Marias River Shale
| Marias River Shale Stratigraphic range: Cretaceous | |
|---|---|
| Type | Formation |
| Location | |
| Region | Montana |
| Country | United States |
The Marias River Shale is a geologic formation in Montana. It preserves fossils dating back to the Cretaceous period.
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 8 July 2014.