- 行业: Mining
- Number of terms: 33118
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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 term that has been applied as a syn. of diatomite, in reference to the material from the north African location of Tripoli. It has also been used, less correctly, as a syn. of tripoli.
Industry:Mining
A term that has been given to the processes of excavating and transporting coal or other material by water energy.
Industry:Mining
A term that has been given to the processes of excavating and transporting coal or other material by water energy.
Industry:Mining
A term that has been used somewhat in the Western United States for manganese ore.
Industry:Mining
A term that may be applied to mined amber to distinguish it from sea amber. Compare: earth amber
Industry:Mining
A term that originally was applied only to water that occurs in the upper part of the zone of saturation under water-table conditions (syn. of unconfined ground water, or well water), but has come to be applied to all water in the zone of saturation, thus making it an exact syn. of ground water.
Industry:Mining
A term used by foundrymen to refer to a sand that, as mined, contains sufficient bonding material for molding purposes.
Industry:Mining
A term used by quarrymen to denote a light-colored gneiss, aplite, or pegmatite.
Industry:Mining
A term used by some geologists for a minor orogeny, e.g., the Palisades disturbance. Schuchert (1924) used revolution for a major orogeny at the end of an era, and disturbance for an orogeny within an era; this usage is obsolete.
Industry:Mining
A term used by the Maoris of New Zealand for bowenite, a massive variety of antigorite. Also spelled tangiwai or tangawaite.
Industry:Mining
