| Oswego Formation Stratigraphic range: Late Ordovician |
|
|---|---|
| Type | Formation |
| Underlies | Tuscarora Sandstone |
| Overlies | Juniata Formation |
| Location | |
| Region | West Virginia |
| Country | United States |
The Oswego Formation is a geologic formation in West Virginia. It dates back to the Ordovician period.