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Quaternary deposit, undivided

sand, silt, clay, and gravel. locally indurated with calcium carbonate (caliche); includes point bar, natural levee, stream channel, sand dune, terrace, alluvial fan, landslide bolson and playa deposits
State Texas
Name Quaternary deposit, undivided
Geologic age Phanerozoic | Cenozoic | Quaternary
Primary rock type sand
Secondary rock type silt
Other rock types clay or mud; gravel; carbonate
Lithologic constituents
Major
Unconsolidated > Coarse-detrital (Bed)
Unconsolidated > Fine-detrital (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, 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
Counties Archer - Armstrong - Bandera - Baylor - Borden - Brewster - Briscoe - Brown - Burnet - Callahan - Childress - Coke - Coleman - Collingsworth - Concho - Cottle - Crane - Crockett - Crosby - Dawson - Deaf Smith - Denton - Dickens - Dimmit - Duval - Ector - Edwards - Fisher - Floyd - Foard - Garza - Gillespie - Glasscock - Gray - Hall - Hansford - Hardeman - Harrison - Haskell - Hays - Hemphill - Hill - Hood - Hopkins - Howard - Hunt - Hutchinson - Irion - Johnson - Jones - Kent - Kimble - King - Kinney - Knox - Lampasas - La Salle - Limestone - Lipscomb - Llano - Loving - Lubbock - Lynn - McCulloch - Marion - Martin - Mason - Maverick - Medina - Menard - Midland - Mills - Mitchell - Motley - Navarro - Nolan - Ochiltree - Oldham - Palo Pinto - Parker - Pecos - Potter - Reagan - Real - Reeves - Roberts - Runnels - San Saba - Schleicher - Scurry - Shackelford - Somervell - Starr - Sterling - Sutton - Taylor - Terrell - Throckmorton - Tom Green - Upton - Uvalde - Val Verde - Ward - Webb - Wheeler - Williamson - Young - Zapata - Zavala