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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 ...
Emission by radioactive substances of quanta of energy corresponding to X-rays and visible light but with a much shorter wavelength than light. May be detected by gammaray Geiger counters.
Industry:Mining
Empirical index of grindability of ores or minerals, reached as result of comminution of a test sample under stated conditions of control.
Industry:Mining
Employed as an autogeneous matte smelting process for smelting copper-nickel concentrate.
Industry:Mining
Enclosed chamber of relatively small cross section in which gas, at substantially high atmospheric pressures, is circulated at high speed, 400 to 700 ft/s (120 to 210 m/s).
Industry:Mining
Enclosed light (candle or oil) carried by a mine worker.
Industry:Mining
Energy in the form of heat.
Industry:Mining
Energy required to separate the ions of an ionic crystal to an infinite distance from each other.
Industry:Mining
Energy that radiates or travels outward in all directions from a source.
Industry:Mining
Eng. A band of hard limestone consisting of numerous stromatoporoids, mainly a ramose species, Wenlock Limestone, Dudley.
Industry:Mining
Eng. A black carbonaceous shale, Yorkshire, Lancashire, South and North Staffordshire.
Industry:Mining