WebThe Entrada sandstone is estimated to be approximately 161 to 165 million years old. TRcp is Triassic Petrified Forest Formation of the Chinle Group, Je is Jurassic Entrada Sandstone, Jt is Jurassic Todilto Formation, and … WebThe Chinle is a geologic formation that is spread across the U.S. states of northern Arizona, Nevada, Utah, western New Mexico, and western Colorado. The Chinle is …
Geologic units in Arizona (state in United States) - USGS
The Chinle Formation is an Upper Triassic continental geological formation of fluvial, lacustrine, and palustrine to eolian deposits spread across the U.S. states of Nevada, Utah, northern Arizona, western New Mexico, and western Colorado. In New Mexico, it is often raised to the status of a geological group, the Chinle … See more While colorful Triassic sediments of the Colorado Plateau have been investigated since the 19th century, the Chinle Formation was only formally named and described by Herbert E. Gregory in 1917. It was named for See more The Chinle Formation is fossiliferous, with a diverse array of extinct reptile, fish, and plant fossils, including early dinosaurs and the famous petrified … See more Tetrapod biostratigraphy The Chinle Formation is entirely Late Triassic in age. Tetrapod biostratigraphy for the Chinle was … See more • List of dinosaur-bearing rock formations • Paleobiota of the Chinle Formation • Triassic land vertebrate faunachrons See more The formation members and their thicknesses are highly variable across the Chinle. Arizona and western New Mexico Some of the most extensive deposits of the Chinle Formation are found in the southern Colorado … See more Geologic Province: • Black Mesa Basin* • Great Basin province* • See more • Lucas, S.G. (1998). "Global Triassic tetrapod biostratigraphy and biochronology". Palaeogeography, Palaeoclimatology, and Palaeoecology, v. 143, pp. 347–384. See more WebThe Chinle formation is exposed in the Painted Desert of northern Arizona. The Chinle's colorful mudstones, and less abundant lenses of sandstone and conglomerate, were deposited by a large river system. This unit … t shirts for men\u0027s
Chinle Formation, northern Arizona AZGS
WebSep 13, 2024 · Blue Mesa Member, Chinle Formation. NPS. The Blue Mesa Member consists of thick deposits of grey, blue, purple, and green mudstones and minor sandstone beds, the most prominent of which is … WebThe Chinle group is particularly important to paleontologists interested in aetosaurs, as it has been critical in establishing their biochronology in the Late Triassic. Redondasaurus has also been found in the Wingate Sandstone Formation in Utah. The following collections are according to location and date of discovery. New Mexico, USA 1 ... philo tv subscription