| Tucumcari Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Formation |
| Underlies | Mesa Rica Sandstone |
| Overlies | Morrison Formation |
| Lithology | |
| Primary | Shale |
| Other | Sandstone |
| Location | |
| Coordinates | 35°07′59″N 103°42′30″W / 35.1329442°N 103.7083319°W |
| Region | New Mexico |
| Country | United States |
| Type section | |
| Named for | Mount Tucumcari |
| Named by | Dobrovolny and Summerson |
| Year defined | 1947 |
  Tucumcari Formation (the United States)  Tucumcari Formation (New Mexico) | |
The Tucumcari Formation is a geologic formation in New Mexico. It preserves fossils dating back to the Albian Age of the early Cretaceous period.[1][2][3]