Three Forks Shale Explained

Three Forks Shale
Type:	Formation
Age:	Devonian
Region:	Montana
Country:	United States

The Three Forks Shale is a geologic formation in Montana and North Dakota. It preserves fossils dating back to the Devonian period.^[1]

See also

• List of fossiliferous stratigraphic units in Montana
• Paleontology in Montana

Notes and References

1. Web site: Fossilworks: Gateway to the Paleobiology Database. ((Various Contributors to the Paleobiology Database)). 17 December 2021.