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United States Bureau of Mines
Industry: 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 ...
Rift; reed; cleavage way.
Industry:Mining
Right to legal claim on goods or property.
Industry:Mining
River placers not subject to overflows.
Industry:Mining
Riveted-seam or spiral-welded-seam, thin-wall pipe used as a conductor, standpipe, or casing in a borehole.
Industry:Mining
Roasted copper pyrites.
Industry:Mining
Roasting carried out to eliminate some but not all of the sulfur in an ore.
Industry:Mining
Roasting furnace with several hearths vertically superposed. Material is raked downward by horizontally rotating rabbles, so as to work alternately to the periphery and center of successive hearths, encountering roasting heat as it gravitates downward.
Industry:Mining
Roasting in which the heat generated by oxidation of the sulfides is sufficient to propagate the reaction.
Industry:Mining
Rock broken beyond the limits of the last row of holes marking the outer boundary in a blast.
Industry:Mining
Rock burst in which there is spitting, flaking, and sudden fracturing at the face, indicating increased pressure there.
Industry:Mining
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