| 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[1] |
  Crevasse Canyon Formation (the United States)  Crevasse Canyon Formation (New Mexico) | |
The Crevasse Canyon Formation is a coal-bearing Cretaceous geologic formation in New Mexico and Arizona.