Quartermaster Formation and Whitehorse Group, undivided

Quartermaster Formation and Whitehorse Group, undivided
State Texas
Name Quartermaster Formation and Whitehorse Group, undivided
Geologic age Permian; Guadalupe Series
Lithologic constituents
Major
Sedimentary > Clastic > Mixed-clastic > Sandstone-mudstone (Bed)
Minor
Sedimentary > Chemical > Evaporite > Gypsum (Bed)
Sedimentary > Carbonate > Dolostone (Bed)
Comments shale, siltstone, sandstone, gypsum, and dolomite interbedded
References

Bureau of Economic Geology, 1974, San Angelo Sheet, Geologic Atlas of Texas, Bureau of Economic Geology, University of Texas at Austin, scale 1:250,000.

Bureau of Economic Geology, 1992, Geologic Map of Texas: University of Texas at Austin, Virgil E. Barnes, project supervisor, Hartmann, B.M. and Scranton, D.F., cartography, scale 1:500,000.

NGMDB product
Counties Carson - Collingsworth - Donley - Gray - Hemphill - Hutchinson - Moore - Oldham - Potter - Wheeler