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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 ...
Peat, the nature of which is determined by the amount of rainfall.
Industry:Mining
Pebbles for grinding media, of superior hardness, toughness, and uniformity, found on the shores of Greenland.
Industry:Mining
Pebbles, usually of chert or quartz, used for grinding in mills where contamination with iron must be avoided.
Industry:Mining
Penalty incurred in accordance with governing laws and regulations when mining concessions, claims leases, rights, are not adequately, safely, and consistently developed and exploited. Compare: abandonment
Industry:Mining
Pennsylvania. Person who loads holes with explosives; a charger.
Industry:Mining
Pennsylvania. Said of coal moved underground in a small car.
Industry:Mining
Percent of metal in ore.
Industry:Mining
Percentage of fines and dust passing the 0.0117-in (0.30-mm) mesh or 48-mesh.
Industry:Mining
Peridotite in which the mafic mineral is almost entirely olivine, with accessory chromite almost always present. Named by Hochstetter in 1864 from Dun Mountain, New Zealand.
Industry:Mining
Permanent magnet or electromagnet used in crushing system to arrest or remove tramp iron ahead of the crushing machinery.
Industry:Mining
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