1. Mineral Resources
  2. Online Spatial Data
  3. Geology
  4. by state
  5. Wyoming

Casper and Fountain Formations

XML
JSON
Shapefile
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
Major
Sedimentary > Clastic > Sandstone
Sedimentary > Carbonate > Limestone
References

Love, J.D. and Christiansen, A.C., 1985, Geologic Map of Wyoming: U.S. Geological Survey, scale 1:500,000.

https://pubs.er.usgs.gov/publication/70046739
NGMDB product
Counties Albany - Laramie