| State | Texas |
|---|---|
| Name | Admiral and Coleman Junction Formations, undivided |
| Geologic age | Permian; Wolfcamp Series |
| Lithologic constituents |
Major
Sedimentary > Clastic > Mixed-clastic > Siltstone-mudstone (Bed)
Incidental
Sedimentary > Carbonate > Limestone (Bed)
|
| Comments | Mudstone, shale, sandstone, and limestone. mostly mudstone and shale. thickness of map unit about 230-290 ft |
| Stratigraphic units | Albany Group (revised), Wichita Group (revised), Overall Limestone, Hords Creek Limestone, |
| References | Bureau of Economic Geology, 1987, Wichita Falls-Lawton Sheet, Geologic Atlas of Texas: University of Texas at Austin, 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 | Archer - Baylor - Throckmorton - Young |