| State | Texas |
|---|---|
| Name | Gulfian rocks, undivided |
| Geologic age | Late Cretaceous |
| Lithologic constituents | Major
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Carbonate > Marlstone (Bed)
|
| Comments | Marl, shale, and argillaceous limestone. Fossils indicate correlation with central Texas units--Taylor, Austin, upper part of Eagle Ford; thickness 300 +- ft. |
| References | 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 | Brewster - Culberson - Jeff Davis - Pecos - Reeves |