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The East Texas iron ore belt spans several counties, including Cherokee, Upshur, Camp, Gregg, Harrison, and others. The geology of the region is dominated by the Weches greensand, which consists of glauconitic sand and clay. This greensand is underlain by various sedimentary formations, including the Queen City sand member and the Sparta sand.
Black Stone Minerals, L.P., or Black Stone Minerals, is a Houston, Texas-based oil and natural gas corporation. History The company was founded as W.T. Carter & Bro ...
The mineral species rich in yttrium-erbium were more particularly sought after because thorium and uranium were not used in the "glower" of the Nernst lamp. The Nernst Lamp Company, a subsidy of Westinghouse, then bought Barringer Hill and began mining, extracting a few hundred pounds of yttria minerals annually for a few years. Eventually ...
The Texas Gulf Sulphur Company was one of the largest sulfur mining companies in the world from 1919 to 1981. By 1925 the company controlled 40% of the U.S. sulfur market. [ 1 ] It was formed in 1909 and acquired in 1981, after expanding across the United States from Texas into Mexico, Canada, and Ethiopia.
Texas Precious Metals, based in Shiner, Texas, is one of the largest precious metals dealers in the United States. [ 3 ] [ 4 ] The company reported annual revenues of $180.1 million in 2013 [ 1 ] and $153.2 million in 2014. [ 2 ]
In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...