Tropic Shale Stratigraphic range: Cenomanian to Turonian |
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Type | Geological formation |
Unit of | Kaiparowits Plateau |
Underlies | Straight Cliffs Formation |
Overlies | Dakota Formation |
Lithology | |
Primary | Shale |
Location | |
Region | Utah |
Country | United States |
Type section | |
Named for | Exposures near Tropic, Garfield County, Utah |
Named by | Gregory and Moore, 1931 |
The Tropic Shale is a Mesozoic geologic formation. Dinosaur remains are among the fossils that have been recovered from the formation, including Nothronychus graffami.