Ringbone Formation
| Ringbone Formation | |
|---|---|
| Stratigraphic range: Campanian ~ | |
| Type | Geological formation |
| Underlies | Hidalgo Formation |
| Overlies | Mojado Formation |
| Thickness | 7,500 feet (2,300 m) |
| Lithology | |
| Primary | Mudstone |
| Other | Sandstone |
| Location | |
| Coordinates | 31°57′32″N 108°27′50″W / 31.959°N 108.464°W |
| Approximate paleocoordinates | 39°18′N 80°42′W / 39.3°N 80.7°W |
| Region | New Mexico |
| Country | United States |
| Type section | |
| Named for | Ringbone Ranch |
| Named by | S.G. Lasky |
| Year defined | 1938 |
The Ringbone Formation is a Campanian geologic formation in southwestern New Mexico.