| State | Texas |
|---|---|
| Name | Jagger Bend and Valera Formations, undivided |
| Geologic age | Permian; Leonard Series |
| Lithologic constituents |
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)
Minor
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Mudstone (Bed)
Incidental
Sedimentary > Clastic > Sandstone (Bed)
|
| Comments | Shale, mudstone, limestone. Mostly shale in units 10-50 ft thick. tan, gray, reddish-brn mudstone locally interbedded, increa. abdt northword locally thin ss and ls lentils. ls in lower part mostly. Thickness of Jagger Bend and Valera Fms (undivided) 170-220 ft. |
| Stratigraphic units | Albany Group (revised), Wichita Group (revised) |
| 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 | Baylor - Callahan - Coleman - Concho - Shackelford - Throckmorton |