|Geologic age||Pennsylvanian; Des Moines Series|
Sedimentary > Clastic > Mudstone > Shale > Black-shale (Bed)
|Comments||from top to bottom: Goen Limestone, increasingly sandy southwestward (in Abilene Sheet) forms discontinuous lentisl at approx. same stratigraphic position, crinoid columnals, brachiopods, and corals locally abdt. gray to tan, thickness up to 2 ft. Dobbs Valley Sandstone, med. grained, locally calcareous, commonly massive, reddish-brown, outrp discontinuous, some interbedded sandy shales, forms scarp, thickness up to 45 ft. Santoi Limestone, dk. gray, fusulinids abdt., thickness 2-4 ft. Thickness of Mingus Formation (redefined) about 230 ft|
|Stratigraphic units||Goen Limestone, Dobbs Valley Sandstone, Santo Limestone, Strawn Group|
Bureau of Economic Geology, 1972, Abilene sheet, Geologic Atlas of Texas, Bureau of Economic Geology, 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.
|Counties||Eastland - El Paso - Erath - Hudspeth - Palo Pinto - Parker|