Unconsolidated > Fine-detrital > Clay
Sedimentary > Clastic > Sandstone
|Comments||Sandstone and clay. Sandst. med. grained, calcar., thick bedded, some crossbedding. fossil wood, chert, and quartz pebbles. vertebrate fossils and reworked Cretaceous invertebrate fossils. Clay, calcareous, yell-gray; forms cuesta of smoothly rounded hills. Thickness 200-500 ft|
Bureau of Economic Geology, 1974, Seguin 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.
|Counties||Bee - Brazos - DeWitt - Fayette - Gonzales - Grimes - Karnes - Lavaca - Washington|