Cloverly Formation
| Use attributes for filter ! | |
| Primary | Mudstone |
|---|---|
| Overlies | Morrison Formation |
| Underlies | Thermopolis Shale |
| Thickness | 150–400 ft (46–122 m) |
| Date of Reg. | |
| Date of Upd. | |
| ID | 3087281 |
About Cloverly Formation
The Cloverly Formation is a geological formation of Early Cretaceous age that is present in parts of Montana, Wyoming, Colorado and Utah in the western United States. It was named for a post office on the eastern side of the Bighorn Basin in Wyoming by N. H. Darton in 1904.