Undivided parts of Washita and Fredericksberg Groups

Undivided parts of Washita and Fredericksberg Groups
State Texas
Name Undivided parts of Washita and Fredericksberg Groups
Geologic age Early Cretaceous
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Mudstone > Claystone (Bed)
Minor
Sedimentary > Carbonate > Marlstone (Bed)
Sedimentary > Clastic > Mudstone > Shale (Bed)
Comments calcareous clay, argillaceous limestone, marl, and shale about 100- 140 ft in Waco Sheet
References

Bureau of Economic Geology, 1970, Waco Sheet, Geologic Atlas of Texas, University of Texas, 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 Bell - Coryell - Lampasas