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The Dufek intrusion, Antarctica: the source of Scarab Peak chemical type volcanism in the Ferrar igneous province?
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Taylor, Aidan Edward. The Dufek intrusion, Antarctica: the source of Scarab Peak chemical type volcanism in the Ferrar igneous province?. Retrieved from https://doi.org/doi:10.7282/t3-dr05-2d61

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TitleThe Dufek intrusion, Antarctica: the source of Scarab Peak chemical type volcanism in the Ferrar igneous province?
NameTaylor, Aidan Edward (author); Feigenson, Mark (chair); Godfrey, Linda (member); Schlische, Roy (member); Rutgers University; School of Graduate Studies
Date Created2022
Other Date2022-05 (degree)
SubjectGeology, Geochemistry, Geography, Dufek intrusion, Ferrar igneous province, Isotope geochemistry, Sr-Nd-Pb, Volcanism, Antarctica
Extent43 pages : illustrations
DescriptionThe Ferrar magmatic province is one of the most voluminous large igneous provinces (LIPs) on the planet. Its emplacement history is complicated, but its geochemistry can be split into two distinct groups—Mount Fazio chemical type (MFCT) and Scarab Peak chemical type (SPCT). The province also hosts a large layered mafic intrusion (LMI), called the Dufek Intrusion, which has been theorized as a main conduit to the Ferrar magmatic system. Our new whole-rock Sr-Nd-Pb isotope dataset for the Dufek Intrusion, in combination with existing isotopic data for the Ferrar, shows the intrusion shares the same petrogenesis as the Ferrar Igneous Province. It also shows the Dufek Intrusion could be a source for the SPCT group and that the SPCT lavas may be related to the MFCT group. This signature is also similar to Coats Land series 1 magmas. SPCT volcanism accounts for small percentage of the province and prior to this discovery, had very little corresponding intra-crustal magmatism let alone a source. This new dataset has significant implications for the emplacement and size of the SPCT group as well as our understanding of the MFCT group.
NoteM.S.
NoteIncludes bibliographical references
Genretheses
Persistent URLhttps://doi.org/doi:10.7282/t3-dr05-2d61
LanguageEnglish
CollectionSchool of Graduate Studies Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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