Casper Formation

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Casper Formation
Stratigraphic range: Permian
File:Sandstones (Casper Formation, Middle Pennsylvanian to Lower Permian; near Ayres Natural Bridge, Wyoming, USA) 12 (49145110141).jpg
Sandstones (Casper Formation)
TypeFormation
Location
RegionWyoming
CountryUnited States
File:Ayres Natural Bridge (west of Douglas, Wyoming, USA) 11 (49144682401).jpg
Ayres Natural Bridge, consisting of sandstones from the Casper Formation

The Casper Formation is a geologic formation in Wyoming, US. It preserves fossils dating back to the Pennsylvanian period.

See also

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References

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