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Late Cretaceous Dinosaur Tracks From The Iron Springs Formation, Iron County, Utah, Jennifer K. Crowell, Grant T. Shimer
Late Cretaceous Dinosaur Tracks From The Iron Springs Formation, Iron County, Utah, Jennifer K. Crowell, Grant T. Shimer
The Compass: Earth Science Journal of Sigma Gamma Epsilon
Located in Iron County, Utah, the Parowan Gap dinosaur track site contains over one hundred natural casts of non-avian dinosaur tracks preserved in sandstones and siltstones of the Late Cretaceous (≈83 Ma) Iron Springs Formation. For this study, the authors returned to the area to survey for and describe previously unidentified tracks. Many tracks from this new study occur as in situ casts found on the basal surfaces of sandstones deposited by braided and meandering rivers on the coastal plain of the Western Interior Seaway, with some specimens from fallen talus blocks. Over the course of two years, the research …