Mineral Wells Formation (TXPAmw;0)

State	Texas
Name	Mineral Wells Formation
Geologic age	Phanerozoic \| Paleozoic \| Carboniferous Pennsylvanian [Missouri]
Original map label	IPmw
Comments	Mineral Wells Formation shale, sandstone, conglomerate, and limestone. (top to bott.) Turkey Creek Sandstone coarse grained, locally chert conglo., crossbedded, massive, reddish brown, 10-50 ft thick. Sandstone ss2 fine to cs. grained, thin beds to massive, brown, 10-12 ft thick feathers out southwestward. Dog Bend Limestone one to four discontinuous ls. units separated by shale; ls fine grained, sl. argillaceous, lt gray, units 1-3 ft thick, locally grades to sandst. Lake Pinto Sandstone med to fine grained, locally conglomeratic, thick beds, brown, 20-50 ft thick. Village Bend Limestone fine grained, locally sandy, thick beds, yell-gray weathers to sm. blocks, marine megafossils, forms laterally distontinous lentils, up to 3 ft thick. Sandstone ss1 locally conglo., crops near Mineral Wells, Texas, about 30-40 ft thick, feathers out southwestward near Mineral Wells, Texas. Hog Mountain Sandstone fine to med grained, thick to flaggy beds, brown, about 25 ft thick. Thickness of exposed part of Mineral Wells Fm. 275-700 ft thick, thickest near Mineral Wells, Texas. overlapping Cretaceous rocks cover upper third and other parts of formation including Turkey Creek Sandstone and Dog Bend Limestone, which are exposed on Abilene Sheet.
Primary rock type	sandstone
Secondary rock type	limestone
Other rock types	conglomerate; shale
Lithologic constituents	Major Sedimentary > Carbonate > Limestone (Bed) Sedimentary > Clastic > Sandstone (Bed) Minor Sedimentary > Clastic > Mudstone > Shale (Bed) Sedimentary > Clastic > Conglomerate (Bed)
Map references	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
Unit 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.
Geographic coverage	Eastland - Palo Pinto - Parker