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alkali flat deposits

alkali flat deposits
StateTexas
Namealkali flat deposits
Geologic agePhanerozoic | Cenozoic | Quaternary | Holocene
Original map labelQaf
Commentsalkali and salt impregnated clay, dolomite, and very fine-grained sand; some intermittent salt lakes
Primary rock typeplaya
Secondary rock typeevaporite
Other rock typesclay or mud; sand; dolostone (dolomite)
Lithologic constituents
Minor
Sedimentary > Carbonate > Dolostone (Bed)
Unconsolidated > Fine-detrital > Silt (Bed)
Unconsolidated > Fine-detrital > Clay (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, 1968, Van Horn-El Paso Sheet, Geologic Atlas of Texas: Bureau of Economic Geology, The University of Texas at Austin, scale 1:250,000.
Geographic coverageCulberson - Hudspeth

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URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=TXQaf;0
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