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- W2110586434 abstract "Research Article| July 01, 2013 The Laurentian record of Neoproterozoic glaciation, tectonism, and eukaryotic evolution in Death Valley, California Francis A. Macdonald; Francis A. Macdonald † 1Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts 02138, USA †E-mail: fmacdon@fas.harvard.edu. Search for other works by this author on: GSW Google Scholar Anthony R. Prave; Anthony R. Prave 2Department of Earth Science, University of St. Andrews, St. Andrews KY16 9AL, Scotland/UK Search for other works by this author on: GSW Google Scholar Ryan Petterson; Ryan Petterson 3School of Earth Sciences, The University of Queensland, Brisbane QLD 4023, Australia Search for other works by this author on: GSW Google Scholar Emily F. Smith; Emily F. Smith 1Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts 02138, USA Search for other works by this author on: GSW Google Scholar Sara B. Pruss; Sara B. Pruss 4Department of Geosciences, Smith College, Northampton, Massachusetts 01063, USA Search for other works by this author on: GSW Google Scholar Kaylyn Oates; Kaylyn Oates 4Department of Geosciences, Smith College, Northampton, Massachusetts 01063, USA Search for other works by this author on: GSW Google Scholar Felix Waechter; Felix Waechter 1Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts 02138, USA Search for other works by this author on: GSW Google Scholar Dylan Trotzuk; Dylan Trotzuk 1Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts 02138, USA Search for other works by this author on: GSW Google Scholar Anthony E. Fallick Anthony E. Fallick 5Scottish Universities Environmental Research Centre, East Kilbride G75 0QF, Scotland/UK Search for other works by this author on: GSW Google Scholar Author and Article Information Francis A. Macdonald † 1Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts 02138, USA Anthony R. Prave 2Department of Earth Science, University of St. Andrews, St. Andrews KY16 9AL, Scotland/UK Ryan Petterson 3School of Earth Sciences, The University of Queensland, Brisbane QLD 4023, Australia Emily F. Smith 1Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts 02138, USA Sara B. Pruss 4Department of Geosciences, Smith College, Northampton, Massachusetts 01063, USA Kaylyn Oates 4Department of Geosciences, Smith College, Northampton, Massachusetts 01063, USA Felix Waechter 1Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts 02138, USA Dylan Trotzuk 1Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts 02138, USA Anthony E. Fallick 5Scottish Universities Environmental Research Centre, East Kilbride G75 0QF, Scotland/UK †E-mail: fmacdon@fas.harvard.edu. Publisher: Geological Society of America Received: 06 Sep 2012 Revision Received: 15 Mar 2013 Accepted: 27 Mar 2013 First Online: 08 Mar 2017 Online ISSN: 1943-2674 Print ISSN: 0016-7606 © 2013 Geological Society of America GSA Bulletin (2013) 125 (7-8): 1203–1223. https://doi.org/10.1130/B30789.1 Article history Received: 06 Sep 2012 Revision Received: 15 Mar 2013 Accepted: 27 Mar 2013 First Online: 08 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Francis A. Macdonald, Anthony R. Prave, Ryan Petterson, Emily F. Smith, Sara B. Pruss, Kaylyn Oates, Felix Waechter, Dylan Trotzuk, Anthony E. Fallick; The Laurentian record of Neoproterozoic glaciation, tectonism, and eukaryotic evolution in Death Valley, California. GSA Bulletin 2013;; 125 (7-8): 1203–1223. doi: https://doi.org/10.1130/B30789.1 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract Neoproterozoic strata in Death Valley, California, contain eukaryotic microfossils and glacial deposits that have been used to assess the severity of putative snowball Earth events and the biological response to extreme environmental change. These successions also contain evidence for synsedimentary faulting that has been related to the rifting of Rodinia, and in turn the tectonic context of the onset of snowball Earth. These interpretations hinge on local geological relationships and both regional and global stratigraphic correlations. Here, we present new geological mapping, measured stratigraphic sections, carbon and strontium isotope chemostratigraphy, and micropaleontology from the Neoproterozoic glacial deposits and bounding strata in Death Valley. These new data enable us to refine regional correlations, both across Death Valley and throughout Laurentia, and construct a new age model for glacigenic strata and microfossil assemblages. Particularly, our remapping of the Kingston Peak Formation in the Saddle Peak Hills and near the type locality shows for the first time that glacial deposits of both the Marinoan and Sturtian glaciations can be distinguished in southeastern Death Valley, and that beds containing vase-shaped microfossils are slump blocks derived from the underlying strata. These slump blocks are associated with multiple overlapping unconformities that developed during synsedimentary faulting, which is a common feature of Cyrogenian strata along the margin of Laurentia from California to Alaska. With these data, we conclude that all of the microfossils that have been described to date in Neoproterozoic strata of Death Valley predate the glaciations and do not bear on the severity, extent, or duration of Neoproterozoic snowball Earth events. You do not have access to this content, please speak to your institutional administrator if you feel you should have access." @default.
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- W2110586434 date "2013-06-07" @default.
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- W2110586434 title "The Laurentian record of Neoproterozoic glaciation, tectonism, and eukaryotic evolution in Death Valley, California" @default.
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