Sand Resources of Texas Gulf Coast

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Garner, L.E.

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University of Texas at Austin. Bureau of Economic Geology


This report deals with the occurrence and potential production of industrial sand in the Gulf Coast area of Texas. The study area covers approximately 23,000 square miles underlain by alluvial, deltaic, beach, and eolian deposits of Pleistocene and Recent age. Deposits are intermixed and interbedded sands, gravels, silts, and clays. Sand bodies are irregular in size and shape depending on environment of deposition; they vary in physical character and mineralogical and chemical composition. Pleistocene sand deposits along the Texas Gulf Coast occur in the Willis, Lissie, Montgomery, and Beaumont Formations which underlie regional coastwise terraces or erosional surfaces. Recent deposits include those currently being deposited along the modern coast and major streams. The report includes Aransas, Austin, Brazoria, Calhoun, Cameron, Colorado, Chambers, Fort Bend, Galveston, Harris, Hardin, Hidalgo, Jackson, Jefferson, Kleberg, Kenedy, Liberty, Matagorda, Nueces, Orange, Refugio, San Patricio, Victoria, Wharton, Waller, and Willacy counties. There is current industrial sand production within this area in Columbus, Hardin, and Liberty counties. A few other sand deposits have a relatively low content of iron oxide and suitable grain size, but most deposits require beneficiation to meet specifications for industrial use. Most counties have some constructional sand or gravel production.


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