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United States Bureau of Mines
行业: 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 ...
Quantity of broken rock (ore) in volume or weight per foot drilled or fired per quantity of explosive.
Industry:Mining
Quantity of electricity needed to raise system one unit of potential.
Industry:Mining
Quantity of material passed through the mill or a section thereof in a given time or at a given rate.
Industry:Mining
Quantity on hand at start of accounting period--ore, concentrates, stores, etc.
Industry:Mining
Quarrying a rock ledge as a single bench the full height of the quarry face.
Industry:Mining
Quarrymen's term to designate the place where the sheet structure dies out, or the place where two sheets appear to grow onto one another.
Industry:Mining
Quartz carrying no valuable mineral.
Industry:Mining
Quartz crystals containing needles of goethite or some other iron oxide. Compare: hairstone
Industry:Mining
Quartz crystals found near Hot Springs, AR.
Industry:Mining
Quartz crystals resembling a scepter in shape.
Industry:Mining
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