Anton Chico Formation
The Anton Chico Formation is a geologic formation exposed in New Mexico that was deposited in the Anisian Age of the middle Triassic Period.
| Anton Chico Formation | |
|---|---|
| Stratigraphic range: | |
Anton Chico Formation along I-25 in Glorieta Pass. The Anton Chico is the red beds at lower right. Overlying this is tan beds of the Santa Rosa Formation. | |
| Type | Formation |
| Underlies | Santa Rosa Formation |
| Overlies | Artesia Group |
| Thickness | 102 feet (31 m) |
| Lithology | |
| Primary | Sandstone |
| Other | Mudstone, Conglomerate |
| Location | |
| Coordinates | 35.2078°N 105.1431°W |
| Region | New Mexico |
| Country | United States |
| Type section | |
| Named for | Anton Chico, New Mexico |
| Named by | Lucas and Hunt |
| Year defined | 1987 |
Anton Chico Formation (the United States) Anton Chico Formation (New Mexico) | |
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