Articles | Volume 24
Science report
22 Oct 2018
Science report |  | 22 Oct 2018

Colorado Plateau Coring Project, Phase I (CPCP-I): a continuously cored, globally exportable chronology of Triassic continental environmental change from western North America

Paul E. Olsen, John W. Geissman, Dennis V. Kent, George E. Gehrels, Roland Mundil, Randall B. Irmis, Christopher Lepre, Cornelia Rasmussen, Dominique Giesler, William G. Parker, Natalia Zakharova, Wolfram M. Kürschner, Charlotte Miller, Viktoria Baranyi, Morgan F. Schaller, Jessica H. Whiteside, Douglas Schnurrenberger, Anders Noren, Kristina Brady Shannon, Ryan O'Grady, Matthew W. Colbert, Jessie Maisano, David Edey, Sean T. Kinney, Roberto Molina-Garza, Gerhard H. Bachman, Jingeng Sha, and the CPCD team

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Cited articles

Allen, V. T.: Triassic bentonite of the Painted Desert, Am. J. Sci., 112, 283–288, 1930. 
Ash, S. R.: Late Triassic plants from the Chinle Formation in northeastern Arizona, Palaeontology, 15, 598–618, 1972. 
Ash, S. R.: A catalog of Upper Triassic plant megafossils of the western United States through 1988, in: Dawn of the Age of Dinosaurs in the American Southwest, Albuquerque, New Mexico, edited by: Hunt, A. P. and Lucas, S. G., Museum of Natural History, 189–222, 1989. 
Ash, S. R.: Synopsis of the Upper Triassic flora of Petrified Forest National Park and vicinity, Mesa Southwest Mus. Bull., 9, 53–62, 2005. 
Atchley, S. C., Nordt, L. C., Dworkin, S. I., Ramezani, J., Parker, W. G., Ash, S. R., and Bowring, S. A.: A linkage among Pangean tectonism, cyclic alluviation, climate change, and biologic turnover in the Late Triassic: The Record From The Chinle Formation, Southwestern United States, J. Sed. Res. 83, 1147–1161, 2013. 
Short summary
The Colorado Plateau Coring Project-1 recovered ~ 850 m of core in three holes at two sites in the Triassic fluvial strata of Petrified Forest National Park, AZ, USA. The cores have abundant zircon, U-Pb dateable layers (210–241 Ma) that along with magnetic polarity stratigraphy, validate the eastern US-based Newark-Hartford astrochronology and timescale, while also providing temporal and environmental context for the vast geological archives of the Triassic of western North America.