### Mineral Resources On-Line Spatial Data

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## Buda Limestone
Buda Limestone

State 

### Texas
Name 

### Buda Limestone Geologic age 

### Phanerozoic | Mesozoic | Cretaceous-Early Original map label 

### Kbu
Comments 

### In Eastern part of Trans-Pecos and High Plains- Bud a

Ls--fine grained, bioclastic, commonly glauconitic, pyrite, hard, massive, poorly bedded to nodular, ltgray to pale orange; urrows filled with chalky marl, abd t pelecypods; formation is as much as 45 ft thick. In Western part of Trans-Pecos Texas- Buda Ls--upper part-- thin to thick beds, resistant, few chert nod ules; middle--interbedded gray ls, marl, and calc shale, limonite nodules; lower--fossilif., aphanitic ls, t hin to thick beds; formation is 200-350 ft thick. In North , central, and south Texas including Quaternary for a ll of west Texas- Buda Ls--fine grained, bioclastic (moll uskfragment-bearing), marly interbeds, commonly glauconitic, pyrite, hard, massive lt gray to pale orange; formation is 45-100 ft thick. Primary rock type 

### limestone Secondary rock type Other rock types Lithologic constituents 

### Major Sedimentary > Carbonate > Limestone (Bed) 

### Minor Sedimentary > Clastic > Mudstone > Shale (Bed) Sedimentary > Carbonate > Marlstone (Bed) Map references Bureau of Economic Geology, 1992, Geologic Map of Texas:

University of Texas at Austin, Virgil E. Barnes, pr oject supervisor, Hartmann, B.M. and Scranton, D.F., cartography, sca le 1:500,000

Unit references 

### Page 1 of 2 Buda Limestone (TXKbu;0)

10/21/2014 http://mrdata.usgs.gov/geology/state/sgmc

- unit.php?unit=TXKbu%3B0Bureau of Economic Geology, 1974, San Antonio Sheet , Geologic Atlas of Texas, University of Texas, Bureau of Econ omic Geology, scale 1:250,000. Bureau of Economic Geology, 1979, Marfa Sheet, Geol ogic Atlas of Texas: Bureau of Economic Geology and The Universit y of Texas at Austin, scale 1:250,000. Bureau of Economic Geology, 1976, Pecos Sheet, Geol ogic Atlas of Texas: University of Texas at Austin, Bureau of Eco nomic Geology, scale 1:250,000. Bureau of Economic Geology, 1977, Del Rio Sheet, Ge ologic Atlas of Texas, University of Texas, Bureau of Economic Geol ogy, scale 1:250,000. Bureau of Economic Geology, 1981, Llano sheet, Geol ogic Atlas of Texas, Bureau of Economic Geology, University of Te xas at Austin, scale 1:250,000. Bureau of Economic Geology, 1970, Waco Sheet, Geolo gic Atlas of Texas, University of Texas, Bureau of Economic Geol ogy, scale 1:250,000. Bureau of Economic Geology, 1974, Austin Sheet, Geo logic Atlas of Texas, University of Texas, Bureau of Economic Geol ogy, scale 1:250,000.
Geographic coverage Brewster - Crockett- Culberson - Edwards- Hudspeth - Irion - Jeff Davis - Kimble - Kinney - Menard - Pecos - Reagan - Reeves - Schleicher

- Sutton - Terrell - Tom Green - Upton - Uvalde - Val Verde 

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U.S. Department of the Interior | U.S. Geological Survey URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php? unit=TXKbu;0 Page Contact Information: Peter Schweitzer 

### Page 2 of 2 Buda Limestone (TXKbu;0)

10/21/2014 http://mrdata.usgs.gov/geology/state/sgmc

- unit.php?unit=TXKbu%3B0