Greyson Shale Explained

Greyson Shale
Type:	Formation
Age:	Precambrian
Region:	Montana
Country:	United States
Unitof:	Missoula Group^[1]

The Greyson Shale is a geologic formation in Montana. It preserves fossils.^[2]

See also

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

Notes and References

1. 17.
2. Web site: Fossilworks: Gateway to the Paleobiology Database. ((Various Contributors to the Paleobiology Database)). 17 December 2021. 25 March 2022. https://web.archive.org/web/20220325060448/http://www.fossilworks.org/cgi-bin/bridge.pl?action=home. dead.