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{"work":{"id":86901507,"created_at":"2022-09-19T04:49:40.717-07:00","from_world_paper_id":215346518,"updated_at":"2024-11-02T10:25:01.829-07:00","_data":{"publisher":"Elsevier BV","publication_date":"2019,,","publication_name":"Chemical Geology"},"document_type":"paper","pre_hit_view_count_baseline":null,"quality":"high","language":"en","title":"Formation of lower to middle crust of the Wyoming Craton, Montana (USA), using evidence from zircon Hf-O isotopic and trace element compositions","broadcastable":true,"draft":null,"has_indexable_attachment":true,"indexable":true}}["work"]; window.loswp.workCoauthors = [57004611]; window.loswp.locale = "en"; window.loswp.countryCode = "SG"; window.loswp.cwvAbTestBucket = ""; window.loswp.designVariant = "ds_vanilla"; window.loswp.fullPageMobileSutdModalVariant = "full_page_mobile_sutd_modal"; window.loswp.useOptimizedScribd4genScript = false; window.loswp.appleClientId = 'edu.academia.applesignon';</script><script defer="" 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ds2-5-body-sm">2019, Chemical Geology</p><div class="ds-work-card--button-container"><button class="ds2-5-button js-swp-download-button" data-signup-modal="{"location":"continue-reading-button--work-card","attachmentId":91252746,"attachmentType":"pdf","workUrl":"https://www.academia.edu/86901507/Formation_of_lower_to_middle_crust_of_the_Wyoming_Craton_Montana_USA_using_evidence_from_zircon_Hf_O_isotopic_and_trace_element_compositions"}">See full PDF</button><button class="ds2-5-button ds2-5-button--secondary js-swp-download-button" data-signup-modal="{"location":"download-pdf-button--work-card","attachmentId":91252746,"attachmentType":"pdf","workUrl":"https://www.academia.edu/86901507/Formation_of_lower_to_middle_crust_of_the_Wyoming_Craton_Montana_USA_using_evidence_from_zircon_Hf_O_isotopic_and_trace_element_compositions"}"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">download</span>Download PDF</button></div></div></div></div><div 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Miocene intrusions located within the northern Colorado River extensional corridor. 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New Hf (n=189) and O (n=241) isotope analyses of zircon from samples in the HZ confirm these melt sources and provide a broader perspective on hybridization processes within the AWP. Zircon grains from all samples show heterogeneous Hf and O isotopic compositions (-5 to -18 ɛHf; 4.5-7.5% δ18O), but despite the clear signature of Precambrian crust in the whole rock data, obvious Precambrian zircons (or cores) were mostly absent; only one zircon was clearly Precambrian (ɛHf = -25). Resolvable intragrain variability is relatively limited (including the Precambrian grain, which is unzoned). Zircons from hand samples and from compositional groups also show heterogeneous ɛHf and δ18O values, although the spreads are more restricted than in the whole data set (6-10 ɛHf in granites, 5-7 ɛHf in intermediate "hybrids", 5-6 ɛHf in gabbro/diorite sheets). Oxygen isotope values for the zircons also show intra-handsample heterogeneity but relatively little resolvable intragrain variability. Paucity of Precambrian cores or grains (n=1) indicates that initial melts were zircon-undersaturated, suggesting melt derivation from a deep crustal 'hot zone' formed by injection of enriched mantle basalt into Proterozoic crust. Variable amounts of anatectic melt mixed with residual melt from mafic injections plus direct mantle partial melts yielded felsic and mafic magmas with isotopic variability. 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class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/27620094/Mixing_and_Melt_Sources_in_the_Miocene_Aztec_Wash_pluton_Nevada_USA_as_Revealed_by_Zircon_Hf_and_O_and_Whole_Rock_Sr_Nd_and_Hf_Isotopes"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="4" data-entity-id="12356276" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/12356276/Correlated_microanalysis_of_zircon_Trace_element_sup_18_sup_O_and_U_Th_Pb_isotopic_constraints_on_the_igneous_origin_of_complex_3900Ma_detrital_grains">Correlated microanalysis of zircon: Trace element, ��< sup> 18</sup> O, and U��Th��Pb isotopic 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class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/12356276/Correlated_microanalysis_of_zircon_Trace_element_sup_18_sup_O_and_U_Th_Pb_isotopic_constraints_on_the_igneous_origin_of_complex_3900Ma_detrital_grains"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="5" data-entity-id="12356200" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/12356200/Internal_zoning_and_U_Th_Pb_chemistry_of_Jack_Hills_detrital_zircons_a_mineral_record_of_early_Archean_to_Mesoproterozoic_4348_1576Ma_magmatism">Internal zoning and U��Th��Pb chemistry of Jack Hills detrital zircons: a mineral record of early Archean to Mesoproterozoic (4348��1576Ma) magmatism</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="32816813" href="https://curtin.academia.edu/SimonWilde">Simon A Wilde</a><span>, </span><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="31054590" href="https://wisc.academia.edu/JohnValley">John Valley</a></div><p class="ds-related-work--metadata ds2-5-body-xs">2004</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Internal zoning and U��Th��Pb chemistry of 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Bell</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Chemical Geology, 2018</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Mineral inclusion assemblage and detrital zircon provenance","attachmentId":89824817,"attachmentType":"pdf","work_url":"https://www.academia.edu/84983526/Mineral_inclusion_assemblage_and_detrital_zircon_provenance","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-related-work-grid-card-view-pdf" href="https://www.academia.edu/84983526/Mineral_inclusion_assemblage_and_detrital_zircon_provenance"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" 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translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-related-work-sidebar-card" data-collection-position="8" data-entity-id="54641732" data-sort-order="default"><a class="ds-related-work--title js-related-work-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/54641732/Early_Archean_crustal_evolution_of_the_Jack_Hills_Zircon_source_terrane_inferred_from_Lu_Hf_207Pb_206Pb_and_%CE%B418O_systematics_of_Jack_Hills_zircons">Early Archean crustal evolution of the Jack Hills Zircon source terrane inferred from Lu–Hf, 207Pb/206Pb, and δ18O systematics of Jack Hills zircons</a><div class="ds-related-work--metadata"><a class="js-related-work-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="31659913" href="https://independent.academia.edu/MalcolmTMcCulloch">Malcolm T McCulloch</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Geochimica et Cosmochimica Acta, 2011</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Early Archean crustal evolution of the Jack Hills Zircon source terrane inferred from Lu–Hf, 207Pb/206Pb, and δ18O systematics of Jack Hills zircons","attachmentId":70909640,"attachmentType":"pdf","work_url":"https://www.academia.edu/54641732/Early_Archean_crustal_evolution_of_the_Jack_Hills_Zircon_source_terrane_inferred_from_Lu_Hf_207Pb_206Pb_and_%CE%B418O_systematics_of_Jack_Hills_zircons","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-related-work-grid-card-view-pdf" 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ds2-5-body-link" data-author-id="37265625" href="https://independent.academia.edu/JoergHermann">Joerg Hermann</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Chemical Geology, 2007</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Experimental zircon/melt and zircon/garnet trace element partitioning and implications for the geochronology of crustal rocks","attachmentId":39544909,"attachmentType":"pdf","work_url":"https://www.academia.edu/17500758/Experimental_zircon_melt_and_zircon_garnet_trace_element_partitioning_and_implications_for_the_geochronology_of_crustal_rocks","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline 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isotope analyses of zircon</a><div class="ds-related-work--metadata"><a class="js-related-work-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="76756" href="https://byu.academia.edu/EricChristiansen">Eric H Christiansen</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Contributions to Mineralogy and Petrology, 2018</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Origins and evolution of rhyolitic magmas in the central Snake River Plain: insights from coupled high-precision geochronology, oxygen isotope, and hafnium isotope analyses of 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js-related-work-sidebar-card" data-collection-position="11" data-entity-id="5691172" data-sort-order="default"><a class="ds-related-work--title js-related-work-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/5691172/Constraints_on_Hadean_zircon_protoliths_from_oxygen_isotopes_Ti_thermometry_and_rare_earth_elements">Constraints on Hadean zircon protoliths from oxygen isotopes, Ti-thermometry, and rare earth elements</a><div class="ds-related-work--metadata"><a class="js-related-work-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="8227898" href="https://ucla.academia.edu/AxelSchmitt">Axel Schmitt</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Geochemistry Geophysics Geosystems, 2007</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Constraints on Hadean zircon protoliths from oxygen 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href="https://wisc.academia.edu/JohnValley">John Valley</a></div><p class="ds-related-work--metadata ds2-5-body-xs">2001</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Oxygen isotope ratios and rare earth elements in 3.3 to 4.4 Ga zircons: Ion microprobe evidence for high ��\u003c sup\u003e 18\u003c/sup\u003e O continental crust and oceans in the Early Archean","attachmentId":46225761,"attachmentType":"pdf","work_url":"https://www.academia.edu/12356181/Oxygen_isotope_ratios_and_rare_earth_elements_in_3_3_to_4_4_Ga_zircons_Ion_microprobe_evidence_for_high_sup_18_sup_O_continental_crust_and_oceans_in_the_Early_Archean","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link 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