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United States Bureau of Mines
업종: Mining
Number of terms: 33118
Number of blossaries: 0
Company Profile:
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 finely pulverized inert mineral or rock that is included in a manufactured product-- e.g., paper, rubber, and plastics--to impart certain useful properties, such as hardness, smoothness, or strength. Common mineral fillers include asbestos, kaolin, and talc.
Industry:Mining
A finely radiated variety of hematite exhibiting alternate bands of brown or yellow of varied tints.
Industry:Mining
A fine-mesh gauze used as a sieve for clay.
Industry:Mining
A finer classified fraction, which leaves via the vortex finder of a hydrocyclone.
Industry:Mining
A finishing tool designed to recover a broken drill rod or dropped tool from a borehole.
Industry:Mining
A fire clay composed mainly of fine white clay mixed with clean, sharp sand, found in pockets.
Industry:Mining
A fire in a mine continuing to smoulder for a long time, often many years.
Industry:Mining
A fire opal from Mexico.
Industry:Mining
A fire opal that exhibits only an overall color of golden yellow.
Industry:Mining
A firebrick composed essentially of hydrated alumina and ferric oxide. Such bricks are used for the lining of furnaces where a neutral material is required.
Industry:Mining
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