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barrier island deposits

barrier island deposits
State Texas
Name barrier island deposits
Geologic age Phanerozoic | Cenozoic | Quaternary
Comments mostly fine-grainded sand, shells scarce; surface slightly higher than that of surrounding deposits, characterized by numerous pimple mounds and poorly defined relict beach ridges; includes many Recent, locally active sand dunes; probably part of "Ingleside" barrier island system; thickness less than 60 ft.
Primary rock type sand
Secondary rock type silt
Other rock types
Lithologic constituents
Major
Unconsolidated > Coarse-detrital > Sand (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, 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, 1982, Houston Sheet, Geologic Atlas of Texas, Bureau of Economic Geology, University of Texas at Austin, scale 1:250,000.
Counties Aransas - Brazoria - Calhoun - Chambers - Jefferson - Kleberg - Nueces - Orange - Refugio