- Branche: Mining
- Number of terms: 33118
- Number of blossaries: 0
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The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
A colloidal form of aluminum hydroxide, Al<sub>2</sub>O<sub>3</sub>.H<sub>2</sub>O , occurring as one of the constituents of bauxite.
Industry:Mining
A colloidal form of aluminum hydroxide, Al<sub>2</sub>O<sub>3</sub>.H<sub>2</sub>O , occurring as one of the constituents of bauxite.
Industry:Mining
A colloidal form of aluminum hydroxide, Al<sub>2</sub>O<sub>3</sub>.H<sub>2</sub>O , occurring as one of the constituents of bauxite.
Industry:Mining
A colloquial British term for dolerite, basalt, and other dark fine-grained igneous rocks. The term is derived from the Whin Sill in northern England. Compare: trap.
Industry:Mining
A colloquial term for geology of igneous and metamorphic rocks, as opposed to softrock geology.
Industry:Mining
A colloquial term for geology of sedimentary rocks, as opposed to hardrock geology.
Industry:Mining
A colloquial term used in south-central Missouri for a chalky, porous, weathered chert with a white to tan or buff color. Etymol. corruption of kaolin, to which the material bears a slight resemblance.
Industry:Mining
A colloquial term used in the Wisconsin lead-mining region for an offshoot or branch of a main lode.
Industry:Mining
A color designation meaning violet to purplish, used as in amethystine glass and amethystine sapphire.
Industry:Mining