- 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 ...
The spontaneous heating and burning of small coal, carbonaceous shale, and perhaps iron pyrites in spoil heaps.
Industry:Mining
The spontaneous movement of an atom to a new site in a crystal of its own species, such as a copper atom within a crystal of copper.
Industry:Mining
The spontaneous or induced splitting, by particle collision, of a heavy nucleus into a pair (only rarely more) of nearly equal fission fragments plus some neutrons. Fission is accompanied by the release of a large amount of energy. Compare: fusion
Industry:Mining
The spotted, blotched, or variegated appearance of any mottled surface, such as of wood or marble; esp., in metallurgy, the appearance of pig iron of a quality between white and gray.
Industry:Mining
The spraying of mine roadways with water or treatment with a wetting agent in order to (1) increase the difficulty of raising the dust deposit into the air to take part in an explosion, and (2) reduce the flammability of the dust raised in an explosion.
Industry:Mining
The sprocket chain that carries the steel points used for undermining the coal with chain mining machines.
Industry:Mining
The stage on heating a clay whúž,he material is changed from the solid to the liquid state, but complete liquefaction occurs so gradually with most clays that a fusion range and not a fusion point is obtained.
Industry:Mining
