Gulfian rocks, undivided (TXKg;0)

State	Texas
Name	Gulfian rocks, undivided
Geologic age	Phanerozoic \| Mesozoic \| Cretaceous-Late
Original map label	Kg
Comments	Marl, shale, and argillaceous limestone. Fossils indicate correlation with central Texas units--Taylor, Austin, upper part of Eagle Ford; thickness 300 +- ft.
Primary rock type	mudstone
Secondary rock type	shale
Other rock types	limestone
Lithologic constituents	Major Sedimentary > Carbonate > Limestone (Bed) Sedimentary > Carbonate > Marlstone (Bed) Sedimentary > Clastic > Mudstone > Shale (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, 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
Geographic coverage	Brewster - Culberson - Jeff Davis - Pecos - Reeves