Casper Formation

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Casper Formation
Stratigraphic range: Permian
Sandstones (Casper Formation, Middle Pennsylvanian to Lower Permian; near Ayres Natural Bridge, Wyoming, USA) 12 (49145110141).jpg
Sandstones (Casper Formation)
Type Formation
Location
Region Wyoming
Country United States
Ayres Natural Bridge, consisting of sandstones from the Casper Formation 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, USA. It preserves fossils dating back to the Pennsylvanian period.

See also

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References