| Tesuque Formation | |
|---|---|
| Stratigraphic range: Miocene, | |
 Tesuque Formation at its type area, Tesuque, New Mexico. This is the Nambe Member. | |
| Type | Formation |
| Unit of | Santa Fe Group |
| Sub-units | See text |
| Underlies | Chamita Formation, Ancha Formation |
| Overlies | Espinaso Formation, Abiquiu Formation |
| Thickness | 2,100 m (6,900 ft) |
| Lithology | |
| Primary | Siltstone |
| Other | Sandstone, conglomerate |
| Location | |
| Coordinates | 35°44′46″N 105°55′20″W / 35.74611°N 105.92222°W |
| Region | New Mexico |
| Country | United States |
| Type section | |
| Named for | Tesuque, New Mexico |
| Named by | Brewster Baldwin |
| Year defined | 1956 |
  Tesuque Formation (the United States)  Tesuque Formation (New Mexico) | |
The Tesuque Formation is a geologic formation in north-central New Mexico, United States. The formation provides an unusually complete record of the evolution of mammals during the Miocene epoch.