Minerals and mineral products of Texas are presented alphabetically in this article. Three Texas plants produce aluminum oxide from imported aluminum ore bauxite.
Aluminum processing plants are located in Calhoun, Milam, and San Patricio counties. Although antimony ore is not produced in Texas, antimony ores are processed at a smelter in El Paso. Amphibole asbestos is associated with talc deposits in Hudspeth County.
Texas minerals inc asbestos occurs in some of the Precambrian metamorphic rocks of the Llano region. No asbestos is mined in Texas. Numerous deposits of asphalt-bearing rocks occur in Texas. Large amounts of the asphaltic limestone are quarried in Uvalde County for use chiefly as paving material.
Asphaltic Cretaceous sandstones, which are not currently quarried, occur in Cooke, Montague, Uvalde, and other counties. Deposits of barite are widely distributed in Texas, but most Texas minerals inc minor.
During the s barite was mined in the Seven Hart Gap area for use as a weighting agent in rotary-drilling muds. It is produced for aggregate, road ballast, and road material in Uvalde County. Beryllium minerals are present at several localities in the Trans-Pecos area of West Texas.
In recent years a beryllium prospect has been located in Hudspeth County near Sierra Blanca where several beryllium minerals are associated with fluorspar, but no production has been reported.
Bismuth occurs in association with molybdenum and gold in a Precambrian pegmatite dike at the Kiam prospect on Honey Creek in Llano County. It was found also in small quantities in the old Heath gold prospect in Llano County. No bismuth has been produced commercially in Texas.
Bleaching clays are used for refining petroleum products and to a lesser extent for refining vegetable oils. Texas bleaching clays are currently produced in Fayette and Gonzales counties. Brines containing strong concentrations of mineral salts occur in a variety of geological conditions in widely separated areas of Texas.
Shallow brines occur in broad shallow basins usually occupied in part by one or more saline playas or alkaline lakes. Surface and seep waters draining into the playas undergo rapid natural evaporation, resulting in the concentration of salts leached from soils and rocks of the drainage area.
Shallow brines are produced for sodium sulfate in Gaines and Terry counties. Brine reservoirs containing salts of sodium, calcium, magnesium, potassium, and other elements are present in the Permian Basin.
These aquifers lie at considerable depth and have not been produced commercially for their salts. In Trans-Pecos Texas shallow brines containing mainly common salt and gypsum occur in the Salt Basin in northern Culberson and Hudspeth counties.
Highly gypsiferous waters are present in eastern Culberson County and parts of Reeves County. No salts are produced from these brines. Local brine areas are known in the vicinity of salt domes in the Texas Coastal Plain. In parts of East Texas, some moderately strong brines occur in saliferous Tertiary formations not related to salt domes.
Bromine is extracted from seawater at Freeport in Brazoria County. Caliche occurs abundantly in surface and near-surface deposits in the semiarid and arid parts of Texas and is particularly abundant in the High Plains and the outcrop belt of the Goliad Formation of South Texas.
A large quantity of caliche is produced chiefly for road construction from numerous and widespread localities. These occurrences are small and have no commercial value. Extensive deposits of celestite are present in Brown and Nolan counties.
Small quantities of celestite were produced from these counties during the late s and early s. Most of the celestite produced in Texas has been used as a weighting agent in rotary-drilling fluids. Limestone and clay are the principal components used in the manufacture of cement.Texas Oil & Minerals, Inc.
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