| Empire Formation | |
|---|---|
| Stratigraphic range: Neogene | |
| Type | Formation |
| Underlies | Port Orford Formation |
| Location | |
| Region | Oregon |
| Country | United States |
The Empire Formation is a geologic formation in Oregon. It preserves fossils dating back to the Neogene period.[ citation needed ] It underlies the Port Orford Formation. [1]