| Alamitos Formation | |
|---|---|
| Stratigraphic range: | |
 Alamitos Formation at one of its reference sections | |
| Type | Formation |
| Underlies | Sangre de Cristo Formation |
| Overlies | La Pasada Formation, Porvenir Formation, Flechado Formation |
| Thickness | 645–1,828 ft (197–557 m) |
| Lithology | |
| Primary | Sandstone |
| Other | Limestone, shale |
| Location | |
| Coordinates | 35°37′08″N 105°41′24″W / 35.619°N 105.690°W |
| Region | New Mexico |
| Country | United States |
| Type section | |
| Named for | Alamitos Canyon |
| Named by | P.K. Sutherland |
| Year defined | 1963 |
  Alamitos Formation (the United States)  Alamitos Formation (New Mexico) | |
The Alamitos Formation is a geologic formation exposed in the southern Sangre de Cristo Mountains of New Mexico. It preserves fossils dating back to the late Pennsylvanian to early Permian periods.[1]
- ^ Baltz, E.H.; Myers, D.H. (1999). "Stratigraphic framework of upper Paleozoic rocks, southeastern Sangre de Cristo Mountains, New Mexico, with a section on speculations and implications for regional interpretation of Ancestral Rocky Mountains paleotectonics". New Mexico Bureau of Mines and Mineral Resources Memoir. 48. Retrieved 29 July 2020.