Palo Pinto Formation

Palo Pinto Formation
State Texas
Name Palo Pinto Formation
Geologic age Pennsylvanian; Missouri Series
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Carbonate > Limestone (Bed)
Comments Sandstone, shale, and limestone; shale, gray, commonly calcareous, several sandstone lentils. Thickness 70-100 ft. Wiles Limestone, gray, fine- to- coarse-grained, irregularly bedded, thin- to medium-bedded, bioclastic, algae common, thickness 1-4 ft. Oran Sandstone, tan to brown, fine- to medium-grained, ferruginous, locally crossbedded, channel-fill bodies in lower part, massive upward, forms rounded bench, fossils plant fragments common in lower part, thickness up to 30 ft.
Stratigraphic units Wiles Limestone and Oran Sandstone
References

Bureau of Economic Geology, 1987, Wichita Falls-Lawton 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 Eastland - Jack - Palo Pinto - Parker - Stephens