San Jose Formation
| San Jose Formation | |
|---|---|
| Stratigraphic range: Wasatchian ~ | |
San Jose Formation capping Mesa de Cuba, northern New Mexico | |
| Type | Formation |
| Sub-units | Cuba Mesa, Ditch Canyon, Llaves, Regina & Tapicitos Members |
| Overlies | Nacimiento Formation |
| Thickness | 430 m (1,410 ft) |
| Lithology | |
| Primary | Sandstone |
| Other | Shale |
| Location | |
| Coordinates | 36°17′N 107°04′W / 36.29°N 107.06°W |
| Approximate paleocoordinates | 41°12′N 91°42′W / 41.2°N 91.7°W |
| Region | New Mexico |
| Country | United States |
| Extent | San Juan Basin |
| Type section | |
| Named for | San Jose Valley (36°10′48″N 106°55′37″W / 36.180°N 106.927°W) |
| Named by | G.G. Simpson |
| Year defined | 1948 |
The San Jose Formation is an Early Eocene (Wasatchian in the NALMA classification) geologic formation in the San Juan Basin of New Mexico and Colorado.