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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 ...
Lower Cambrian.
Industry:Mining
Lower Lower Miocene.
Industry:Mining
Lower or upper lower Eocene.
Industry:Mining
Lowering of oxygen content of ore by heating in reducing atmosphere.
Industry:Mining
Lowermost Paleocene or uppermost Cretaceous.
Industry:Mining
Low-grade mineralized rock into which an orebody degenerates.
Industry:Mining
Low-grade ores that are dumped loosely in piles on soil surfaces so that fluids may be sprinkled on the piles to leach recoverable metals.
Industry:Mining
Low-phosphorus pig iron treated in an acid (silica or sand)-lined furnace.
Industry:Mining
Low-priced model of a scraper or a truck.
Industry:Mining
Luminosity caused by chemical changes in a substance.
Industry:Mining
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