Flagstaff Formation
| Flagstaff Formation | |
|---|---|
| Stratigraphic range: Paleogene | |
Angular unconformity - Flagstaff Formation over Twist Gulch Formation (Salina Canyon, central Utah) | |
| Type | Formation |
| Location | |
| Region | Utah |
| Country | United States |
The Flagstaff Formation is a geologic formation in Utah. It preserves fossils dating back to the Paleogene period.