Molas Formation
The Molas Formation is a geologic formation that is found in the Four Corners region of the United States. Its age is poorly constrained but is thought to be Namurian (late Mississippian to middle Pennsylvanian).
| Molas Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Formation |
| Sub-units | Coalbank Hill Member |
| Underlies | Pinkerton Trail Formation |
| Overlies | Leadville Limestone |
| Thickness | 37 m (120 ft) |
| Lithology | |
| Primary | Mudrock |
| Other | Sandstone, conglomerate |
| Location | |
| Coordinates | 37.748°N 107.683°W |
| Region | Four Corners |
| Country | United States |
| Type section | |
| Named for | Molas Lake |
| Named by | Cross and Howe |
| Year defined | 1905 |
Molas Formation (the United States) Molas Formation (Colorado) | |
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