Whitehorse Group, undivided

Whitehorse Group, undivided
State Texas
Name Whitehorse Group, undivided
Geologic age Permian; Guadalupe Series
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Chemical > Evaporite > Gypsum (Bed)
Incidental
Sedimentary > Carbonate > Dolostone (Bed)
Comments Sandstone, sand, shale, gypsum, selenite, and dolomite, interbedded Sandst and sand fine-grain quartz, silty, locally gypsiferous, thin bedded -massive, shades of red mottled green. Shale sandy, massive, red. gypsum thin bedded - massive, white, pink. Dolomite, thin discont. beds assoc. with gypsum, gray. maximum thickness 650 ft on Big Spring Sheet, 350-700 ft thick on Plainview Sheet.
Stratigraphic units Claytonville Dolomite, Eskota Gypsum, Childress Dolomite
References

Bureau of Economic Geology, 1968, Plainview Sheet, Geologic Atlas of Texas, Bureau of Economic Geology, University of Texas at Austin, scale 1:250,000.

Bureau of Economic Geology, 1974, Big Spring Sheet, Geologic Atlas of Texas: University of Texas at Austin, Bureau of Economic Geology, 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 Armstrong - Briscoe - Childress - Coke - Collingsworth - Cottle - Dickens - Donley - Fisher - Hall - Irion - Kent - King - Mitchell - Motley - Nolan - Scurry - Stonewall - Tom Green