Marias River Shale
Appearance
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
[edit]References
[edit]- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.