U-Pb zircon geochronology and depositional age models for the Upper Triassic Chinle Formation (Petrified Forest National Park, Arizona, USA): Implications for Late Triassic paleoecological and paleoenvironmental change

Rasmussen, Cornelia; Mundil, Roland; B. Irmis, Randall; Geisler, Dominique; E. Gehrels, George; E. Olsen, Paul; V. Kent, Dennis; J. Lepre, Christopher; Kinney, Sean; W. Geissman, J.; G. Parker, William

doi:10.1130/b35485.1

Public

U-Pb zircon geochronology and depositional age models for the Upper Triassic Chinle Formation (Petrified Forest National Park, Arizona, USA): Implications for Late Triassic paleoecological and paleoenvironmental change

Published in Geological Society of America Bulletin • Jul 20, 2020

Authors:

Cornelia Rasmussen

Roland Mundil

Randall B. Irmis

Abstract

Abstract The Upper Triassic Chinle Formation is a critical non-marine archive of low-paleolatitude biotic and environmental change in southwestern North America. The well-studied and highly fossiliferous Chinle strata at Petrified Forest National Park (PFNP), Arizona, preserve a biotic turnover even...

Subject

Geology

Sedimentary depositional environment

Zircon

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