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class="title-container"><h1 class="ds2-5-heading-sans-serif-sm">Amelie Da Costa</h1><div class="affiliations-container fake-truncate js-profile-affiliations"><div><a class="u-tcGrayDarker" href="https://u-paris1.academia.edu/">Maison René Ginouvès (CNRS-Université Paris I-Université Paris Ouest Nanterre La Défense-Ministère de la Culture)</a>, <a class="u-tcGrayDarker" href="https://u-paris1.academia.edu/Departments/UMR_7041_ArScAn_AnTET/Documents">UMR 7041- ArScAn - AnTET</a>, <span class="u-tcGrayDarker">Service départemental d'archéologie du Val-d'Oise</span></div></div></div></div><div class="sidebar-cta-container"><button class="ds2-5-button hidden profile-cta-button grow js-profile-follow-button" data-broccoli-component="user-info.follow-button" data-click-track="profile-user-info-follow-button" data-follow-user-fname="Amelie" data-follow-user-id="2646636" data-follow-user-source="profile_button" data-has-google="false"><span class="material-symbols-outlined" style="font-size: 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class="profile--tab_content_container js-tab-pane tab-pane active" id="all"><div class="profile--tab_heading_container js-section-heading" data-section="Papers" id="Papers"><h3 class="profile--tab_heading_container">Papers by Amelie Da Costa</h3></div><div class="js-work-strip profile--work_container" data-work-id="42857305"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/42857305/New_insights_into_a_late_Pleistocene_human_occupation_in_America_The_Vale_da_Pedra_Furada_complete_chronological_study"><img alt="Research paper thumbnail of New insights into a late-Pleistocene human occupation in America: The Vale da Pedra Furada complete chronological study" class="work-thumbnail" src="https://attachments.academia-assets.com/63095255/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/42857305/New_insights_into_a_late_Pleistocene_human_occupation_in_America_The_Vale_da_Pedra_Furada_complete_chronological_study">New insights into a late-Pleistocene human occupation in America: The Vale da Pedra Furada complete chronological study</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ericBoeda">eric Boeda</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-bordeaux3.academia.edu/ChristelleLahaye">Christelle Lahaye</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://sbsuny.academia.edu/MarineFrouin">Marine Frouin</a></span></div><div class="wp-workCard_item"><span>Quaternary geochronology</span><span>, 2015</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Within the framework of the studies focusing on the Pleistocene peopling of the Americas, our Fre...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Within the framework of the studies focusing on the Pleistocene peopling of the Americas, our French-Brazilian team has undertaken a pluridisciplinary research on different archaeological sites, inside and in the neighborhood of the Serra da Capivara National Park, in Brazilian Nordeste. The present study regards an archaeological site, Vale da Pedra Furada, situated in the Piauí state in Brazil. The results of technological and functional studies suggest the existence of different successive human occupations during the Pleistocene in this region. Moreover, the geological and geomorphological studies shed new light on our understanding of sedimentary processes and confirm that the levels were not subject to any significant post-depositional processes. This is also confirmed by macro-and micro-analysis of quartz artefact surfaces. The chronological study has recently been completed employing both radiocarbon and lumi-nescence techniques; radiocarbon dates were obtained on charcoal, multi-grain and single-grain OSL ages on sedimentary quartz grains. The results obtained with the different methods are consistent with each other: the most recent archaeological level is dated to around 8 ka and the oldest to 24 ka, indicating the open-air site of Vale da Pedra Furada to be a succession of human occupations beginning from OIS 2. These results are discussed in the context of some archaeological sites studied in the Serra da Capivara National Park of the last few decades.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="463c2e4d3544d2c5781069b2172277de" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":63095255,"asset_id":42857305,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/63095255/download_file?st=MTczMjU4NzU5NCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="42857305"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="42857305"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 42857305; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=42857305]").text(description); $(".js-view-count[data-work-id=42857305]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 42857305; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='42857305']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 42857305, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "463c2e4d3544d2c5781069b2172277de" } } $('.js-work-strip[data-work-id=42857305]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":42857305,"title":"New insights into a late-Pleistocene human occupation in America: The Vale da Pedra Furada complete chronological study","translated_title":"","metadata":{"abstract":"Within the framework of the studies focusing on the Pleistocene peopling of the Americas, our French-Brazilian team has undertaken a pluridisciplinary research on different archaeological sites, inside and in the neighborhood of the Serra da Capivara National Park, in Brazilian Nordeste. 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Archeology","url":"https://www.academia.edu/Documents/in/Prehistoric_Archeology"}],"urls":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="34600154"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/34600154/New_Data_on_a_Pleistocene_Archaeological_Sequence_in_South_America_Toca_do_S%C3%ADtio_do_Meio_Piau%C3%AD_Brazil"><img alt="Research paper thumbnail of New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do Meio, Piauí, Brazil" class="work-thumbnail" src="https://attachments.academia-assets.com/54465918/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/34600154/New_Data_on_a_Pleistocene_Archaeological_Sequence_in_South_America_Toca_do_S%C3%ADtio_do_Meio_Piau%C3%AD_Brazil">New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do Meio, Piauí, Brazil</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://ufrj.academia.edu/MarcosPauloRamos">Marcos Paulo Ramos</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ericBoeda">eric Boeda</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://pucgoias.academia.edu/SIBELIAPARECIDAVIANA">SIBELI APARECIDA VIANA</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-bordeaux3.academia.edu/ChristelleLahaye">Christelle Lahaye</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://univasf.academia.edu/JanainaSantos">Janaina Santos</a></span></div><div class="wp-workCard_item"><span>PaleoAmerica</span><span>, 2016</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Sítio do Meio, discovered in the 1990s, showed a sedimentary sequence clearly composed of two set...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Sítio do Meio, discovered in the 1990s, showed a sedimentary sequence clearly composed of two sets of deposits separated by a zone of large rockfall from the massive collapse of the shelter’s overhang. The<br />bottom set, slightly more than 60 cm thick, was trapped between the bedrock (upon which it rested) and the lower part of the roof fall (reaching more than 1 m in the excavation area), and yielded some charcoal without other archaeological material. New excavations, however, have revealed the presence of artifacts, additional charcoal, and an alignment of sandstone blocks providing clear boundaries for the artifact concentration. The typological and technological composition of the artifacts is classic, with tools made by shaping high-quality quartz pebbles and tools made on shaping chips or on chips obtained by bipolar percussion of quartz blocks. Quartzite was also used, but only in the manufacture of larger tools, of certain types. The toolkit is made of several convergent pieces, denticulates, rostres, scrapers, and end<br />scrapers. Radiocarbon dating results indicate a Pleistocene age, corresponding to the end of the midUpper Pleistocene (MIS3). These dates confirm that Sítio do Meio is the seventh Pleistocene stratigraphic<br />sequence known from a 20-km-radius zone, coming from different sedimentary horizons, testifying to a human presence that extends from MIS3 until the middle Holocene, in this region of Piauí. Particularly, we<br />observed that this occupation still has periodic gaps, with phases of occupation occurring in either short or long periods. With the new data, we are able to consider the cultural specificities of each set in the context of climate data to better understand the diversity of occupation within a single territory, forexample behavioral variation in the management of space, adaptive responses to environmental pressures, or potentially both at the same time.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="feccaa688d9c1e60b87d21b4b425e564" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":54465918,"asset_id":34600154,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/54465918/download_file?st=MTczMjU4NzU5NCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="34600154"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="34600154"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 34600154; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=34600154]").text(description); $(".js-view-count[data-work-id=34600154]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 34600154; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='34600154']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 34600154, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "feccaa688d9c1e60b87d21b4b425e564" } } $('.js-work-strip[data-work-id=34600154]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":34600154,"title":"New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do Meio, Piauí, Brazil","translated_title":"","metadata":{"doi":"10.1080/20555563.2016.1237828","issue":"4","volume":"2","abstract":"Sítio do Meio, discovered in the 1990s, showed a sedimentary sequence clearly composed of two sets of deposits separated by a zone of large rockfall from the massive collapse of the shelter’s overhang. The\nbottom set, slightly more than 60 cm thick, was trapped between the bedrock (upon which it rested) and the lower part of the roof fall (reaching more than 1 m in the excavation area), and yielded some charcoal without other archaeological material. New excavations, however, have revealed the presence of artifacts, additional charcoal, and an alignment of sandstone blocks providing clear boundaries for the artifact concentration. The typological and technological composition of the artifacts is classic, with tools made by shaping high-quality quartz pebbles and tools made on shaping chips or on chips obtained by bipolar percussion of quartz blocks. Quartzite was also used, but only in the manufacture of larger tools, of certain types. The toolkit is made of several convergent pieces, denticulates, rostres, scrapers, and end\nscrapers. Radiocarbon dating results indicate a Pleistocene age, corresponding to the end of the midUpper Pleistocene (MIS3). 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="42857327"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/42857327/Another_site_same_old_song_The_Pleistocene_Holocene_archaeological_sequence_of_Toca_da_Janela_da_Barra_do_Antoni%C3%A3o_North_Piau%C3%AD_Brazil"><img alt="Research paper thumbnail of Another site, same old song: The Pleistocene-Holocene archaeological sequence of Toca da Janela da Barra do Antonião-North, Piauí, Brazil" class="work-thumbnail" src="https://attachments.academia-assets.com/63095283/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/42857327/Another_site_same_old_song_The_Pleistocene_Holocene_archaeological_sequence_of_Toca_da_Janela_da_Barra_do_Antoni%C3%A3o_North_Piau%C3%AD_Brazil">Another site, same old song: The Pleistocene-Holocene archaeological sequence of Toca da Janela da Barra do Antonião-North, Piauí, Brazil</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ericBoeda">eric Boeda</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-bordeaux3.academia.edu/ChristelleLahaye">Christelle Lahaye</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a></span></div><div class="wp-workCard_item"><span>Quaternary geochronology</span><span>, 2018</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">new excavations have focused on the northern part of the Toca da Janela da Barra do Antonião (TJB...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">new excavations have focused on the northern part of the Toca da Janela da Barra do Antonião (TJBA-N) rockshelter, which is located on the edge of the Serra da Capivara National Park in Brazil. Ten sediment samples were dated by multigrain quartz OSL and three samples by feldspar IRSL. Multigrain OSL ages on quartz were assessed using the Central Age Model (CAM) and a Bayesian model built with the R BayLum statistics package. Ages are in good stratigraphic agreement and ages from quartz and feldspars, when available, are internally consistent. Furthermore, we produced a Bayesian model (BayLum) based on OSL ages obtained for the six sediment samples of the main stratigraphy that included stratigraphic constraints and a covariance matrix of errors. Two gaps in sedimentation were detected and can be correlated with climatic changes during the MIS 3 and during the MIS 3 to MIS 2 transition. Finally, our results provide a chronological framework for a new important Pleistocene-Holocene sequence in the region.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="256633fc7609415a8c503ad48c101779" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":63095283,"asset_id":42857327,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/63095283/download_file?st=MTczMjU4NzU5NCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="42857327"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="42857327"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 42857327; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=42857327]").text(description); $(".js-view-count[data-work-id=42857327]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 42857327; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='42857327']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 42857327, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "256633fc7609415a8c503ad48c101779" } } $('.js-work-strip[data-work-id=42857327]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":42857327,"title":"Another site, same old song: The Pleistocene-Holocene archaeological sequence of Toca da Janela da Barra do Antonião-North, Piauí, Brazil","translated_title":"","metadata":{"abstract":"new excavations have focused on the northern part of the Toca da Janela da Barra do Antonião (TJBA-N) rockshelter, which is located on the edge of the Serra da Capivara National Park in Brazil. 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src="https://attachments.academia-assets.com/66049722/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/45574079/_0_kyr_cal_BP_stone_artefact_Piau%C4%B1_Brazil24_0_kyr_cal_BP_stone_artefact_from_Vale_da_Pedra_Furada_Piau%C4%B1_Brazil_Techno_functional_analysis">.0 kyr cal BP stone artefact Piauı , Brazil24.0 kyr cal BP stone artefact from Vale da Pedra Furada, Piauı ´, Brazil: Techno-functional analysis</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ericBoeda">eric Boeda</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-bordeaux3.academia.edu/ChristelleLahaye">Christelle Lahaye</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://ufpi.academia.edu/Gr%C3%A9goirevanHavre">Grégoire van Havre</a></span></div><div class="wp-workCard_item"><span>Plos One</span><span>, 2021</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Current archaeological paradigm proposes that the first peopling of the Americas does not exceed ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Current archaeological paradigm proposes that the first peopling of the Americas does not exceed the Last Glacial Maximum period. In this context, the acceptance of the anthropo-genic character of the earliest stone artefacts generally rests on the presence of projectile points considered no more as typocentric but as typognomonic, since it allows, by itself, to certify the human character of the other associated artefacts. In other words, without this presence, nothing is certain. Archaeological research at Piauí (Brazil) attests to a Pleisto-cene human presence between 41 and 14 cal kyr BP, without any record of lithic projectile points. Here, we report the discovery and interpretation of an unusual stone artefact in the Vale da Pedra Furada site, in a context dating back to 24 cal kyr BP. The knapping stigmata and macroscopic use-wear traces reveal a conception centred on the configuration of double bevels and the production in the same specimen of at least two successive artefacts with probably different functions. This piece unambiguously presents an anthropic character and reveals a technical novelty during the Pleistocene occupation of South America.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="f3251b541fdeed83d1d00cb0440238f4" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":66049722,"asset_id":45574079,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/66049722/download_file?st=MTczMjU4NzU5NSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="45574079"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="45574079"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 45574079; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=45574079]").text(description); $(".js-view-count[data-work-id=45574079]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 45574079; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='45574079']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 45574079, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "f3251b541fdeed83d1d00cb0440238f4" } } $('.js-work-strip[data-work-id=45574079]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":45574079,"title":".0 kyr cal BP stone artefact Piauı , Brazil24.0 kyr cal BP stone artefact from Vale da Pedra Furada, Piauı ´, Brazil: Techno-functional analysis","translated_title":"","metadata":{"doi":"10.1371/journal.pone.0247965","abstract":"Current archaeological paradigm proposes that the first peopling of the Americas does not exceed the Last Glacial Maximum period. In this context, the acceptance of the anthropo-genic character of the earliest stone artefacts generally rests on the presence of projectile points considered no more as typocentric but as typognomonic, since it allows, by itself, to certify the human character of the other associated artefacts. In other words, without this presence, nothing is certain. Archaeological research at Piauí (Brazil) attests to a Pleisto-cene human presence between 41 and 14 cal kyr BP, without any record of lithic projectile points. Here, we report the discovery and interpretation of an unusual stone artefact in the Vale da Pedra Furada site, in a context dating back to 24 cal kyr BP. The knapping stigmata and macroscopic use-wear traces reveal a conception centred on the configuration of double bevels and the production in the same specimen of at least two successive artefacts with probably different functions. 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dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="42856974"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/42856974/New_Data_on_a_Pleistocene_Archaeological_Sequence_in_South_America_Toca_do_S%C3%ADtio_do_Meio"><img alt="Research paper thumbnail of New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do Meio" class="work-thumbnail" src="https://attachments.academia-assets.com/63094877/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/42856974/New_Data_on_a_Pleistocene_Archaeological_Sequence_in_South_America_Toca_do_S%C3%ADtio_do_Meio">New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do Meio</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ericBoeda">eric Boeda</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://ufrj.academia.edu/MarcosPauloRamos">Marcos Paulo Ramos</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://u-bordeaux3.academia.edu/ChristelleLahaye">Christelle Lahaye</a></span></div><div class="wp-workCard_item"><span>Paleoamerica</span><span>, 2016</span></div><div class="wp-workCard_item wp-workCard--actions"><span 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Meio","translated_title":"","metadata":{"grobid_abstract":"Sítio do Meio, discovered in the 1990s, showed a sedimentary sequence clearly composed of two sets of deposits separated by a zone of large rockfall from the massive collapse of the shelter's overhang. The bottom set, slightly more than 60 cm thick, was trapped between the bedrock (upon which it rested) and the lower part of the roof fall (reaching more than 1 m in the excavation area), and yielded some charcoal without other archaeological material. New excavations, however, have revealed the presence of artifacts, additional charcoal, and an alignment of sandstone blocks providing clear boundaries for the artifact concentration. The typological and technological composition of the artifacts is classic, with tools made by shaping high-quality quartz pebbles and tools made on shaping chips or on chips obtained by bipolar percussion of quartz blocks. Quartzite was also used, but only in the manufacture of larger tools, of certain types. The toolkit is made of several convergent pieces, denticulates, rostres, scrapers, and end scrapers. Radiocarbon dating results indicate a Pleistocene age, corresponding to the end of the mid-Upper Pleistocene (MIS3). These dates confirm that Sítio do Meio is the seventh Pleistocene stratigraphic sequence known from a 20-km-radius zone, coming from different sedimentary horizons, testifying to a human presence that extends from MIS3 until the middle Holocene, in this region of Piauí. Particularly, we observed that this occupation still has periodic gaps, with phases of occupation occurring in either short or long periods. 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[Debitagem laminar no Sul do Brasil: Habemus nucleos]" class="work-thumbnail" src="https://attachments.academia-assets.com/55519051/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/35649502/Blade_debitage_in_Southern_Brazil_We_have_cores_Debitagem_laminar_no_Sul_do_Brasil_Habemus_nucleos_">Blade debitage in Southern Brazil: We have cores! [Debitagem laminar no Sul do Brasil: Habemus nucleos]</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://mnhn.academia.edu/AntoineLourdeau">Antoine Lourdeau</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://unochapeco.academia.edu/MirianCarbonnera">Mirian Carbonera</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://pucgoias.academia.edu/SIBELIAPARECIDAVIANA">SIBELI APARECIDA VIANA</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/SirleiElaineHoetz">Sirlei Elaine Hoetz</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/SirleiHoeltz">Sirlei Hoeltz</a></span></div><div class="wp-workCard_item"><span>Journal of Lithic Studies</span><span>, 2017</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Blade debitage is a characteristic production pattern of specific periods and regions during Preh...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Blade debitage is a characteristic production pattern of specific periods and regions during Prehistory. In South America, it is well documented in Argentina, in contexts dating back to early Holocene. In Brazil, it was unknown until 2006, when it was found in three archaeological sites (ACH-LP-01, ACH-LP-03, ALP-AA-03) in the Foz do Chapecó area, upper Uruguay River, South Brazil, in layers from early Holocene. It was associated there with a great variety of other production systems: bifacial shaping of projectile points and large tools, unipolar debitage of large flakes, bipolar debitage of tiny flakes. Silicified sandstone, chalcedony and hyaline quartz are the main used raw materials. To this day, only the products of this debitage, the blades, had been discovered. Cores were lacking, which prevented a complete understanding of the flaking process. Due to the resumption of research in the region from 2013, it was possible to find those cores during surveys in the two following archaeological sites: ACH-LP-07 and RS-URG-01, located on both sides of the Uruguay river, near the mouth of the Chapecó river. We describe in this article five of these cores (4 from ACH-LP-07 and 1 from RS-URG-01). Their analyses demonstrate that this blade debitage complies with only one concept. The core volumetric structure that is the result of this concept displays the following features: 1) Cores have two surfaces: a flat back and a convex but relatively flattened flaking surface, so that they have a general “D” shaped transversal section. At one end, a small surface acts as striking platform during the production of the blades; 2) Debitage begins with a initialization phase of the core during which the striking platform is produced by a large removal. According to the natural properties of the initial volume, the back of the core is obtained either during the selection of the blank, and then it is left in his natural state, or by a preparation by one or more large transversal removals. When present, the scars of the initialization phase of the flaking surface indicate the use of a centripetal method. This preparation is made possible by the acute angle of the peripheral ridge formed by the intersection of the back and the flaking surface ; 3) Blades are always produced by a unidirectional parallel method. Production variability is mainly related to the flaking technique: both internal percussion by stone and marginal percussion by organic percussor were used to get the blades. Technical information provided by the cores are complementary and in accordance with those from the previous analyses of the blades from the same area. With these two studies it was possible to reach a relatively exhaustive understanding of this production system in the upper Uruguay River during early Holocene, the only well documented blade debitage in Brazil known until now. Future research will explore the interactions between this production and the other debitage and shaping methods inside this early Holocene technological system. To do this, we will develop a comprehensive study of all lithic artefacts from the archaeological layers in which blade production was identified. In a wider scale, a comparative approach with Argentinian and Uruguayan prehistoric blade productions will allow to better understand the development of the blade phenomenon in the southern cone of South America.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="3018d6aae62d6d1c197819941a839e96" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":55519051,"asset_id":35649502,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/55519051/download_file?st=MTczMjU4NzU5NSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="35649502"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="35649502"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 35649502; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=35649502]").text(description); $(".js-view-count[data-work-id=35649502]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 35649502; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='35649502']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 35649502, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "3018d6aae62d6d1c197819941a839e96" } } $('.js-work-strip[data-work-id=35649502]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":35649502,"title":"Blade debitage in Southern Brazil: We have cores! 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Cores were lacking, which prevented a complete understanding of the flaking process. Due to the resumption of research in the region from 2013, it was possible to find those cores during surveys in the two following archaeological sites: ACH-LP-07 and RS-URG-01, located on both sides of the Uruguay river, near the mouth of the Chapecó river. We describe in this article five of these cores (4 from ACH-LP-07 and 1 from RS-URG-01). Their analyses demonstrate that this blade debitage complies with only one concept. The core volumetric structure that is the result of this concept displays the following features: 1) Cores have two surfaces: a flat back and a convex but relatively flattened flaking surface, so that they have a general “D” shaped transversal section. At one end, a small surface acts as striking platform during the production of the blades; 2) Debitage begins with a initialization phase of the core during which the striking platform is produced by a large removal. According to the natural properties of the initial volume, the back of the core is obtained either during the selection of the blank, and then it is left in his natural state, or by a preparation by one or more large transversal removals. When present, the scars of the initialization phase of the flaking surface indicate the use of a centripetal method. This preparation is made possible by the acute angle of the peripheral ridge formed by the intersection of the back and the flaking surface ; 3) Blades are always produced by a unidirectional parallel method. Production variability is mainly related to the flaking technique: both internal percussion by stone and marginal percussion by organic percussor were used to get the blades. Technical information provided by the cores are complementary and in accordance with those from the previous analyses of the blades from the same area. With these two studies it was possible to reach a relatively exhaustive understanding of this production system in the upper Uruguay River during early Holocene, the only well documented blade debitage in Brazil known until now. Future research will explore the interactions between this production and the other debitage and shaping methods inside this early Holocene technological system. To do this, we will develop a comprehensive study of all lithic artefacts from the archaeological layers in which blade production was identified. In a wider scale, a comparative approach with Argentinian and Uruguayan prehistoric blade productions will allow to better understand the development of the blade phenomenon in the southern cone of South America.","publication_date":{"day":null,"month":null,"year":2017,"errors":{}},"publication_name":"Journal of Lithic Studies"},"translated_abstract":"Blade debitage is a characteristic production pattern of specific periods and regions during Prehistory. 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Due to the resumption of research in the region from 2013, it was possible to find those cores during surveys in the two following archaeological sites: ACH-LP-07 and RS-URG-01, located on both sides of the Uruguay river, near the mouth of the Chapecó river. We describe in this article five of these cores (4 from ACH-LP-07 and 1 from RS-URG-01). Their analyses demonstrate that this blade debitage complies with only one concept. The core volumetric structure that is the result of this concept displays the following features: 1) Cores have two surfaces: a flat back and a convex but relatively flattened flaking surface, so that they have a general “D” shaped transversal section. At one end, a small surface acts as striking platform during the production of the blades; 2) Debitage begins with a initialization phase of the core during which the striking platform is produced by a large removal. According to the natural properties of the initial volume, the back of the core is obtained either during the selection of the blank, and then it is left in his natural state, or by a preparation by one or more large transversal removals. When present, the scars of the initialization phase of the flaking surface indicate the use of a centripetal method. This preparation is made possible by the acute angle of the peripheral ridge formed by the intersection of the back and the flaking surface ; 3) Blades are always produced by a unidirectional parallel method. Production variability is mainly related to the flaking technique: both internal percussion by stone and marginal percussion by organic percussor were used to get the blades. Technical information provided by the cores are complementary and in accordance with those from the previous analyses of the blades from the same area. With these two studies it was possible to reach a relatively exhaustive understanding of this production system in the upper Uruguay River during early Holocene, the only well documented blade debitage in Brazil known until now. Future research will explore the interactions between this production and the other debitage and shaping methods inside this early Holocene technological system. To do this, we will develop a comprehensive study of all lithic artefacts from the archaeological layers in which blade production was identified. 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="35693272"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/35693272/Resumo_Tese_Ruptura_t%C3%A9cnica_e_din%C3%A2micas_de_ocupa%C3%A7%C3%A3o_durante_o_Holoceno_m%C3%A9dio_no_Brasil"><img alt="Research paper thumbnail of Resumo Tese : Ruptura técnica e dinâmicas de ocupação durante o Holoceno médio no Brasil" class="work-thumbnail" src="https://attachments.academia-assets.com/55564426/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/35693272/Resumo_Tese_Ruptura_t%C3%A9cnica_e_din%C3%A2micas_de_ocupa%C3%A7%C3%A3o_durante_o_Holoceno_m%C3%A9dio_no_Brasil">Resumo Tese : Ruptura técnica e dinâmicas de ocupação durante o Holoceno médio no Brasil</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">As indústrias líticas do Holoceno médio, entre 8.000 e 4.000 AP no Centro e Nordeste do Brasil, s...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">As indústrias líticas do Holoceno médio, entre 8.000 e 4.000 AP no Centro e Nordeste do Brasil, são geralmente descritas mais em função de critérios ausentes do que pre-sentes: ausência de instrumentos classificados pelas primeiras pesquisas como " lesmas " (peça façonada unifacialmente), ausência de cerâmica. As características técnicas espe-cificas deste período são difíceis de serem identificadas devido a diversidade dos artefa-tos. Descritas como " pouco elaboradas " ou " simples " , essas indústrias interrogam por suas propriedades extremamente diferentes das do período anterior. Hipóteses ligadas a fatores externos foram formuladas para explicar tais mudanças da cultura material: mudança climática provocando uma importante modificação ambiental, substituição populacional consecutiva a uma leve de povoamento. No entanto, é difícil avaliar o processo dessa ruptura sem mais análises diretas de conjuntos líticos deste período. Esse trabalho propõe-se de caracterizar os sistemas técnicos do Holoceno médio e também de abordar o fenômeno de ruptura técnica com o tecnocomplexo Itaparica do Holoce-no antigo. Dois conjuntos líticos do Holoceno médio foram analisados segundo uma abordagem tecnofuncional: a Toca Nova do Inharé, na Serra da Capivara (Piauí) e o sítio Cajueiro (BA-RC-19) no nordeste do Planalto Central (Bahia). Os resultados</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="5d8b920e90e7b16f85c5a4fe926f5695" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":55564426,"asset_id":35693272,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/55564426/download_file?st=MTczMjU4NzU5NSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="35693272"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="35693272"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 35693272; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=35693272]").text(description); $(".js-view-count[data-work-id=35693272]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 35693272; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='35693272']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 35693272, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "5d8b920e90e7b16f85c5a4fe926f5695" } } $('.js-work-strip[data-work-id=35693272]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":35693272,"title":"Resumo Tese : Ruptura técnica e dinâmicas de ocupação durante o Holoceno médio no Brasil","translated_title":"","metadata":{"abstract":"As indústrias líticas do Holoceno médio, entre 8.000 e 4.000 AP no Centro e Nordeste do Brasil, são geralmente descritas mais em função de critérios ausentes do que pre-sentes: ausência de instrumentos classificados pelas primeiras pesquisas como \" lesmas \" (peça façonada unifacialmente), ausência de cerâmica. As características técnicas espe-cificas deste período são difíceis de serem identificadas devido a diversidade dos artefa-tos. Descritas como \" pouco elaboradas \" ou \" simples \" , essas indústrias interrogam por suas propriedades extremamente diferentes das do período anterior. Hipóteses ligadas a fatores externos foram formuladas para explicar tais mudanças da cultura material: mudança climática provocando uma importante modificação ambiental, substituição populacional consecutiva a uma leve de povoamento. No entanto, é difícil avaliar o processo dessa ruptura sem mais análises diretas de conjuntos líticos deste período. Esse trabalho propõe-se de caracterizar os sistemas técnicos do Holoceno médio e também de abordar o fenômeno de ruptura técnica com o tecnocomplexo Itaparica do Holoce-no antigo. 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="30487382"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/30487382/Pr%C3%A9_hist%C3%B3ria_na_foz_do_rio_Chapec%C3%B3"><img alt="Research paper thumbnail of Pré-história na foz do rio Chapecó" class="work-thumbnail" src="https://attachments.academia-assets.com/50926016/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/30487382/Pr%C3%A9_hist%C3%B3ria_na_foz_do_rio_Chapec%C3%B3">Pré-história na foz do rio Chapecó</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://mnhn.academia.edu/AntoineLourdeau">Antoine Lourdeau</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://unochapeco.academia.edu/MirianCarbonnera">Mirian Carbonera</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/MARCOSCESARPEREIRASANTOS">MARCOS CESAR PEREIRA SANTOS</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://ufs-br.academia.edu/L%C3%ADviaLucas">Lívia Lucas</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://univ-paris1.academia.edu/C%C3%A9cileFoucher">Cécile Foucher</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://ufsc.academia.edu/JulianaBetarello">Juliana Betarello</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/FrancieliKuczkovski">Francieli Kuczkovski</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://unesc.academia.edu/JulianoBitencourtCampos">Juliano Bitencourt Campos</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://pucgoias.academia.edu/SIBELIAPARECIDAVIANA">SIBELI APARECIDA VIANA</a></span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Resumo: O alto rio Uruguai é uma área importante para compreender o povoamento pré-histórico da b...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Resumo: O alto rio Uruguai é uma área importante para compreender o povoamento pré-histórico da bacia do rio da Prata. Nela foram localizados sítios de caçadores-coletores, referentes ao passado mais antigo da região, e de grupos ceramistas relacionados às unidades arqueológicas Tupiguarani e Taquara-Itararé. Este artigo apresenta os primeiros resultados das pesquisas realizadas no sítio ACH-LP-07 situado próximo à foz do rio Chapecó, à margem direita do rio Uruguai, no oeste de Santa Catarina. O rio apresentou várias ocupações de populações de caçadores-coletores no início do Holoceno, caracterizadas por uma variabilidade nas produções de pedra lascada, onde se destaca a produção de lâminas por uma debitagem específica. No último milênio, o local também foi povoado por grupos ceramistas Guarani. O sítio tem trazido diferentes contribuições a respeito dessas antigas sociedades, especialmente as modalidades de ocupação e de sucessão dos grupos humanos no alto rio Uruguai. <br /><br />Résumé: La haute vallée du fleuve Uruguay est une zone importante pour comprendre le peuplement préhistorique du bassin du Rio de la Plata. On y a découvert les sites les plus anciens de la région, associés à des occupations de chasseurs-cueilleurs et des groupes céramistes des traditions Tupiguarani et Taquara-Itararé. Cet article a pour objectif de présenter les premiers résultats des recherches faites sur le site ACH-LP-07 situé proche de l' embouchure du fleuve Chapecó, sur la rive droite du fleuve Uruguay, dans l' ouest de l' état de Santa Catarina. Celui-ci présente plusieurs occupations de chasseurs-cueilleurs du début de l'Holocène, caractérisées par une variabilité des productions lithiques, en particulier l' obtention de lames par un débitage spécifique. Dans le dernier millénaire l' endroit a également été peuplé par des groupes céramistes de la tradition Guarani. Le site a apporté différentes contributions sur ces sociétés anciennes, spécialement sur les modalités d' occupation et de succession des groupes humains dans la haute vallée du fleuve Uruguay.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="0b7be2966a47b76033a42a8b3aa08e0b" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":50926016,"asset_id":30487382,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/50926016/download_file?st=MTczMjU4NzU5NSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="30487382"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="30487382"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 30487382; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=30487382]").text(description); $(".js-view-count[data-work-id=30487382]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 30487382; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='30487382']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 30487382, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "0b7be2966a47b76033a42a8b3aa08e0b" } } $('.js-work-strip[data-work-id=30487382]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":30487382,"title":"Pré-história na foz do rio Chapecó","translated_title":"","metadata":{"abstract":"Resumo: O alto rio Uruguai é uma área importante para compreender o povoamento pré-histórico da bacia do rio da Prata. Nela foram localizados sítios de caçadores-coletores, referentes ao passado mais antigo da região, e de grupos ceramistas relacionados às unidades arqueológicas Tupiguarani e Taquara-Itararé. Este artigo apresenta os primeiros resultados das pesquisas realizadas no sítio ACH-LP-07 situado próximo à foz do rio Chapecó, à margem direita do rio Uruguai, no oeste de Santa Catarina. O rio apresentou várias ocupações de populações de caçadores-coletores no início do Holoceno, caracterizadas por uma variabilidade nas produções de pedra lascada, onde se destaca a produção de lâminas por uma debitagem específica. No último milênio, o local também foi povoado por grupos ceramistas Guarani. O sítio tem trazido diferentes contribuições a respeito dessas antigas sociedades, especialmente as modalidades de ocupação e de sucessão dos grupos humanos no alto rio Uruguai. \n\nRésumé: La haute vallée du fleuve Uruguay est une zone importante pour comprendre le peuplement préhistorique du bassin du Rio de la Plata. On y a découvert les sites les plus anciens de la région, associés à des occupations de chasseurs-cueilleurs et des groupes céramistes des traditions Tupiguarani et Taquara-Itararé. Cet article a pour objectif de présenter les premiers résultats des recherches faites sur le site ACH-LP-07 situé proche de l' embouchure du fleuve Chapecó, sur la rive droite du fleuve Uruguay, dans l' ouest de l' état de Santa Catarina. Celui-ci présente plusieurs occupations de chasseurs-cueilleurs du début de l'Holocène, caractérisées par une variabilité des productions lithiques, en particulier l' obtention de lames par un débitage spécifique. Dans le dernier millénaire l' endroit a également été peuplé par des groupes céramistes de la tradition Guarani. Le site a apporté différentes contributions sur ces sociétés anciennes, spécialement sur les modalités d' occupation et de succession des groupes humains dans la haute vallée du fleuve Uruguay."},"translated_abstract":"Resumo: O alto rio Uruguai é uma área importante para compreender o povoamento pré-histórico da bacia do rio da Prata. Nela foram localizados sítios de caçadores-coletores, referentes ao passado mais antigo da região, e de grupos ceramistas relacionados às unidades arqueológicas Tupiguarani e Taquara-Itararé. Este artigo apresenta os primeiros resultados das pesquisas realizadas no sítio ACH-LP-07 situado próximo à foz do rio Chapecó, à margem direita do rio Uruguai, no oeste de Santa Catarina. O rio apresentou várias ocupações de populações de caçadores-coletores no início do Holoceno, caracterizadas por uma variabilidade nas produções de pedra lascada, onde se destaca a produção de lâminas por uma debitagem específica. No último milênio, o local também foi povoado por grupos ceramistas Guarani. O sítio tem trazido diferentes contribuições a respeito dessas antigas sociedades, especialmente as modalidades de ocupação e de sucessão dos grupos humanos no alto rio Uruguai. \n\nRésumé: La haute vallée du fleuve Uruguay est une zone importante pour comprendre le peuplement préhistorique du bassin du Rio de la Plata. On y a découvert les sites les plus anciens de la région, associés à des occupations de chasseurs-cueilleurs et des groupes céramistes des traditions Tupiguarani et Taquara-Itararé. 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The present study regards an archaeological site, Vale da Pedra Furada, situated in the Piauí state in Brazil. The results of technological and functional studies suggest the existence of different successive human occupations during the Pleistocene in this region. Moreover, the geological and geomorphological studies shed new light on our understanding of sedimentary processes and confirm that the levels were not subject to any significant post-depositional processes. This is also confirmed by macro-and micro-analysis of quartz artefact surfaces. The chronological study has recently been completed employing both radiocarbon and luminescence techniques; radiocarbon dates were obtained on charcoal, multi-grain and single-grain OSL ages on sedimentary quartz grains. The results obtained with the different methods are consistent with each other: the most recent archaeological level is dated to around 8 ka and the oldest to 24 ka, indicating the open-air site of Vale da Pedra Furada to be a succession of human occupations beginning from OIS 2. 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href="https://www.academia.edu/29467040/New_Data_on_a_Pleistocene_Archaeological_Sequence_in_South_America_Toca_do_S%C3%ADtio_do_Meio_Piau%C3%AD_Brazil">New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do Meio, Piauí, Brazil</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://mnhn.academia.edu/AntoineLourdeau">Antoine Lourdeau</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ericBoeda">eric Boeda</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://univ-paris1.academia.edu/RoxaneRocca">Roxane Rocca</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://univasf.academia.edu/JanainaSantos">Janaina Santos</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://ufs-br.academia.edu/L%C3%ADviaLucas">Lívia Lucas</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://usp-br.academia.edu/XimenaSuarezVillagran">Ximena Suarez Villagran</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://pucgoias.academia.edu/SIBELIAPARECIDAVIANA">SIBELI APARECIDA VIANA</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://ufpi.academia.edu/AnnaCarolinaFerreiraBorges">Anna Carolina Ferreira Borges</a></span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Eric Boëda, Roxane Rocca, Amélie Da Costa, Michel Fontugne, Christine Hatté, Ignacio Clemente-Con...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Eric Boëda, Roxane Rocca, Amélie Da Costa, Michel Fontugne, Christine<br />Hatté, Ignacio Clemente-Conte, Janaina C. Santos, Lívia Lucas, Gisèle Felice, Antoine Lourdeau,<br />Ximena Villagran, Maria Gluchy, Marcos Paulo Ramos, Sibeli Viana, Christelle Lahaye, Niède<br />Guidon, Christophe Griggo, Mario Pino, Anne-Marie Pessis, Carolina Borges & Bruno Gato<br />(2016) New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do<br />Meio, Piauí, Brazil, PaleoAmerica, 2:4, 286-302, DOI: 10.1080/20555563.2016.1237828</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="29467040"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="29467040"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 29467040; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=29467040]").text(description); $(".js-view-count[data-work-id=29467040]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 29467040; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='29467040']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 29467040, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=29467040]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":29467040,"title":"New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do Meio, Piauí, Brazil","translated_title":"","metadata":{"abstract":"Eric Boëda, Roxane Rocca, Amélie Da Costa, Michel Fontugne, Christine\nHatté, Ignacio Clemente-Conte, Janaina C. Santos, Lívia Lucas, Gisèle Felice, Antoine Lourdeau,\nXimena Villagran, Maria Gluchy, Marcos Paulo Ramos, Sibeli Viana, Christelle Lahaye, Niède\nGuidon, Christophe Griggo, Mario Pino, Anne-Marie Pessis, Carolina Borges \u0026 Bruno Gato\n(2016) New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do\nMeio, Piauí, Brazil, PaleoAmerica, 2:4, 286-302, DOI: 10.1080/20555563.2016.1237828"},"translated_abstract":"Eric Boëda, Roxane Rocca, Amélie Da Costa, Michel Fontugne, Christine\nHatté, Ignacio Clemente-Conte, Janaina C. Santos, Lívia Lucas, Gisèle Felice, Antoine Lourdeau,\nXimena Villagran, Maria Gluchy, Marcos Paulo Ramos, Sibeli Viana, Christelle Lahaye, Niède\nGuidon, Christophe Griggo, Mario Pino, Anne-Marie Pessis, Carolina Borges \u0026 Bruno Gato\n(2016) New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do\nMeio, Piauí, Brazil, PaleoAmerica, 2:4, 286-302, DOI: 10.1080/20555563.2016.1237828","internal_url":"https://www.academia.edu/29467040/New_Data_on_a_Pleistocene_Archaeological_Sequence_in_South_America_Toca_do_S%C3%ADtio_do_Meio_Piau%C3%AD_Brazil","translated_internal_url":"","created_at":"2016-10-27T05:50:29.736-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":47470523,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[{"id":25483233,"work_id":29467040,"tagging_user_id":47470523,"tagged_user_id":27974089,"co_author_invite_id":null,"email":"b***c@gmail.com","display_order":0,"name":"eric 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href="https://www.academia.edu/35693200/Rupture_technique_et_dynamiques_doccupation_au_cours_de_lHoloc%C3%A8ne_moyen_au_Br%C3%A9sil"><img alt="Research paper thumbnail of Rupture technique et dynamiques d'occupation au cours de l'Holocène moyen au Brésil" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/35693200/Rupture_technique_et_dynamiques_doccupation_au_cours_de_lHoloc%C3%A8ne_moyen_au_Br%C3%A9sil">Rupture technique et dynamiques d'occupation au cours de l'Holocène moyen au Brésil</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Les industries lithiques de l’Holocène moyen, entre 8.000 et 4.000 BP dans le centre et le nord-e...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Les industries lithiques de l’Holocène moyen, entre 8.000 et 4.000 BP dans le centre et le nord-est du Brésil ont souvent été décrites non pas en fonction des caractères présents mais de ceux absents : absence de lesma (pièce façonnée unifacialement), absence de céramique. Les traits techniques spécifiques à la période sont difficiles à cerner à cause de la diversité des artefacts. Décrites comme peu élaborées ou simples, ces industries interrogent pourtant par leurs caractères extrêmement différents de ceux de la période antérieure.<br />Nous proposons dans ce travail de caractériser les systèmes techniques de l’Holocène moyen et par ce biais aborder le phénomène de rupture technique avec le technocomplexe Itaparica.<br />Deux assemblages lithiques de l’Holocène moyen ont été étudiés selon une approche techno-fonctionnelle : la Toca Nova do Inharé dans la Serra da Capivara (Piauí) et le site Cajueiro (BA-RC-19) au nord-est du plateau central (Bahia).</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="35693200"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="35693200"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 35693200; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=35693200]").text(description); $(".js-view-count[data-work-id=35693200]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 35693200; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='35693200']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 35693200, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=35693200]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":35693200,"title":"Rupture technique et dynamiques d'occupation au cours de l'Holocène moyen au Brésil","translated_title":"","metadata":{"abstract":"Les industries lithiques de l’Holocène moyen, entre 8.000 et 4.000 BP dans le centre et le nord-est du Brésil ont souvent été décrites non pas en fonction des caractères présents mais de ceux absents : absence de lesma (pièce façonnée unifacialement), absence de céramique. 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Université de Paris X Nanterre.<br />Étude technologique et techno-fonctionnelle des éclats Levallois des sites de Champvoisy (Marne) et de Tréon (Eure-et-Loir)</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="35693142"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="35693142"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 35693142; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=35693142]").text(description); $(".js-view-count[data-work-id=35693142]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 35693142; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='35693142']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 35693142, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=35693142]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":35693142,"title":"Production et utilisation des grands éclats Levallois au Paléolithique moyen","translated_title":"","metadata":{"abstract":"Mémoire de Master 2 réalisé sous la direction de Sylvain Soriano et Stéphanie Bonilauri. 2011. 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The present study regards an archaeological site, Vale da Pedra Furada, situated in the Piauí state in Brazil. The results of technological and functional studies suggest the existence of different successive human occupations during the Pleistocene in this region. Moreover, the geological and geomorphological studies shed new light on our understanding of sedimentary processes and confirm that the levels were not subject to any significant post-depositional processes. This is also confirmed by macro-and micro-analysis of quartz artefact surfaces. The chronological study has recently been completed employing both radiocarbon and lumi-nescence techniques; radiocarbon dates were obtained on charcoal, multi-grain and single-grain OSL ages on sedimentary quartz grains. The results obtained with the different methods are consistent with each other: the most recent archaeological level is dated to around 8 ka and the oldest to 24 ka, indicating the open-air site of Vale da Pedra Furada to be a succession of human occupations beginning from OIS 2. These results are discussed in the context of some archaeological sites studied in the Serra da Capivara National Park of the last few decades.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="463c2e4d3544d2c5781069b2172277de" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":63095255,"asset_id":42857305,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/63095255/download_file?st=MTczMjU4NzU5NSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="42857305"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="42857305"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 42857305; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=42857305]").text(description); $(".js-view-count[data-work-id=42857305]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 42857305; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='42857305']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 42857305, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "463c2e4d3544d2c5781069b2172277de" } } $('.js-work-strip[data-work-id=42857305]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":42857305,"title":"New insights into a late-Pleistocene human occupation in America: The Vale da Pedra Furada complete chronological study","translated_title":"","metadata":{"abstract":"Within the framework of the studies focusing on the Pleistocene peopling of the Americas, our French-Brazilian team has undertaken a pluridisciplinary research on different archaeological sites, inside and in the neighborhood of the Serra da Capivara National Park, in Brazilian Nordeste. 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text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/34600154/New_Data_on_a_Pleistocene_Archaeological_Sequence_in_South_America_Toca_do_S%C3%ADtio_do_Meio_Piau%C3%AD_Brazil">New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do Meio, Piauí, Brazil</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://ufrj.academia.edu/MarcosPauloRamos">Marcos Paulo Ramos</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ericBoeda">eric Boeda</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://pucgoias.academia.edu/SIBELIAPARECIDAVIANA">SIBELI APARECIDA VIANA</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-bordeaux3.academia.edu/ChristelleLahaye">Christelle Lahaye</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://univasf.academia.edu/JanainaSantos">Janaina Santos</a></span></div><div class="wp-workCard_item"><span>PaleoAmerica</span><span>, 2016</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Sítio do Meio, discovered in the 1990s, showed a sedimentary sequence clearly composed of two set...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Sítio do Meio, discovered in the 1990s, showed a sedimentary sequence clearly composed of two sets of deposits separated by a zone of large rockfall from the massive collapse of the shelter’s overhang. The<br />bottom set, slightly more than 60 cm thick, was trapped between the bedrock (upon which it rested) and the lower part of the roof fall (reaching more than 1 m in the excavation area), and yielded some charcoal without other archaeological material. New excavations, however, have revealed the presence of artifacts, additional charcoal, and an alignment of sandstone blocks providing clear boundaries for the artifact concentration. The typological and technological composition of the artifacts is classic, with tools made by shaping high-quality quartz pebbles and tools made on shaping chips or on chips obtained by bipolar percussion of quartz blocks. Quartzite was also used, but only in the manufacture of larger tools, of certain types. The toolkit is made of several convergent pieces, denticulates, rostres, scrapers, and end<br />scrapers. Radiocarbon dating results indicate a Pleistocene age, corresponding to the end of the midUpper Pleistocene (MIS3). These dates confirm that Sítio do Meio is the seventh Pleistocene stratigraphic<br />sequence known from a 20-km-radius zone, coming from different sedimentary horizons, testifying to a human presence that extends from MIS3 until the middle Holocene, in this region of Piauí. Particularly, we<br />observed that this occupation still has periodic gaps, with phases of occupation occurring in either short or long periods. With the new data, we are able to consider the cultural specificities of each set in the context of climate data to better understand the diversity of occupation within a single territory, forexample behavioral variation in the management of space, adaptive responses to environmental pressures, or potentially both at the same time.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="feccaa688d9c1e60b87d21b4b425e564" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":54465918,"asset_id":34600154,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/54465918/download_file?st=MTczMjU4NzU5NSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="34600154"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="34600154"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 34600154; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=34600154]").text(description); $(".js-view-count[data-work-id=34600154]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 34600154; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='34600154']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 34600154, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "feccaa688d9c1e60b87d21b4b425e564" } } $('.js-work-strip[data-work-id=34600154]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":34600154,"title":"New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do Meio, Piauí, Brazil","translated_title":"","metadata":{"doi":"10.1080/20555563.2016.1237828","issue":"4","volume":"2","abstract":"Sítio do Meio, discovered in the 1990s, showed a sedimentary sequence clearly composed of two sets of deposits separated by a zone of large rockfall from the massive collapse of the shelter’s overhang. The\nbottom set, slightly more than 60 cm thick, was trapped between the bedrock (upon which it rested) and the lower part of the roof fall (reaching more than 1 m in the excavation area), and yielded some charcoal without other archaeological material. New excavations, however, have revealed the presence of artifacts, additional charcoal, and an alignment of sandstone blocks providing clear boundaries for the artifact concentration. The typological and technological composition of the artifacts is classic, with tools made by shaping high-quality quartz pebbles and tools made on shaping chips or on chips obtained by bipolar percussion of quartz blocks. Quartzite was also used, but only in the manufacture of larger tools, of certain types. The toolkit is made of several convergent pieces, denticulates, rostres, scrapers, and end\nscrapers. Radiocarbon dating results indicate a Pleistocene age, corresponding to the end of the midUpper Pleistocene (MIS3). These dates confirm that Sítio do Meio is the seventh Pleistocene stratigraphic\nsequence known from a 20-km-radius zone, coming from different sedimentary horizons, testifying to a human presence that extends from MIS3 until the middle Holocene, in this region of Piauí. Particularly, we\nobserved that this occupation still has periodic gaps, with phases of occupation occurring in either short or long periods. With the new data, we are able to consider the cultural specificities of each set in the context of climate data to better understand the diversity of occupation within a single territory, forexample behavioral variation in the management of space, adaptive responses to environmental pressures, or potentially both at the same time.","publication_date":{"day":null,"month":null,"year":2016,"errors":{}},"publication_name":"PaleoAmerica"},"translated_abstract":"Sítio do Meio, discovered in the 1990s, showed a sedimentary sequence clearly composed of two sets of deposits separated by a zone of large rockfall from the massive collapse of the shelter’s overhang. The\nbottom set, slightly more than 60 cm thick, was trapped between the bedrock (upon which it rested) and the lower part of the roof fall (reaching more than 1 m in the excavation area), and yielded some charcoal without other archaeological material. New excavations, however, have revealed the presence of artifacts, additional charcoal, and an alignment of sandstone blocks providing clear boundaries for the artifact concentration. The typological and technological composition of the artifacts is classic, with tools made by shaping high-quality quartz pebbles and tools made on shaping chips or on chips obtained by bipolar percussion of quartz blocks. Quartzite was also used, but only in the manufacture of larger tools, of certain types. The toolkit is made of several convergent pieces, denticulates, rostres, scrapers, and end\nscrapers. Radiocarbon dating results indicate a Pleistocene age, corresponding to the end of the midUpper Pleistocene (MIS3). These dates confirm that Sítio do Meio is the seventh Pleistocene stratigraphic\nsequence known from a 20-km-radius zone, coming from different sedimentary horizons, testifying to a human presence that extends from MIS3 until the middle Holocene, in this region of Piauí. 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="42857327"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/42857327/Another_site_same_old_song_The_Pleistocene_Holocene_archaeological_sequence_of_Toca_da_Janela_da_Barra_do_Antoni%C3%A3o_North_Piau%C3%AD_Brazil"><img alt="Research paper thumbnail of Another site, same old song: The Pleistocene-Holocene archaeological sequence of Toca da Janela da Barra do Antonião-North, Piauí, Brazil" class="work-thumbnail" src="https://attachments.academia-assets.com/63095283/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/42857327/Another_site_same_old_song_The_Pleistocene_Holocene_archaeological_sequence_of_Toca_da_Janela_da_Barra_do_Antoni%C3%A3o_North_Piau%C3%AD_Brazil">Another site, same old song: The Pleistocene-Holocene archaeological sequence of Toca da Janela da Barra do Antonião-North, Piauí, Brazil</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ericBoeda">eric Boeda</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-bordeaux3.academia.edu/ChristelleLahaye">Christelle Lahaye</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a></span></div><div class="wp-workCard_item"><span>Quaternary geochronology</span><span>, 2018</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">new excavations have focused on the northern part of the Toca da Janela da Barra do Antonião (TJB...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">new excavations have focused on the northern part of the Toca da Janela da Barra do Antonião (TJBA-N) rockshelter, which is located on the edge of the Serra da Capivara National Park in Brazil. Ten sediment samples were dated by multigrain quartz OSL and three samples by feldspar IRSL. Multigrain OSL ages on quartz were assessed using the Central Age Model (CAM) and a Bayesian model built with the R BayLum statistics package. Ages are in good stratigraphic agreement and ages from quartz and feldspars, when available, are internally consistent. Furthermore, we produced a Bayesian model (BayLum) based on OSL ages obtained for the six sediment samples of the main stratigraphy that included stratigraphic constraints and a covariance matrix of errors. Two gaps in sedimentation were detected and can be correlated with climatic changes during the MIS 3 and during the MIS 3 to MIS 2 transition. Finally, our results provide a chronological framework for a new important Pleistocene-Holocene sequence in the region.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="256633fc7609415a8c503ad48c101779" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":63095283,"asset_id":42857327,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/63095283/download_file?st=MTczMjU4NzU5NSw4LjIyMi4yMDguMTQ2&st=MTczMjU4NzU5NCw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="42857327"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="42857327"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 42857327; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=42857327]").text(description); $(".js-view-count[data-work-id=42857327]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 42857327; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='42857327']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 42857327, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "256633fc7609415a8c503ad48c101779" } } $('.js-work-strip[data-work-id=42857327]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":42857327,"title":"Another site, same old song: The Pleistocene-Holocene archaeological sequence of Toca da Janela da Barra do Antonião-North, Piauí, Brazil","translated_title":"","metadata":{"abstract":"new excavations have focused on the northern part of the Toca da Janela da Barra do Antonião (TJBA-N) rockshelter, which is located on the edge of the Serra da Capivara National Park in Brazil. 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src="https://attachments.academia-assets.com/66049722/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/45574079/_0_kyr_cal_BP_stone_artefact_Piau%C4%B1_Brazil24_0_kyr_cal_BP_stone_artefact_from_Vale_da_Pedra_Furada_Piau%C4%B1_Brazil_Techno_functional_analysis">.0 kyr cal BP stone artefact Piauı , Brazil24.0 kyr cal BP stone artefact from Vale da Pedra Furada, Piauı ´, Brazil: Techno-functional analysis</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ericBoeda">eric Boeda</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-bordeaux3.academia.edu/ChristelleLahaye">Christelle Lahaye</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://ufpi.academia.edu/Gr%C3%A9goirevanHavre">Grégoire van Havre</a></span></div><div class="wp-workCard_item"><span>Plos One</span><span>, 2021</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Current archaeological paradigm proposes that the first peopling of the Americas does not exceed ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Current archaeological paradigm proposes that the first peopling of the Americas does not exceed the Last Glacial Maximum period. In this context, the acceptance of the anthropo-genic character of the earliest stone artefacts generally rests on the presence of projectile points considered no more as typocentric but as typognomonic, since it allows, by itself, to certify the human character of the other associated artefacts. In other words, without this presence, nothing is certain. Archaeological research at Piauí (Brazil) attests to a Pleisto-cene human presence between 41 and 14 cal kyr BP, without any record of lithic projectile points. Here, we report the discovery and interpretation of an unusual stone artefact in the Vale da Pedra Furada site, in a context dating back to 24 cal kyr BP. The knapping stigmata and macroscopic use-wear traces reveal a conception centred on the configuration of double bevels and the production in the same specimen of at least two successive artefacts with probably different functions. This piece unambiguously presents an anthropic character and reveals a technical novelty during the Pleistocene occupation of South America.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="f3251b541fdeed83d1d00cb0440238f4" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":66049722,"asset_id":45574079,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/66049722/download_file?st=MTczMjU4NzU5NSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="45574079"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="45574079"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 45574079; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=45574079]").text(description); $(".js-view-count[data-work-id=45574079]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 45574079; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='45574079']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 45574079, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "f3251b541fdeed83d1d00cb0440238f4" } } $('.js-work-strip[data-work-id=45574079]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":45574079,"title":".0 kyr cal BP stone artefact Piauı , Brazil24.0 kyr cal BP stone artefact from Vale da Pedra Furada, Piauı ´, Brazil: Techno-functional analysis","translated_title":"","metadata":{"doi":"10.1371/journal.pone.0247965","abstract":"Current archaeological paradigm proposes that the first peopling of the Americas does not exceed the Last Glacial Maximum period. 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dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="42856974"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/42856974/New_Data_on_a_Pleistocene_Archaeological_Sequence_in_South_America_Toca_do_S%C3%ADtio_do_Meio"><img alt="Research paper thumbnail of New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do Meio" class="work-thumbnail" src="https://attachments.academia-assets.com/63094877/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/42856974/New_Data_on_a_Pleistocene_Archaeological_Sequence_in_South_America_Toca_do_S%C3%ADtio_do_Meio">New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do Meio</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ericBoeda">eric Boeda</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://ufrj.academia.edu/MarcosPauloRamos">Marcos Paulo Ramos</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://u-bordeaux3.academia.edu/ChristelleLahaye">Christelle Lahaye</a></span></div><div class="wp-workCard_item"><span>Paleoamerica</span><span>, 2016</span></div><div class="wp-workCard_item wp-workCard--actions"><span 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Meio","translated_title":"","metadata":{"grobid_abstract":"Sítio do Meio, discovered in the 1990s, showed a sedimentary sequence clearly composed of two sets of deposits separated by a zone of large rockfall from the massive collapse of the shelter's overhang. The bottom set, slightly more than 60 cm thick, was trapped between the bedrock (upon which it rested) and the lower part of the roof fall (reaching more than 1 m in the excavation area), and yielded some charcoal without other archaeological material. New excavations, however, have revealed the presence of artifacts, additional charcoal, and an alignment of sandstone blocks providing clear boundaries for the artifact concentration. The typological and technological composition of the artifacts is classic, with tools made by shaping high-quality quartz pebbles and tools made on shaping chips or on chips obtained by bipolar percussion of quartz blocks. Quartzite was also used, but only in the manufacture of larger tools, of certain types. The toolkit is made of several convergent pieces, denticulates, rostres, scrapers, and end scrapers. Radiocarbon dating results indicate a Pleistocene age, corresponding to the end of the mid-Upper Pleistocene (MIS3). These dates confirm that Sítio do Meio is the seventh Pleistocene stratigraphic sequence known from a 20-km-radius zone, coming from different sedimentary horizons, testifying to a human presence that extends from MIS3 until the middle Holocene, in this region of Piauí. Particularly, we observed that this occupation still has periodic gaps, with phases of occupation occurring in either short or long periods. With the new data, we are able to consider the cultural specificities of each set in the context of climate data to better understand the diversity of occupation within a single territory, for example behavioral variation in the management of space, adaptive responses to environmental pressures, or potentially both at the same 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[Debitagem laminar no Sul do Brasil: Habemus nucleos]" class="work-thumbnail" src="https://attachments.academia-assets.com/55519051/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/35649502/Blade_debitage_in_Southern_Brazil_We_have_cores_Debitagem_laminar_no_Sul_do_Brasil_Habemus_nucleos_">Blade debitage in Southern Brazil: We have cores! [Debitagem laminar no Sul do Brasil: Habemus nucleos]</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://mnhn.academia.edu/AntoineLourdeau">Antoine Lourdeau</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://unochapeco.academia.edu/MirianCarbonnera">Mirian Carbonera</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://pucgoias.academia.edu/SIBELIAPARECIDAVIANA">SIBELI APARECIDA VIANA</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/SirleiElaineHoetz">Sirlei Elaine Hoetz</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/SirleiHoeltz">Sirlei Hoeltz</a></span></div><div class="wp-workCard_item"><span>Journal of Lithic Studies</span><span>, 2017</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Blade debitage is a characteristic production pattern of specific periods and regions during Preh...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Blade debitage is a characteristic production pattern of specific periods and regions during Prehistory. In South America, it is well documented in Argentina, in contexts dating back to early Holocene. In Brazil, it was unknown until 2006, when it was found in three archaeological sites (ACH-LP-01, ACH-LP-03, ALP-AA-03) in the Foz do Chapecó area, upper Uruguay River, South Brazil, in layers from early Holocene. It was associated there with a great variety of other production systems: bifacial shaping of projectile points and large tools, unipolar debitage of large flakes, bipolar debitage of tiny flakes. Silicified sandstone, chalcedony and hyaline quartz are the main used raw materials. To this day, only the products of this debitage, the blades, had been discovered. Cores were lacking, which prevented a complete understanding of the flaking process. Due to the resumption of research in the region from 2013, it was possible to find those cores during surveys in the two following archaeological sites: ACH-LP-07 and RS-URG-01, located on both sides of the Uruguay river, near the mouth of the Chapecó river. We describe in this article five of these cores (4 from ACH-LP-07 and 1 from RS-URG-01). Their analyses demonstrate that this blade debitage complies with only one concept. The core volumetric structure that is the result of this concept displays the following features: 1) Cores have two surfaces: a flat back and a convex but relatively flattened flaking surface, so that they have a general “D” shaped transversal section. At one end, a small surface acts as striking platform during the production of the blades; 2) Debitage begins with a initialization phase of the core during which the striking platform is produced by a large removal. According to the natural properties of the initial volume, the back of the core is obtained either during the selection of the blank, and then it is left in his natural state, or by a preparation by one or more large transversal removals. When present, the scars of the initialization phase of the flaking surface indicate the use of a centripetal method. This preparation is made possible by the acute angle of the peripheral ridge formed by the intersection of the back and the flaking surface ; 3) Blades are always produced by a unidirectional parallel method. Production variability is mainly related to the flaking technique: both internal percussion by stone and marginal percussion by organic percussor were used to get the blades. Technical information provided by the cores are complementary and in accordance with those from the previous analyses of the blades from the same area. With these two studies it was possible to reach a relatively exhaustive understanding of this production system in the upper Uruguay River during early Holocene, the only well documented blade debitage in Brazil known until now. Future research will explore the interactions between this production and the other debitage and shaping methods inside this early Holocene technological system. To do this, we will develop a comprehensive study of all lithic artefacts from the archaeological layers in which blade production was identified. In a wider scale, a comparative approach with Argentinian and Uruguayan prehistoric blade productions will allow to better understand the development of the blade phenomenon in the southern cone of South America.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="3018d6aae62d6d1c197819941a839e96" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":55519051,"asset_id":35649502,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/55519051/download_file?st=MTczMjU4NzU5NSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="35649502"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="35649502"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 35649502; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=35649502]").text(description); $(".js-view-count[data-work-id=35649502]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 35649502; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='35649502']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 35649502, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "3018d6aae62d6d1c197819941a839e96" } } $('.js-work-strip[data-work-id=35649502]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":35649502,"title":"Blade debitage in Southern Brazil: We have cores! [Debitagem laminar no Sul do Brasil: Habemus nucleos]","translated_title":"","metadata":{"doi":"10.2218/jls.v4i3.2530 ","issue":"3","volume":"4","abstract":"Blade debitage is a characteristic production pattern of specific periods and regions during Prehistory. In South America, it is well documented in Argentina, in contexts dating back to early Holocene. In Brazil, it was unknown until 2006, when it was found in three archaeological sites (ACH-LP-01, ACH-LP-03, ALP-AA-03) in the Foz do Chapecó area, upper Uruguay River, South Brazil, in layers from early Holocene. It was associated there with a great variety of other production systems: bifacial shaping of projectile points and large tools, unipolar debitage of large flakes, bipolar debitage of tiny flakes. Silicified sandstone, chalcedony and hyaline quartz are the main used raw materials. To this day, only the products of this debitage, the blades, had been discovered. Cores were lacking, which prevented a complete understanding of the flaking process. Due to the resumption of research in the region from 2013, it was possible to find those cores during surveys in the two following archaeological sites: ACH-LP-07 and RS-URG-01, located on both sides of the Uruguay river, near the mouth of the Chapecó river. We describe in this article five of these cores (4 from ACH-LP-07 and 1 from RS-URG-01). Their analyses demonstrate that this blade debitage complies with only one concept. The core volumetric structure that is the result of this concept displays the following features: 1) Cores have two surfaces: a flat back and a convex but relatively flattened flaking surface, so that they have a general “D” shaped transversal section. At one end, a small surface acts as striking platform during the production of the blades; 2) Debitage begins with a initialization phase of the core during which the striking platform is produced by a large removal. According to the natural properties of the initial volume, the back of the core is obtained either during the selection of the blank, and then it is left in his natural state, or by a preparation by one or more large transversal removals. When present, the scars of the initialization phase of the flaking surface indicate the use of a centripetal method. This preparation is made possible by the acute angle of the peripheral ridge formed by the intersection of the back and the flaking surface ; 3) Blades are always produced by a unidirectional parallel method. Production variability is mainly related to the flaking technique: both internal percussion by stone and marginal percussion by organic percussor were used to get the blades. Technical information provided by the cores are complementary and in accordance with those from the previous analyses of the blades from the same area. With these two studies it was possible to reach a relatively exhaustive understanding of this production system in the upper Uruguay River during early Holocene, the only well documented blade debitage in Brazil known until now. Future research will explore the interactions between this production and the other debitage and shaping methods inside this early Holocene technological system. To do this, we will develop a comprehensive study of all lithic artefacts from the archaeological layers in which blade production was identified. In a wider scale, a comparative approach with Argentinian and Uruguayan prehistoric blade productions will allow to better understand the development of the blade phenomenon in the southern cone of South America.","publication_date":{"day":null,"month":null,"year":2017,"errors":{}},"publication_name":"Journal of Lithic Studies"},"translated_abstract":"Blade debitage is a characteristic production pattern of specific periods and regions during Prehistory. In South America, it is well documented in Argentina, in contexts dating back to early Holocene. In Brazil, it was unknown until 2006, when it was found in three archaeological sites (ACH-LP-01, ACH-LP-03, ALP-AA-03) in the Foz do Chapecó area, upper Uruguay River, South Brazil, in layers from early Holocene. It was associated there with a great variety of other production systems: bifacial shaping of projectile points and large tools, unipolar debitage of large flakes, bipolar debitage of tiny flakes. Silicified sandstone, chalcedony and hyaline quartz are the main used raw materials. To this day, only the products of this debitage, the blades, had been discovered. Cores were lacking, which prevented a complete understanding of the flaking process. Due to the resumption of research in the region from 2013, it was possible to find those cores during surveys in the two following archaeological sites: ACH-LP-07 and RS-URG-01, located on both sides of the Uruguay river, near the mouth of the Chapecó river. We describe in this article five of these cores (4 from ACH-LP-07 and 1 from RS-URG-01). Their analyses demonstrate that this blade debitage complies with only one concept. The core volumetric structure that is the result of this concept displays the following features: 1) Cores have two surfaces: a flat back and a convex but relatively flattened flaking surface, so that they have a general “D” shaped transversal section. At one end, a small surface acts as striking platform during the production of the blades; 2) Debitage begins with a initialization phase of the core during which the striking platform is produced by a large removal. According to the natural properties of the initial volume, the back of the core is obtained either during the selection of the blank, and then it is left in his natural state, or by a preparation by one or more large transversal removals. When present, the scars of the initialization phase of the flaking surface indicate the use of a centripetal method. This preparation is made possible by the acute angle of the peripheral ridge formed by the intersection of the back and the flaking surface ; 3) Blades are always produced by a unidirectional parallel method. Production variability is mainly related to the flaking technique: both internal percussion by stone and marginal percussion by organic percussor were used to get the blades. Technical information provided by the cores are complementary and in accordance with those from the previous analyses of the blades from the same area. With these two studies it was possible to reach a relatively exhaustive understanding of this production system in the upper Uruguay River during early Holocene, the only well documented blade debitage in Brazil known until now. Future research will explore the interactions between this production and the other debitage and shaping methods inside this early Holocene technological system. To do this, we will develop a comprehensive study of all lithic artefacts from the archaeological layers in which blade production was identified. In a wider scale, a comparative approach with Argentinian and Uruguayan prehistoric blade productions will allow to better understand the development of the blade phenomenon in the southern cone of South America.","internal_url":"https://www.academia.edu/35649502/Blade_debitage_in_Southern_Brazil_We_have_cores_Debitagem_laminar_no_Sul_do_Brasil_Habemus_nucleos_","translated_internal_url":"","created_at":"2018-01-12T04:31:26.833-08:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":47470523,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[{"id":30912853,"work_id":35649502,"tagging_user_id":47470523,"tagged_user_id":1145230,"co_author_invite_id":null,"email":"m***c@unochapeco.edu.br","affiliation":"UNOCHAPECÓ","display_order":1,"name":"Mirian Carbonera","title":"Blade debitage in Southern Brazil: We have cores! 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="35693272"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/35693272/Resumo_Tese_Ruptura_t%C3%A9cnica_e_din%C3%A2micas_de_ocupa%C3%A7%C3%A3o_durante_o_Holoceno_m%C3%A9dio_no_Brasil"><img alt="Research paper thumbnail of Resumo Tese : Ruptura técnica e dinâmicas de ocupação durante o Holoceno médio no Brasil" class="work-thumbnail" src="https://attachments.academia-assets.com/55564426/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/35693272/Resumo_Tese_Ruptura_t%C3%A9cnica_e_din%C3%A2micas_de_ocupa%C3%A7%C3%A3o_durante_o_Holoceno_m%C3%A9dio_no_Brasil">Resumo Tese : Ruptura técnica e dinâmicas de ocupação durante o Holoceno médio no Brasil</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">As indústrias líticas do Holoceno médio, entre 8.000 e 4.000 AP no Centro e Nordeste do Brasil, s...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">As indústrias líticas do Holoceno médio, entre 8.000 e 4.000 AP no Centro e Nordeste do Brasil, são geralmente descritas mais em função de critérios ausentes do que pre-sentes: ausência de instrumentos classificados pelas primeiras pesquisas como " lesmas " (peça façonada unifacialmente), ausência de cerâmica. As características técnicas espe-cificas deste período são difíceis de serem identificadas devido a diversidade dos artefa-tos. Descritas como " pouco elaboradas " ou " simples " , essas indústrias interrogam por suas propriedades extremamente diferentes das do período anterior. Hipóteses ligadas a fatores externos foram formuladas para explicar tais mudanças da cultura material: mudança climática provocando uma importante modificação ambiental, substituição populacional consecutiva a uma leve de povoamento. No entanto, é difícil avaliar o processo dessa ruptura sem mais análises diretas de conjuntos líticos deste período. Esse trabalho propõe-se de caracterizar os sistemas técnicos do Holoceno médio e também de abordar o fenômeno de ruptura técnica com o tecnocomplexo Itaparica do Holoce-no antigo. Dois conjuntos líticos do Holoceno médio foram analisados segundo uma abordagem tecnofuncional: a Toca Nova do Inharé, na Serra da Capivara (Piauí) e o sítio Cajueiro (BA-RC-19) no nordeste do Planalto Central (Bahia). Os resultados</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="5d8b920e90e7b16f85c5a4fe926f5695" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":55564426,"asset_id":35693272,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/55564426/download_file?st=MTczMjU4NzU5NSw4LjIyMi4yMDguMTQ2&st=MTczMjU4NzU5NSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="35693272"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="35693272"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 35693272; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=35693272]").text(description); $(".js-view-count[data-work-id=35693272]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 35693272; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='35693272']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 35693272, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "5d8b920e90e7b16f85c5a4fe926f5695" } } $('.js-work-strip[data-work-id=35693272]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":35693272,"title":"Resumo Tese : Ruptura técnica e dinâmicas de ocupação durante o Holoceno médio no Brasil","translated_title":"","metadata":{"abstract":"As indústrias líticas do Holoceno médio, entre 8.000 e 4.000 AP no Centro e Nordeste do Brasil, são geralmente descritas mais em função de critérios ausentes do que pre-sentes: ausência de instrumentos classificados pelas primeiras pesquisas como \" lesmas \" (peça façonada unifacialmente), ausência de cerâmica. As características técnicas espe-cificas deste período são difíceis de serem identificadas devido a diversidade dos artefa-tos. Descritas como \" pouco elaboradas \" ou \" simples \" , essas indústrias interrogam por suas propriedades extremamente diferentes das do período anterior. Hipóteses ligadas a fatores externos foram formuladas para explicar tais mudanças da cultura material: mudança climática provocando uma importante modificação ambiental, substituição populacional consecutiva a uma leve de povoamento. No entanto, é difícil avaliar o processo dessa ruptura sem mais análises diretas de conjuntos líticos deste período. Esse trabalho propõe-se de caracterizar os sistemas técnicos do Holoceno médio e também de abordar o fenômeno de ruptura técnica com o tecnocomplexo Itaparica do Holoce-no antigo. 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="30487382"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/30487382/Pr%C3%A9_hist%C3%B3ria_na_foz_do_rio_Chapec%C3%B3"><img alt="Research paper thumbnail of Pré-história na foz do rio Chapecó" class="work-thumbnail" src="https://attachments.academia-assets.com/50926016/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/30487382/Pr%C3%A9_hist%C3%B3ria_na_foz_do_rio_Chapec%C3%B3">Pré-história na foz do rio Chapecó</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://mnhn.academia.edu/AntoineLourdeau">Antoine Lourdeau</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://unochapeco.academia.edu/MirianCarbonnera">Mirian Carbonera</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/MARCOSCESARPEREIRASANTOS">MARCOS CESAR PEREIRA SANTOS</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://ufs-br.academia.edu/L%C3%ADviaLucas">Lívia Lucas</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://univ-paris1.academia.edu/C%C3%A9cileFoucher">Cécile Foucher</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://ufsc.academia.edu/JulianaBetarello">Juliana Betarello</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/FrancieliKuczkovski">Francieli Kuczkovski</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://unesc.academia.edu/JulianoBitencourtCampos">Juliano Bitencourt Campos</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://pucgoias.academia.edu/SIBELIAPARECIDAVIANA">SIBELI APARECIDA VIANA</a></span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Resumo: O alto rio Uruguai é uma área importante para compreender o povoamento pré-histórico da b...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Resumo: O alto rio Uruguai é uma área importante para compreender o povoamento pré-histórico da bacia do rio da Prata. Nela foram localizados sítios de caçadores-coletores, referentes ao passado mais antigo da região, e de grupos ceramistas relacionados às unidades arqueológicas Tupiguarani e Taquara-Itararé. Este artigo apresenta os primeiros resultados das pesquisas realizadas no sítio ACH-LP-07 situado próximo à foz do rio Chapecó, à margem direita do rio Uruguai, no oeste de Santa Catarina. O rio apresentou várias ocupações de populações de caçadores-coletores no início do Holoceno, caracterizadas por uma variabilidade nas produções de pedra lascada, onde se destaca a produção de lâminas por uma debitagem específica. No último milênio, o local também foi povoado por grupos ceramistas Guarani. O sítio tem trazido diferentes contribuições a respeito dessas antigas sociedades, especialmente as modalidades de ocupação e de sucessão dos grupos humanos no alto rio Uruguai. <br /><br />Résumé: La haute vallée du fleuve Uruguay est une zone importante pour comprendre le peuplement préhistorique du bassin du Rio de la Plata. On y a découvert les sites les plus anciens de la région, associés à des occupations de chasseurs-cueilleurs et des groupes céramistes des traditions Tupiguarani et Taquara-Itararé. Cet article a pour objectif de présenter les premiers résultats des recherches faites sur le site ACH-LP-07 situé proche de l' embouchure du fleuve Chapecó, sur la rive droite du fleuve Uruguay, dans l' ouest de l' état de Santa Catarina. Celui-ci présente plusieurs occupations de chasseurs-cueilleurs du début de l'Holocène, caractérisées par une variabilité des productions lithiques, en particulier l' obtention de lames par un débitage spécifique. Dans le dernier millénaire l' endroit a également été peuplé par des groupes céramistes de la tradition Guarani. Le site a apporté différentes contributions sur ces sociétés anciennes, spécialement sur les modalités d' occupation et de succession des groupes humains dans la haute vallée du fleuve Uruguay.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="0b7be2966a47b76033a42a8b3aa08e0b" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":50926016,"asset_id":30487382,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/50926016/download_file?st=MTczMjU4NzU5NSw4LjIyMi4yMDguMTQ2&s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="30487382"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="30487382"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 30487382; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=30487382]").text(description); $(".js-view-count[data-work-id=30487382]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 30487382; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='30487382']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 30487382, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "0b7be2966a47b76033a42a8b3aa08e0b" } } $('.js-work-strip[data-work-id=30487382]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":30487382,"title":"Pré-história na foz do rio Chapecó","translated_title":"","metadata":{"abstract":"Resumo: O alto rio Uruguai é uma área importante para compreender o povoamento pré-histórico da bacia do rio da Prata. Nela foram localizados sítios de caçadores-coletores, referentes ao passado mais antigo da região, e de grupos ceramistas relacionados às unidades arqueológicas Tupiguarani e Taquara-Itararé. Este artigo apresenta os primeiros resultados das pesquisas realizadas no sítio ACH-LP-07 situado próximo à foz do rio Chapecó, à margem direita do rio Uruguai, no oeste de Santa Catarina. O rio apresentou várias ocupações de populações de caçadores-coletores no início do Holoceno, caracterizadas por uma variabilidade nas produções de pedra lascada, onde se destaca a produção de lâminas por uma debitagem específica. No último milênio, o local também foi povoado por grupos ceramistas Guarani. O sítio tem trazido diferentes contribuições a respeito dessas antigas sociedades, especialmente as modalidades de ocupação e de sucessão dos grupos humanos no alto rio Uruguai. \n\nRésumé: La haute vallée du fleuve Uruguay est une zone importante pour comprendre le peuplement préhistorique du bassin du Rio de la Plata. On y a découvert les sites les plus anciens de la région, associés à des occupations de chasseurs-cueilleurs et des groupes céramistes des traditions Tupiguarani et Taquara-Itararé. Cet article a pour objectif de présenter les premiers résultats des recherches faites sur le site ACH-LP-07 situé proche de l' embouchure du fleuve Chapecó, sur la rive droite du fleuve Uruguay, dans l' ouest de l' état de Santa Catarina. Celui-ci présente plusieurs occupations de chasseurs-cueilleurs du début de l'Holocène, caractérisées par une variabilité des productions lithiques, en particulier l' obtention de lames par un débitage spécifique. Dans le dernier millénaire l' endroit a également été peuplé par des groupes céramistes de la tradition Guarani. Le site a apporté différentes contributions sur ces sociétés anciennes, spécialement sur les modalités d' occupation et de succession des groupes humains dans la haute vallée du fleuve Uruguay."},"translated_abstract":"Resumo: O alto rio Uruguai é uma área importante para compreender o povoamento pré-histórico da bacia do rio da Prata. Nela foram localizados sítios de caçadores-coletores, referentes ao passado mais antigo da região, e de grupos ceramistas relacionados às unidades arqueológicas Tupiguarani e Taquara-Itararé. Este artigo apresenta os primeiros resultados das pesquisas realizadas no sítio ACH-LP-07 situado próximo à foz do rio Chapecó, à margem direita do rio Uruguai, no oeste de Santa Catarina. O rio apresentou várias ocupações de populações de caçadores-coletores no início do Holoceno, caracterizadas por uma variabilidade nas produções de pedra lascada, onde se destaca a produção de lâminas por uma debitagem específica. No último milênio, o local também foi povoado por grupos ceramistas Guarani. O sítio tem trazido diferentes contribuições a respeito dessas antigas sociedades, especialmente as modalidades de ocupação e de sucessão dos grupos humanos no alto rio Uruguai. \n\nRésumé: La haute vallée du fleuve Uruguay est une zone importante pour comprendre le peuplement préhistorique du bassin du Rio de la Plata. On y a découvert les sites les plus anciens de la région, associés à des occupations de chasseurs-cueilleurs et des groupes céramistes des traditions Tupiguarani et Taquara-Itararé. 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The present study regards an archaeological site, Vale da Pedra Furada, situated in the Piauí state in Brazil. The results of technological and functional studies suggest the existence of different successive human occupations during the Pleistocene in this region. Moreover, the geological and geomorphological studies shed new light on our understanding of sedimentary processes and confirm that the levels were not subject to any significant post-depositional processes. This is also confirmed by macro-and micro-analysis of quartz artefact surfaces. The chronological study has recently been completed employing both radiocarbon and luminescence techniques; radiocarbon dates were obtained on charcoal, multi-grain and single-grain OSL ages on sedimentary quartz grains. The results obtained with the different methods are consistent with each other: the most recent archaeological level is dated to around 8 ka and the oldest to 24 ka, indicating the open-air site of Vale da Pedra Furada to be a succession of human occupations beginning from OIS 2. These results are discussed in the context of some archaeological sites studied in the Serra da Capivara National Park of the last few decades.","grobid_abstract_attachment_id":44952401},"translated_abstract":null,"internal_url":"https://www.academia.edu/24624670/New_insights_into_a_late_Pleistocene_human_occupation_in_America_The_Vale_da_Pedra_Furada_complete_chronological_study","translated_internal_url":"","created_at":"2016-04-21T05:57:10.110-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":47470523,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[{"id":19301576,"work_id":24624670,"tagging_user_id":47470523,"tagged_user_id":3426775,"co_author_invite_id":null,"email":"c***e@u-bordeaux-montaigne.fr","affiliation":"Université Bordeaux-Montaigne","display_order":-10,"name":"Christelle Lahaye","title":"New insights into a late-Pleistocene human occupation in America: The Vale da Pedra Furada complete chronological 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href="https://www.academia.edu/29467040/New_Data_on_a_Pleistocene_Archaeological_Sequence_in_South_America_Toca_do_S%C3%ADtio_do_Meio_Piau%C3%AD_Brazil">New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do Meio, Piauí, Brazil</a></div><div class="wp-workCard_item wp-workCard--coauthors"><span>by </span><span><a class="" data-click-track="profile-work-strip-authors" href="https://mnhn.academia.edu/AntoineLourdeau">Antoine Lourdeau</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://independent.academia.edu/ericBoeda">eric Boeda</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://univ-paris1.academia.edu/RoxaneRocca">Roxane Rocca</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://u-paris1.academia.edu/AmelieDaCosta">Amelie Da Costa</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://univasf.academia.edu/JanainaSantos">Janaina Santos</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://ufs-br.academia.edu/L%C3%ADviaLucas">Lívia Lucas</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://usp-br.academia.edu/XimenaSuarezVillagran">Ximena Suarez Villagran</a>, <a class="" data-click-track="profile-work-strip-authors" href="https://pucgoias.academia.edu/SIBELIAPARECIDAVIANA">SIBELI APARECIDA VIANA</a>, and <a class="" data-click-track="profile-work-strip-authors" href="https://ufpi.academia.edu/AnnaCarolinaFerreiraBorges">Anna Carolina Ferreira Borges</a></span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Eric Boëda, Roxane Rocca, Amélie Da Costa, Michel Fontugne, Christine Hatté, Ignacio Clemente-Con...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Eric Boëda, Roxane Rocca, Amélie Da Costa, Michel Fontugne, Christine<br />Hatté, Ignacio Clemente-Conte, Janaina C. Santos, Lívia Lucas, Gisèle Felice, Antoine Lourdeau,<br />Ximena Villagran, Maria Gluchy, Marcos Paulo Ramos, Sibeli Viana, Christelle Lahaye, Niède<br />Guidon, Christophe Griggo, Mario Pino, Anne-Marie Pessis, Carolina Borges & Bruno Gato<br />(2016) New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do<br />Meio, Piauí, Brazil, PaleoAmerica, 2:4, 286-302, DOI: 10.1080/20555563.2016.1237828</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="29467040"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="29467040"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 29467040; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=29467040]").text(description); $(".js-view-count[data-work-id=29467040]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 29467040; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='29467040']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 29467040, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=29467040]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":29467040,"title":"New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do Meio, Piauí, Brazil","translated_title":"","metadata":{"abstract":"Eric Boëda, Roxane Rocca, Amélie Da Costa, Michel Fontugne, Christine\nHatté, Ignacio Clemente-Conte, Janaina C. Santos, Lívia Lucas, Gisèle Felice, Antoine Lourdeau,\nXimena Villagran, Maria Gluchy, Marcos Paulo Ramos, Sibeli Viana, Christelle Lahaye, Niède\nGuidon, Christophe Griggo, Mario Pino, Anne-Marie Pessis, Carolina Borges \u0026 Bruno Gato\n(2016) New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do\nMeio, Piauí, Brazil, PaleoAmerica, 2:4, 286-302, DOI: 10.1080/20555563.2016.1237828"},"translated_abstract":"Eric Boëda, Roxane Rocca, Amélie Da Costa, Michel Fontugne, Christine\nHatté, Ignacio Clemente-Conte, Janaina C. Santos, Lívia Lucas, Gisèle Felice, Antoine Lourdeau,\nXimena Villagran, Maria Gluchy, Marcos Paulo Ramos, Sibeli Viana, Christelle Lahaye, Niède\nGuidon, Christophe Griggo, Mario Pino, Anne-Marie Pessis, Carolina Borges \u0026 Bruno Gato\n(2016) New Data on a Pleistocene Archaeological Sequence in South America: Toca do Sítio do\nMeio, Piauí, Brazil, PaleoAmerica, 2:4, 286-302, DOI: 10.1080/20555563.2016.1237828","internal_url":"https://www.academia.edu/29467040/New_Data_on_a_Pleistocene_Archaeological_Sequence_in_South_America_Toca_do_S%C3%ADtio_do_Meio_Piau%C3%AD_Brazil","translated_internal_url":"","created_at":"2016-10-27T05:50:29.736-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":47470523,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[{"id":25483233,"work_id":29467040,"tagging_user_id":47470523,"tagged_user_id":27974089,"co_author_invite_id":null,"email":"b***c@gmail.com","display_order":0,"name":"eric 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href="https://www.academia.edu/35693200/Rupture_technique_et_dynamiques_doccupation_au_cours_de_lHoloc%C3%A8ne_moyen_au_Br%C3%A9sil"><img alt="Research paper thumbnail of Rupture technique et dynamiques d'occupation au cours de l'Holocène moyen au Brésil" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/35693200/Rupture_technique_et_dynamiques_doccupation_au_cours_de_lHoloc%C3%A8ne_moyen_au_Br%C3%A9sil">Rupture technique et dynamiques d'occupation au cours de l'Holocène moyen au Brésil</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Les industries lithiques de l’Holocène moyen, entre 8.000 et 4.000 BP dans le centre et le nord-e...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Les industries lithiques de l’Holocène moyen, entre 8.000 et 4.000 BP dans le centre et le nord-est du Brésil ont souvent été décrites non pas en fonction des caractères présents mais de ceux absents : absence de lesma (pièce façonnée unifacialement), absence de céramique. Les traits techniques spécifiques à la période sont difficiles à cerner à cause de la diversité des artefacts. Décrites comme peu élaborées ou simples, ces industries interrogent pourtant par leurs caractères extrêmement différents de ceux de la période antérieure.<br />Nous proposons dans ce travail de caractériser les systèmes techniques de l’Holocène moyen et par ce biais aborder le phénomène de rupture technique avec le technocomplexe Itaparica.<br />Deux assemblages lithiques de l’Holocène moyen ont été étudiés selon une approche techno-fonctionnelle : la Toca Nova do Inharé dans la Serra da Capivara (Piauí) et le site Cajueiro (BA-RC-19) au nord-est du plateau central (Bahia).</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="35693200"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span><span id="work-strip-rankings-button-container"></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="35693200"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 35693200; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=35693200]").text(description); $(".js-view-count[data-work-id=35693200]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 35693200; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='35693200']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span><span><script>$(function() { new Works.PaperRankView({ workId: 35693200, container: "", }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-f77ea15d77ce96025a6048a514272ad8becbad23c641fc2b3bd6e24ca6ff1932.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=35693200]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":35693200,"title":"Rupture technique et dynamiques d'occupation au cours de l'Holocène moyen au Brésil","translated_title":"","metadata":{"abstract":"Les industries lithiques de l’Holocène moyen, entre 8.000 et 4.000 BP dans le centre et le nord-est du Brésil ont souvent été décrites non pas en fonction des caractères présents mais de ceux absents : absence de lesma (pièce façonnée unifacialement), absence de céramique. 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