Kirtland Formation
| Kirtland Formation | |
|---|---|
| Stratigraphic range: Campanian (typically Kirtlandian) | |
| Kirtland Formation at its type location south of Kirtland, New Mexico | |
| Type | Geological formation | 
| Sub-units | Hunter Wash, Farmington and De-na-zin Members | 
| Underlies | Ojo Alamo Formation | 
| Overlies | Fruitland Formation | 
| Thickness | 594 m (1,949 ft) | 
| Lithology | |
| Primary | Sandstone | 
| Other | Shale, mudstone, conglomerate | 
| Location | |
| Coordinates | 36°42′29″N 108°21′00″W / 36.708°N 108.350°W | 
| Approximate paleocoordinates | 42°36′N 76°18′W / 42.6°N 76.3°W | 
| Region | New Mexico | 
| Country | United States | 
| Extent | San Juan Basin | 
| Type section | |
| Named for | Kirtland Post Office | 
| Named by | C.M. Bauer | 
| Year defined | 1916 | 
The Kirtland Formation (originally the Kirtland Shale) is a sedimentary geological formation.