Mancos Shale
| Mancos Shale | |
|---|---|
| Stratigraphic range: Mid Albian-Campanian ~ | |
Mancos Shale at its type location just north of Mancos, Colorado | |
| Type | Geologic formation |
| Sub-units | See text |
| Underlies | Mesaverde Formation |
| Overlies | Dakota Group |
| Lithology | |
| Primary | Shale |
| Location | |
| Coordinates | 37°21′11″N 108°17′49″W / 37.353°N 108.297°W |
| Region | Arizona, Colorado, New Mexico, Utah, Wyoming |
| Country | United States |
| Extent | Basin and Range, Colorado Plateau and San Juan Mountains Provinces |
| Type section | |
| Named for | Mancos, Colorado |
The Mancos Shale or Mancos Group is a Late Cretaceous (Upper Cretaceous) geologic formation of the Western United States.
The Mancos Shale was first described by Cross and Purington in 1899 and was named for exposures near the town of Mancos, Colorado.