High-precision (40)Ar/(39)Ar geochronology and the advent of North America’s Late Cretaceous terrestrial fauna

A densely sampled, diverse new fauna from the uppermost Cedar Mountain Formation, Utah, indicates that the basic pattern of faunal composition for the Late Cretaceous of North America was already established by the Albian-Cenomanian boundary. Multiple, concordant (40)Ar/(39)Ar determinations from a...

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書誌詳細

出版年:	Proc Natl Acad Sci U S A
主要な著者:	Cifelli, Richard L., Kirkland, James I., Weil, Anne, Deino, Alan L., Kowallis, Bart J.
フォーマット:	Artigo
言語:	Inglês
出版事項:	National Academy of Sciences 1997
主題:	Biological Sciences
オンライン･アクセス:	https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC23402/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/9326579/ https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.94.21.11163
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