Devils River Limestone (TXKdv;0)

State	Texas
Name	Devils River Limestone
Geologic age	Phanerozoic \| Mesozoic \| Cretaceous-Early [Comanchean]
Original map label	Kdv
Comments	Limestone, dolostone; hard, miliolid, pellet, rudistid, shell fragment biosparite and lime mudstone; locally dolomitized and brecciated, and chert-bearing; rudistid mounds more common in upper part; nodular ls. in basal part; thickness about 700 ft in Uvalda and Medina Counties (San Antonio Sheet, 1974).
Primary rock type	limestone
Secondary rock type	dolostone (dolomite)
Other rock types	chert
Lithologic constituents	Major Sedimentary > Carbonate > Limestone (Bed) Minor Sedimentary > Carbonate > Dolostone (Bed) Incidental Sedimentary > Chemical > Chert (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, San Antonio Sheet, Geologic Atlas of Texas, University of Texas, Bureau of Economic Geology, scale 1:250,000.
Geographic coverage	Bandera - Edwards - Kinney - Medina - Real - Uvalde - Val Verde