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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 ...
Crossbedding with foresets overturned or buckled in the down current direction, usually prior to deposition of the overlying bed. Foreset dip angle may also be altered by subsequent tectonic folding.
Industry:Mining
Crude copper matte of about 78% copper, obtained from the smelting of sulfide copper ores.
Industry:Mining
Crude oil obtained by the destructive distillation of bituminous coal.
Industry:Mining
Crude oils, heavy asphalt oils, tars, solutions of petroleum asphalt in gas oils, liquid asphalt, and emulsions of oils and water, used for laying dust on roads.
Industry:Mining
Crude ozokerite associated with earthy matter.
Industry:Mining
Crude potassium chloride obtained by solar evaporation of brine from a lake south of Gabes, Tunisia.
Industry:Mining
Crude puddled iron ready for squeezing or rolling.
Industry:Mining
Crude soda ash.
Industry:Mining
Crude sodium sulfate, a byproduct in the manufacture of nitric acid from sodium nitrate.
Industry:Mining
Crude sulfur free of discoloring impurities and bright yellow in color.
Industry:Mining
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