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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 ...
In measuring water depth, the hand lead used in sounding.
Industry:Mining
Connector between an underground tub, car, truck, or tram, and endless rope haulage. A clip pulley has a broad rim into which studs are set, to grip links of a haulage chain.
Industry:Mining
Certain gems, e.g., zircon, topaz, or corundum, can be heated under controlled conditions to change their color to one that is more attractive.
Industry:Mining
High point of a structure.
Industry:Mining
Peat derived from water-loving mosses, chiefly sphagnum.
Industry:Mining
In rotary drilling, that part of the equipment functioning as a hoist to raise or lower drill pipe and in some types, to transmit power to the rotary table.
Industry:Mining
Driving a passage through to make connection with another part of the same workings, or with those in an adjacent mine.
Industry:Mining
Eng. A replacement of a coal seam over a greater or lesser area by some other rock, usually sandstone.
Industry:Mining
Immersion of clean steel or iron in bath of molten zinc for purpose of forming a protective coating. Sherardizing is the process of heating iron articles with zinc dust to a temperature at which a strong adherent coating is formed. Electrolytic galvanizing is the electrodeposition of zinc on the iron.
Industry:Mining
Process whereby the chemical composition of a magma is altered as a result of the assimilation of inclusions or country rock.
Industry:Mining