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Frazier Quarry, company founded in 1915 as Betts Quarry and based in Harrisonburg, Virginia in the Shenandoah Valley. The company is the only producer of Shenandoah Valley Bluestone (limestone) Big Run Quarry Site, near Luray, Virginia, NRHP-listed, an archaeological site in Shenandoah National Park.
Carbonate rocks are a class of sedimentary rocks composed primarily of carbonate minerals. The two major types are limestone, which is composed of calcite or aragonite (different crystal forms of CaCO 3), and dolomite rock (also known as dolostone), which is composed of mineral dolomite (CaMg (CO 3) 2). They are usually classified based on ...
A carbonate is a salt of carbonic acid, H 2 CO 3, [2] characterized by the presence of the carbonate ion, a polyatomic ion with the formula CO 2− 3. The word "carbonate" may also refer to a carbonate ester , an organic compound containing the carbonate group O=C(−O−) 2 .
Category. : Carbonates. Wikimedia Commons has media related to Carbonates. Carbonates are salts, esters, and natural minerals with the carbonate anion (CO 32−). They tend to be of a basic pH.
Celanese Corporation, formerly known as Hoechst Celanese, is an American technology and specialty materials company headquartered in Irving, Texas. [3] It is a Fortune 500 corporation. The company is the world's leading producer of acetic acid , producing about 1.95 million tonnes per year, representing approximately 25% of global production. [ 4 ]
Carbonatite (/ kɑːrˈbɒnəˌtaɪt /) is a type of intrusive or extrusive igneous rock defined by mineralogic composition consisting of greater than 50% carbonate minerals. [ 1 ] Carbonatites may be confused with marble and may require geochemical verification. Carbonatites usually occur as small plugs within zoned alkalic intrusive complexes ...
Pages in category "Carbonate minerals" The following 133 pages are in this category, out of 133 total. This list may not reflect recent changes. ...
The Michigan Limestone and Chemical Company, founded in 1910, began operation in 1912. Purchased by Carl D. Bradley and the United States Steel Corporation in 1920, the company came under the ownership of U.S. Steel upon Bradley's death in 1928. In 1951 the company became a division of the corporation.