U-Pb geochronology of the Santa Cruz Formation (early Miocene) at the Río Bote and Río Santa Cruz (southernmost Patagonia, Argentina): Implications for the correlation of fossil vertebrate localities
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- 作者：José ; I. Cuitiñ ; oa ; jcuitino@cenpat-conicet.gob.ar" class="auth_mail" title="E-mail the corresponding author ; Juan Carlos Fernicolab ; c ; jctano@yahoo.com" class="auth_mail" title="E-mail the corresponding author ; Matthew J. Kohnd ; mattkohn@boisestate.edu" class="auth_mail" title="E-mail the corresponding author ; Robin Traylerd ; robintrayler@u.boisestate.edu" class="auth_mail" title="E-mail the corresponding author ; Maximiliano Naipauere ; maxinaipauer@gl.fcen.uba.ar" class="auth_mail" title="E-mail the corresponding author ; M. Susana Bargof ; g ; msbargo@fcnym.unlp.edu.ar" class="auth_mail" title="E-mail the corresponding author ; Richard F. Kayh ; richard.kay@duke.edu" class="auth_mail" title="E-mail the corresponding author ; Sergio F. Vizcaí ; nof ; i ; vizcaino@fcnym.unlp.edu.ar" class="auth_mail" title="E-mail the corresponding author
- 关键词：Santacrucian ; Notohippidian ; Chronostratigraphy ; Fossil mammals
- 刊名：Journal of South American Earth Sciences
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：70
- 期：Complete
- 页码：198-210
- 全文大小：3552 K
文摘
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Four U-Pb ages from tuffs of the mammal-bearing Santa Cruz Formation are provided.
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The Santa Cruz Formation in southern Santa Cruz span from ∼18.2 to ∼15.6 Ma.
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Western Notohippidian and Pinturan faunas are synchronous.
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Notohippidian and Pinturan faunas are older than Santacrucian faunas.
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Santacrucian faunas may partly overlaps in time with Colloncuran and Friasian faunas.