Aspen Shale Explained

Aspen Shale
Type:	Formation
Age:	Cretaceous
Region:	Wyoming
Country:	United States

The Aspen Shale is a geologic formation in Wyoming, United States. It preserves fossils dating back to the Cretaceous period.

See also

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

References

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