Antlers Sand (TXKa;0)

State	Texas
Name	Antlers Sand
Geologic age	Phanerozoic \| Mesozoic \| Cretaceous-Early
Original map label	Ka
Comments	In Eastern part of Trans-Pecos and High Plains: Sand, clay, and conglomerate. Lower and upper parts mostly sand; middle part chiefly clay; grades northward to interbedded sand and clay. Sand, fine to cs. grained, conglomeratic in lower part, clayey in upper part, brownish-yellow. Conglomerate, chert, quartz, and quartzite as pebbles and granules. Thickness 500-650 ft Sandstone, claystone, and conglomerate. Thickness as much as 200 ft, variable because of irreg. surface on which it was deposited.
Primary rock type	sand
Secondary rock type	clay or mud
Other rock types	conglomerate; sandstone; claystone
Lithologic constituents	Major Sedimentary > Clastic > Sandstone (Bed) Sedimentary > Clastic > Mudstone > Claystone (Bed) Sedimentary > Clastic > Sandstone (Bed) Minor Sedimentary > Clastic > Conglomerate (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, 1967, Sherman Sheet, Geologic Atlas of Texas: University of Texas at Austin, Bureau of Economic Geology, scale 1:250,000. Bureau of Economic Geology, 1976, Brownwood sheet, Geologic Atlas of Texas, Bureau of Economic Geology, University of Texas at Austin, scale 1:250,000.
Geographic coverage	Andrews - Brown - Callahan - Coke - Coleman - Comanche - Concho - Cooke - Denton - Eastland - Ector - Glasscock - Grayson - Howard - Irion - Jack - McCulloch - Martin - Mason - Menard - Midland - Mitchell - Montague - Nolan - Pecos - Runnels - Stephens - Sterling - Taylor - Tom Green - Wise