State | Texas |
---|---|
Name | Pawpaw Formation, Weno Limestone, and Denton Clay, undivided |
Geologic age | Early Cretaceous |
Lithologic constituents |
Major
Sedimentary > Clastic > Mudstone > Claystone (Bed)
Minor
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Carbonate > Marlstone (Bed)
|
Comments | Pawpaw--calcareous marl, near middle soft ledge-forming limestone bed, unit as a whole recessive; thickness as much as 10 ft, thins southward. Weno Limestone, some very thin marl interbeds, thin to medium bedded, white to grayish yellow, basal 2-4- ft-thick resistant ledge forms uplands; thickness 6-45 ft. Denton clay alternating clay, marl, and limestone. Thickness 6-25 ft thins southward. |
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 | Cooke - Denton - Grayson - Tarrant |