Sadlerochit Group
| Sadlerochit Formation | |
|---|---|
| Stratigraphic range: Permian | |
Sadlerochit Group, geologic column | |
| Type | Formation |
| Location | |
| Region | Alaska |
| Country | United States |
The Sadlerochit Group (formerly the Sadlerochit Formation) is a geologic formation in Alaska. It is the main source of oil and gas for the Prudhoe Bay Oil Field. It preserves fossils dating back to the Permian period.