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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 ...
Any igneous rock made up of bands of differing chemical or mineral composition, usually an alternation of two rock types; a layered intrusion. The structure has been attributed to rhythmic crystal settling during convection.
Industry:Mining
Any inferior or impure rock; the Inferior Oolite, Bath, U.K.
Industry:Mining
Any installation where salt is produced commercially, as by extraction from seawater, from wells, or from the brine of salt springs.
Industry:Mining
Any installation where salt is produced commercially, as by extraction from seawater, from wells, or from the brine of salt springs.
Industry:Mining
Any ion which leaves the surface of a solid immersed in aqueous liquid before equilibrium (saturation point) has been reached, while an electrical double layer is building up and zeta-potential develops.
Industry:Mining
Any joint between two pipes that permits one of them to be deflected without disturbing the other pipe.
Industry:Mining
Any kind of action that affects a surface; e.g., action of smoke fumes, moisture, etc., on a painted surface.
Industry:Mining
Any ladle used in skimming; specif., a ladle used for pouring molten metal, having its lip covered with a guard to retain the dross.
Industry:Mining
Any large crystal developed in a metamorphic rock by recrystallization, such as garnet or staurolite in mica schists.
Industry:Mining
Any level surface, such as mean sea level, used as a reference from which elevations are reckoned; a datum plane.
Industry:Mining
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