Fusselman Formation
| Fusselman Formation | |
|---|---|
| Stratigraphic range: | |
Fusselman Formation at Quartzite Ridge, Lake Valley, New Mexico, USA | |
| Type | Formation |
| Sub-units | Chamberino Member, Flag Hill Member, Crazycat Member |
| Underlies | Percha Formation |
| Overlies | Montoya Group |
| Thickness | 1,400 meters (4,600 ft) |
| Lithology | |
| Primary | Dolomite |
| Location | |
| Coordinates | 31°53′14″N 106°28′40″W / 31.8873°N 106.4779°W |
| Region | Texas |
| Country | United States |
| Type section | |
| Named by | G.B. Richardson |
| Year defined | 1908 |
The Fusselman Formation is a geologic formation in westernmost Texas and southern New Mexico. It preserves fossils dating back to the early Silurian period.