AAPG EXPLORER

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id="dnn_RowSeventeen_Grid6_Pane1" class="RowSeventeen_Grid6_Pane1 DNNEmptyPane"></div> </div> <div class="col-sm-6"> <div id="dnn_RowSeventeen_Grid6_Pane2" class="RowSeventeen_Grid6_Pane2 DNNEmptyPane"></div> </div> </div> <div class="row"> <div class="col-sm-5"> <div id="dnn_RowEighteen_Grid5_Pane" class="RowEighteen_Grid5_Pane DNNEmptyPane"></div> </div> <div class="col-sm-7"> <div id="dnn_RowEighteen_Grid7_Pane" class="RowEighteen_Grid7_Pane DNNEmptyPane"></div> </div> </div> <div class="row"> <div class="col-sm-4"> <div id="dnn_RowNineteen_Grid4_Pane" class="RowNineteen_Grid4_Pane DNNEmptyPane"></div> </div> <div class="col-sm-8"> <div id="dnn_RowNineteen_Grid8_Pane" class="RowNineteen_Grid8_Pane DNNEmptyPane"></div> </div> </div> <div class="row"> <div class="col-sm-3"> <div id="dnn_RowTwenty_Grid3_Pane" class="RowTwenty_Grid3_Pane DNNEmptyPane"></div> </div> <div class="col-sm-9"> <div id="dnn_RowTwenty_Grid9_Pane" class="RowTwenty_Grid9_Pane DNNEmptyPane"></div> </div> </div> </div> </div> </div> <div id="dnn_Full_Screen_PaneG" class="Full_Screen_PaneG DNNEmptyPane"></div> <div class="dnn_layout"> <div class="content_mid clearfix"> <div class="pane_layout"> <div class="row"> <div class="col-sm-12"> <div id="dnn_BottomPane" class="BottomPane"><div class="DnnModule DnnModule-DNN_HTML DnnModule-22237 DnnVersionableControl"><a name="22237"></a><div id="dnn_ctr22237_ContentPane"><h2 class="divider">Extended Reading</h2><div id="dnn_ctr22237_ModuleContent" class="DNNModuleContent ModDNNHTMLC"> <div id="dnn_ctr22237_HtmlModule_lblContent"> <style> .Explorer .aapg-info-popover, .Explorer .aapg-date-location , .Sponsored .aapg-info-popover, .Sponsored .aapg-date-location { display: none; } </style> <div class="row">    <div style="position: relative;" class=" PFID-68490 col-sm-4 aapg-floating-box Explorer Geophysical Corner 1plus4 Rotation animation animation_item scaleUp delay1 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68490/fences-and-fence-posts?utm_medium=website&utm_source=3" target="_self"> <span class="ContentTypeName vertical"> Geophysical Corner</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/fences-and-fence-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" >  </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">Fences and Fence Posts</h3> <p class="aapg-summary">Effective seismic interpretation requires understanding geologic boundary-defining attributes, which we can think of as fence ... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div>  <div style="position: relative;" class=" PFID-68489 col-sm-4 aapg-floating-box Explorer Historical Highlights 1plus4 Rotation animation animation_item scaleUp delay2 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68489/william-tudor-griswold-and-the-history-of-structure-contour-mapping?utm_medium=website&utm_source=3" target="_self"> <span class="ContentTypeName vertical"> Historical Highlights</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/william-tudor-griswold-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" >  </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">William Tudor Griswold and the History of Structure Contour Mapping</h3> <p class="aapg-summary">In the year 1900, a man got off a train in Cadiz, in eastern Ohio, and hired a horse ... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div>     </div>  <nav class="article_paging" itemscope itemtype="http://schema.org/SiteNavigationElement"> </nav> <script defer src="//www.aapg.org/js/custom-js/jquery.matchHeight-min.js" type="text/javascript"></script> <script> $(document).ready(function(){ //$(".col-sm-3.aapg-floating-box .photo_box").matchHeight(); //$(".col-sm-4.aapg-floating-box .photo_box").matchHeight(); $(".col-sm-3.aapg-floating-box .photo_box, .col-sm-4.aapg-floating-box .photo_box").matchHeight(); }); </script>   <style> .Explorer .aapg-info-popover, .Explorer .aapg-date-location , .Sponsored .aapg-info-popover, .Sponsored .aapg-date-location { display: none; } </style> <div class="row">    <div style="position: relative;" class=" PFID-68493 col-sm-4 aapg-floating-box Explorer Division Column DEG animation animation_item scaleUp delay1 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68493/what-is-the-deg-currently-working-on?utm_medium=website&utm_source=4" target="_self"> <span class="ContentTypeName vertical"> Division Column DEG</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/imhof-matthias.jpg?width=480&height=320&mode=pad&anchor=middlecenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" >  </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">What is the DEG Currently Working On?</h3> <p class="aapg-summary">As you read this, two significant events organized by Division of Environmental Geosciences members will have recently conclud... <button data-trigger="hover focus click" data-html="true" data-content="" 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class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">Geology of Ireland</h3> <p class="aapg-summary">Fascinating terrain and good beer – an appealing combo for many a traveling geologist, or so I’m told. As luck, or perha... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div>  <div style="position: relative;" class=" PFID-68500 col-sm-4 aapg-floating-box Explorer President’s Column animation animation_item scaleUp delay3 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68500/back-to-kuala-lumpur?utm_medium=website&utm_source=4" target="_self"> <span class="ContentTypeName vertical"> President’s Column</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/sacrey-deborah-large.jpg?width=480&height=320&mode=pad&anchor=middlecenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" >  </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">Back to Kuala Lumpur</h3> <p class="aapg-summary">Greetings, members. I know I promised more on the changes proposed in the House of Delegates, but our dear EXPLORER editor inf... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div>  <div style="position: relative;" class=" PFID-68494 col-sm-4 aapg-floating-box Explorer Readers Forum animation animation_item scaleUp delay4 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68494/a-reflection-on-my-term-as-aapg-secretary?utm_medium=website&utm_source=4" target="_self"> <span class="ContentTypeName vertical"> Readers Forum</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/barnes-sara.jpg?width=480&height=320&mode=pad&anchor=middlecenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" >  </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">A Reflection on My Term as AAPG Secretary</h3> <p class="aapg-summary">My tenure as AAPG secretary began in the summer of 2023, coinciding with the birth of... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div>  <div style="position: relative;" class=" PFID-68495 col-sm-4 aapg-floating-box Explorer Article 1plus4 Rotation animation animation_item scaleUp delay5 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68495/americas-new-lithium?utm_medium=website&utm_source=4" target="_self"> <span class="ContentTypeName vertical"> Article</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/americas-new-lithium-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" >  </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">America's New Lithium</h3> <p class="aapg-summary">Lithium is essential to the batteries that power our mobile phones, laptops, electric vehicles and more, making its procuremen... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div>  <div style="position: relative;" class=" PFID-68491 col-sm-4 aapg-floating-box Explorer Foundation Update 1plus4 Rotation animation animation_item scaleUp delay6 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68491/the-foundation-core-mission-excellence-in-geoscience-education?utm_medium=website&utm_source=4" target="_self"> <span class="ContentTypeName vertical"> Foundation Update</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/the-foundation-core-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" >  </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">The Foundation Core Mission: Excellence in Geoscience Education</h3> <p class="aapg-summary">AAPG Foundation leaders talk about it all the time – for many on the team, in fact, i... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div>  <div style="position: relative;" class=" PFID-68496 col-sm-4 aapg-floating-box Explorer Article 1plus4 Rotation animation animation_item scaleUp delay7 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68496/cold-feet-on-climate-change?utm_medium=website&utm_source=4" target="_self"> <span class="ContentTypeName vertical"> Article</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/cold-feet-on-climate-hero.jpg?width=480&height=320&mode=crop&anchor=topcenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" >  </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">Cold Feet on Climate Change?</h3> <p class="aapg-summary">Though unsurprising, the United States’ decision to withdraw from the Paris Climate Agreement has stirred second thought... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" data-original-title="Details" class="btn btn-xs btn-primary btn-block popovers aapg-info-popover" role="button">Info...</button> </p> </div> </div> </a> </div>  <div style="position: relative;" class=" PFID-68492 col-sm-4 aapg-floating-box Explorer Director’s Corner animation animation_item scaleUp delay8 "> <a class="ContentTypeVisible" href="//explorer.aapg.org/story/articleid/68492/meeting-the-growing-demand-for-electricity-revisiting-giant-legacy-fields-and-natural-gas?utm_medium=website&utm_source=4" target="_self"> <span class="ContentTypeName vertical"> Director’s Corner</span> <div class="photo_box img_zoom ico_right_enter box_border_padding "> <div class="pic_box litImage "> <div class="image-overlay "></div> <img class="img-responsive" src="/Portals/0/PackFlashItemImages/WebReady/nash-susan-1.jpg?width=480&height=320&mode=pad&anchor=middlecenter&encoder=freeimage&progressive=true&quality=90&scale=both&bgcolor=ffffff" >  </div> <div class="text_sytle_1"> <p class="aapg-date-location"><span class="aapg-date dates nowrap1"><span class="weekday schema">Friday, </span>1 January 1999<span class="time schema">, 12:00 a.m.–12:00 a.m.</span></span><span class="aapg-location nowrap1">, </span></p> <h3 class="aapg-title">Meeting the Growing Demand for Electricity: Revisiting Giant Legacy Fi...</h3> <p class="aapg-summary">Re-industrialization of the United States takes hold as the nation grapples with how ... <button data-trigger="hover focus click" data-html="true" data-content="" data-placement="auto bottom" data-toggle="popover" data-container="body" 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