Crevasse Canyon Formation
| Crevasse Canyon Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Formation | 
| Unit of | Mesaverde Group | 
| Sub-units | Dilco Coal, Dalton Sandstone & Gibson Coal Members | 
| Underlies | Point Lookout Sandstone | 
| Overlies | Gallup Sandstone | 
| Thickness | 700 ft (210 m) | 
| Lithology | |
| Primary | Sandstone, mudstone, coal | 
| Location | |
| Coordinates | 35°47′30″N 108°56′41″W / 35.7916°N 108.9446°W | 
| Region | New Mexico, Arizona | 
| Country | United States | 
| Extent | San Juan Basin | 
| Type section | |
| Named for | Crevasse Canyon | 
| Named by | Allen and Balk | 
| Year defined | 1954 | 
The Crevasse Canyon Formation is a coal-bearing Cretaceous geologic formation in New Mexico and Arizona.