Eagle Ford Formation and Buda Limestone, undivided (TXKeb;0)

State	Texas
Name	Eagle Ford Formation and Buda Limestone, undivided
Geologic age	Phanerozoic \| Mesozoic \| Cretaceous-Late
Original map label	Keb
Comments	Eagle Ford Fm--Shale, siltstone, and limestone; upper part limest. and shale, ls lt-yellowish-brown, flaggy; lower part, siltst. and v. fine-grained sandst., lt-yellow to gray, laminated flaggy, some limestone, silty, med-brown, laminated, thickness 75-200 ft, thins NEward. Buda Ls--fine grained, bioclastic (mollusk-fragment-bearing), marly interbeds, commonly glauconitic, pyrite, hard, massive lt gray to pale orange; formation is 45-100 ft thick.
Primary rock type	fine-grained mixed clastic
Secondary rock type	limestone
Other rock types
Lithologic constituents	Major Sedimentary > Clastic > Mixed-clastic > Siltstone-Mudstone (Bed) Minor Sedimentary > Carbonate > Limestone (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, 1974, Austin Sheet, Geologic Atlas of Texas, University of Texas, Bureau of Economic Geology, scale 1:250,000.
Geographic coverage	Hays - Travis - Williamson