| State | Texas |
|---|---|
| Name | Seven Rivers Formation |
| Geologic age | Permian; Guadalupe Series |
| Lithologic constituents |
Major
Sedimentary > Carbonate > Dolostone (Bed)
Minor
Sedimentary > Carbonate > Limestone (Bed)
|
| Comments | Dolomite, some dolomitic limestone, fine grained, medium to thick bedded, light gray to very pale orange; grades to Capitan Limestone northward (reefward); marine microfossils; thickness 440 ft. |
| Stratigraphic units | Carlsbad Group |
| References | Bureau of Economic Geology, 1968, Van Horn-El Paso Sheet, Geologic Atlas of Texas: Bureau of Economic Geology, The 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 | Culberson - Jeff Davis |