| Santa Rosa Formation | |
|---|---|
| Stratigraphic range: | |
 Santa Rosa Formation along I-25 in Glorieta Pass. | |
| Type | Formation |
| Sub-units | Tecolotito Member, Los Esteros Member, Tres Lagunas Member |
| Underlies | Garita Creek Formation |
| Overlies | Anton Chico Formation |
| Thickness | 32 meters (105 ft) |
| Lithology | |
| Primary | Sandstone, mudstone |
| Other | Conglomerate |
| Location | |
| Coordinates | 34°57′43″N 104°41′25″W / 34.9620°N 104.6902°W |
| Region | New Mexico, Texas |
| Country | United States |
| Type section | |
| Named for | Santa Rosa, New Mexico |
| Named by | N.H. Dalton |
| Year defined | 1919 |
  Santa Rosa Formation, New Mexico (the United States)  Santa Rosa Formation, New Mexico (New Mexico) | |
The Santa Rosa Formation is a geologic formation exposed in New Mexico that was deposited in the Carnian Age of the late Triassic Period.[1]