Undivided part of Washita Group

Undivided part of Washita Group
State Texas
Name Undivided part of Washita Group
Geologic age Early Cretaceous; Comanchean Series
Lithologic constituents
Major
Unconsolidated > Fine-detrital > Clay (Bed)
Minor
Sedimentary > Carbonate > Limestone (Bed)
Unconsolidated > Marl (Bed)
Comments Thick clay units and thin limestone units; thickness 200 ft. Clayst., mudst., and sandst. Aphanitic limest. forms ledge, marine megafossils, alternating clay, marl, and limestone.
References

Bureau of Economic Geology, 1972, Dallas 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 Bosque - Erath - Hill - Hood - Johnson - McLennan - Parker - Somervell - Tarrant