|Geologic age||Permian; Wolfcamp Series|
Sedimentary > Clastic > Mudstone > Claystone (Bed)
Sedimentary > Clastic > Sandstone (Bed)
|Comments||Fourth formation from the base of seven that comprise Cisco Group. Mostly poorly exposed mudstone; few thin v. fine grained ss beds. Includes a 70-100 ft thick interval of ss and mudst. in which channel sands are superimposed. Thickness of Pueblo Fm. 150-170 ft|
|Stratigraphic units||Cisco Group, Bowie Group (new)|
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.
|Counties||Brown - Callahan - Coleman - Eastland - McCulloch - Shackelford - Stephens - Throckmorton - Young|