English Chinle Formation Cited by user Fanboyphilosopher on 16 Jun 2022 The Chinle Formation is an Upper Triassic continental geological formation of fluvial, lacustrine, and palustrine to eolian deposits spread across the U.S.
English Petrified Forest Member Cited by user Kent G. Budge on 30 May 2020 The Petrified Forest Member is a stratigraphic unit of the Chinle Formation in Arizona, Colorado, New Mexico, Nevada, and Utah.