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Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/1375
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dc.contributor.authorMundil, Ren
dc.contributor.authorLudwig, KRen
dc.contributor.authorMetcalfe, Ianen
dc.contributor.authorRenne, PRen
dc.date.accessioned2009-05-01T15:27:00Z-
dc.date.issued2004-
dc.identifier.citationScience, v.305, p. 1760-1763en
dc.identifier.issn1095-9203en
dc.identifier.issn0036-8075en
dc.identifier.urihttps://hdl.handle.net/1959.11/1375-
dc.description.abstractThe age and timing of the Permian-Triassic mass extinction have been difficult to determine because zircon populations from the type sections are typically affected by pervasive lead loss and contamination by indistinguishable older xenocrysts. Zircons from nine ash beds within the Shangsi and Meishan sections (China), pretreated by annealing followed by partial attack with hydrofluoric acid, result in suites of consistent and concordant uranium/lead (U/Pb) ages, eliminating the effects of lead loss. The U/Pb age of the main pulse of the extinction is 252.6 ± 0.2 million years, synchronous with the Siberian flood volcanism, and it occurred within the quoted uncertainty.en
dc.languageenen
dc.publisherAmerican Association for the Advancement of Science (AAAS)en
dc.relation.ispartofScienceen
dc.titleAge and Timing of the Permian Mass Extinctions: U/Pb Geochronology of Closed-System Zirconsen
dc.typeJournal Articleen
dc.identifier.doi10.1126/science.1101012en
dc.subject.keywordsGeochronologyen
local.contributor.firstnameRen
local.contributor.firstnameKRen
local.contributor.firstnameIanen
local.contributor.firstnamePRen
local.subject.for2008040303 Geochronologyen
local.subject.seo650103 Oil and gasen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailimetcal2@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordpes:1748en
local.publisher.placeUnited States of Americaen
local.identifier.runningnumber5691en
local.format.startpage1760en
local.format.endpage1763en
local.identifier.scopusid4544260588en
local.peerreviewedYesen
local.identifier.volume305en
local.title.subtitleU/Pb Geochronology of Closed-System Zirconsen
local.contributor.lastnameMundilen
local.contributor.lastnameLudwigen
local.contributor.lastnameMetcalfeen
local.contributor.lastnameRenneen
dc.identifier.staffune-id:imetcal2en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:1406en
dc.identifier.academiclevelAcademicen
local.title.maintitleAge and Timing of the Permian Mass Extinctionsen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.relation.urlhttp://find.galegroup.com.ezproxy.une.edu.au/itx/infomark.do?prodId=EAIM&userGroupName=dixson&version=1.0&type=search&selectedTab=ALL&searchType=CCLSearchForm&queryId=Locale%28en%2CUS%2C%29%3AHQE%3D%28__PT__%2CNone%2C48%29sn%2B0036-8075%2Band%2Biu%2B5691%2Band%2Bsp%2B1760%2Band%2Bvo%2B305%2B%24en
local.search.authorMundil, Ren
local.search.authorLudwig, KRen
local.search.authorMetcalfe, Ianen
local.search.authorRenne, PRen
local.uneassociationUnknownen
local.year.published2004en
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