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https://hdl.handle.net/2440/117555
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dc.contributor.author | Cox, G. | - |
dc.contributor.author | Isakson, V. | - |
dc.contributor.author | Hoffman, P. | - |
dc.contributor.author | Gernon, T. | - |
dc.contributor.author | Schmitz, M. | - |
dc.contributor.author | Shahin, S. | - |
dc.contributor.author | Collins, A. | - |
dc.contributor.author | Preiss, W. | - |
dc.contributor.author | Blades, M. | - |
dc.contributor.author | Mitchell, R. | - |
dc.contributor.author | Nordsvan, A. | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Precambrian Research, 2018; 315:257-263 | - |
dc.identifier.issn | 0301-9268 | - |
dc.identifier.issn | 1872-7433 | - |
dc.identifier.uri | http://hdl.handle.net/2440/117555 | - |
dc.description.abstract | A central prediction of the Snowball Earth hypothesis is that glacial onset should be synchronous at low latitudes, and its termination should be rapid and synchronous globally. High precision U/Pb zircon ages provide supporting evidence for the synchronous onset (within error) of the Sturtian glaciation (ca. 716 Ma) on multiple continents. Successful application of Re-Os techniques on organic rich shales and carbonates allow for the possibility of a globally synchronous Sturtian deglaciation (ca. 660 Ma), but the sparse isotopic age constraints leave this open to debate. Here we report the first high precision U-Pb zircon age of 663.03 ± 0.11 Ma (2σ) for the end Sturtian recorded in the Wilyerpa Formation of South Australia. This age supports previously published ages and is permissive with a globally synchronous deglaciation. In conjunction with the timing of glacial onset, this age reinforces the ca. 58 Myr duration of the Sturtian Snowball. | - |
dc.description.statementofresponsibility | Grant M.Cox, Vincent Isakson, Paul F.Hoffman, Thomas M.Gernon, Mark D.Schmitz, Sameh Shahin, Alan S.Collins, Wolfgang Preiss, Morgan L.Blades, Ross N.Mitchell, Adam Nordsvan | - |
dc.language.iso | en | - |
dc.publisher | Elsevier | - |
dc.rights | Crown Copyright © 2018 Published by Elsevier B.V. All rights reserved. | - |
dc.source.uri | http://dx.doi.org/10.1016/j.precamres.2018.07.007 | - |
dc.subject | Snowball Earth; Sturtian; synchronous deglaciation; CA-ID-TIMS; Wilyerpa Formation; South Australia | - |
dc.title | South Australian U-Pb zircon (CA-ID-TIMS) age supports globally synchronous Sturtian deglaciation | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1016/j.precamres.2018.07.007 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Cox, G. [0000-0001-8017-3531] | - |
dc.identifier.orcid | Collins, A. [0000-0002-3408-5474] | - |
Appears in Collections: | Aurora harvest 3 Physics publications |
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