| Sadlerochit Group | |
|---|---|
| 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 group in Alaska. It is the main source of oil and gas for the Prudhoe Bay Oil Field. [1] It preserves fossils dating back to the Permian period.[ citation needed ]
