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, … 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 wood of Petrified Forest National Park in Arizona. See more Tetrapod biostratigraphy The Chinle Formation is entirely Late Triassic in age. Tetrapod biostratigraphy for the Chinle was first developed based on phytosaurs and aetosaurs, which in 1998 were combined into global biozones in Spencer G. Lucas 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* • Green River Basin* • Las … See more • Lucas, S.G. (1998). "Global Triassic tetrapod biostratigraphy and biochronology". Palaeogeography, Palaeoclimatology, and Palaeoecology, v. 143, pp. 347–384. See more WebRugarhynchos is an extinct genus of doswelliid archosauriform from the Late Triassic of New Mexico.The only known species is Rugarhynchos sixmilensis.It was originally described as a species of Doswellia in 2012, before receiving its own genus in 2024. Rugarhynchos was a close relative of Doswellia and shared several features with it, …
Secrets of the Chinle Formation - National Park …
Web13 rows · The Chinle Formation is an Upper Triassic continental geologic formation in … WebJul 6, 2015 · During Chinle time, no flowering plants existed; instead, club mosses and ferns grew in freshwater marshes, while horsetails and cycads occupied floodplains. The Chinle Formation's 220 million-year old … danby ddw621wdb countertop dishwasher
Rugarhynchos - Wikipedia
WebSep 9, 2024 · The Chinle Formation consists of a variety of different sedimentary rock types including conglomerate, sandstone, siltstone, mudstone, and clay. Within the St. George area, the formation is ... WebNov 18, 2024 · Pg. 223 (table 1), 228. Petrified Forest member of Chinle formation. Upper part light-red and brown, irregularly bedded sandstones and sandy, argillaceous, carbonaceous, and calcareous shales widely variable in composition; lower part brilliantly variegated friable shales of various composition and degrees of hardness, which weather … WebThe 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, … danby dehumidifier costco