State | Texas |
---|---|
Name | Buda Limestone and Eagle Mountain Sandstone, undivided |
Geologic age | Late Cretaceous |
Lithologic constituents |
Major
Sedimentary > Carbonate > Limestone (Bed)
Minor
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Carbonate > Marlstone (Bed)
|
Comments | Mapped in Quitman and Van Horn Mtns., south Hudspeth and Culberson Cos., TX. Buda Ls--upper part-- thin to thick beds, resistant, few chert nodules; middle--interbedded gray ls, marl, and calc shale, limonite nodules; lower--fossilif., aphanitic ls, thin to thick beds; formation is 200-350 ft thick. Eagle Mountain Sandstone--about 70-130 ft of interbedded brown sandst. brown, shale, siltstone, and sandy limestone. Sandst. v. fine grained quartz, calcareous, ferruginous, crossbedded in part, thin bedded, yell-brn; some beds of limestone and olive-gray shale. |
References | Gillerman, Elliot, 1953, U.S. Geological Survey Bulletin 987, p. 11https://pubs.er.usgs.gov/publication/b987 Twiss, P.C., 1959, Texas University Bureau of Economic Geology Quadrangle Map 23.Bureau of Economic Geology, 1979, Marfa Sheet, Geologic Atlas of Texas: Bureau of Economic Geology and The 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. |
NGMDB product | |
Counties | Culberson - Hudspeth - Jeff Davis |