Casper and Fountain Formations

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. Fountain Formation - Arkose and red sandstone.
State Wyoming
Name Casper and Fountain Formations
Geologic age Upper and Middle Pennsylvanian-Permian
Lithologic constituents
Sedimentary > Clastic > Sandstone
Sedimentary > Carbonate > Limestone
NGMDB product
Counties Albany - Laramie