| State | Texas |
|---|---|
| Name | Dune sand sheet deposits |
| Geologic age | Holocene |
| Lithologic constituents |
Major
Unconsolidated > Coarse-detrital > Sand (Eolian)
Incidental
Unconsolidated > Fine-detrital > Silt (Eolian)
|
| Comments | Stabilized sand dune deposits Van Horn-El Paso Sheet (1968), Corpus Christi Sheet (1975) and (McAllen-Brownsville Sheet, 1976) strong relict eolian grain, includes active blowouts with depressed relief, hummocky, moderate to v. high permeability, low to mod. water-holding capacity. No data on thickness. |
| References | Bureau of Economic Geology, 1987, Wichita Falls-Lawton Sheet, Geologic Atlas of Texas: University of Texas at Austin, Bureau of Economic Geology, scale 1:250,000.Bureau of Economic Geology, 1976, McAllen-Brownsville Sheet, Geologic Atlas of Texas, Bureau of Economic Geology, University of Texas at Austin, scale 1:250,000.Bureau of Economic Geology, 1975, Corpus Christi Sheet, Geologic Atlas of Texas, Bureau of Economic Geology, University of Texas at Austin, scale 1:250,000.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. |
| NGMDB product | |
| Counties | Andrews - Bailey - Baylor - Briscoe - Brooks - Cameron - Carson - Childress - Clay - Collingsworth - Crane - Dallam - Donley - Ector - El Paso - Foard - Gaines - Gray - Hall - Hardeman - Hartley - Haskell - Hemphill - Hidalgo - Hudspeth - Hutchinson - Jim Hogg - Kenedy - Kleberg - Knox - Lipscomb - Moore - Motley - Oldham - Potter - Roberts - Starr - Stonewall - Throckmorton - Upton - Ward - Wheeler - Wichita - Wilbarger - Willacy - Winkler - Young |