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

Aspen Shale
Stratigraphic range: Cretaceous
TypeFormation
Location
RegionWyoming
CountryUnited States

See also

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References

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  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved December 17, 2021.