Integrated U-Pb zircon and palynological/palaeofloristic age determinations of a Bashkirian palaeofjord fill, Quebrada Grande (Western Argentina)

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• 作者：Victoria Valdez Buso^a ; ^d ; ^{victoria.valdezbuso@abdn.ac.uk} ; ^{vikivaldezbuso@gmail.com} ; Mercedes di Pasquo^b ; ^{medipa@cicyttp.org.ar} ; Juan Pablo Milana^c ; ^{jpmilana@gmail.com} ; Benjamin Kneller^d ; ^{b.kneller@abdn.ac.uk} ; Claus Fallgatter^a ; ^{claus.fallgatter@gmail.com} ; Farid Chemale Junior^a ; ^{faridchemale@gmail.com} ; Paulo Sé ; rgio Gomes Paim^a ; ^{ppaim@unisinos.br}
• 关键词：Late palaeozoic ice age ; Palynology ; Platyspermic seeds ; Isotopic age ; Jejenes formation ; Paganzo basin
• 刊名：Journal of South American Earth Sciences
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：73
• 期：Complete
• 页码：202-222
• 全文大小：13171 K
• 卷排序：73

文摘

Age framework for the main Bashkirian transgression in Western Argentina. The first isotopic age for the Jejenes Formation. The first platyspermic seed for the region dated as 321.3 ± 5.3 Ma. A new glacial pulse recorded at upper section of Quebrada Grande palaeofjord.