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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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Bibliografski detalji
Izdano u:Proc Natl Acad Sci U S A
Glavni autori: Cifelli, Richard L., Kirkland, James I., Weil, Anne, Deino, Alan L., Kowallis, Bart J.
Format: Artigo
Jezik:Inglês
Izdano: National Academy of Sciences 1997
Teme:
Online pristup: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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