Casper Formation

Gray, tan, and red thick-bedded sandstone underlain by interbedded sandstone and pink and gray limestone. May include some Devonian(?) sandstone along east flank of Laramie Mountains.
State Wyoming
Name Casper Formation
Geologic age Upper and Middle Pennsylvanian-Permian
Lithologic constituents
Sedimentary > Carbonate > Limestone
Sedimentary > Clastic > Sandstone
NGMDB product
Counties Albany - Converse - Natrona