Potomac Group
The Potomac Group is a geologic group in Delaware, Maryland, New Jersey, and Virginia. It preserves fossils dating back to the Cretaceous period.
| Potomac Group Stratigraphic range: Cretaceous | |
|---|---|
| Type | Group |
| Sub-units | Patuxent Formation, Arundel Formation, Patapsco Formation, Raritan Formation |
| Underlies | Raritan Formation |
| Overlies | Boonton Formation |
| Location | |
| Region |     |
| Country |  |
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014.
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