Three Forks Shale
The Three Forks Shale is a geologic formation in Montana and North Dakota. It preserves fossils dating back to the Devonian period.[1]
| Three Forks Shale Stratigraphic range: Devonian | |
|---|---|
| Type | Formation |
| Location | |
| Region | Montana |
| Country | United States |
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
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