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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 a compressor, explosions of mixtures of air and lubricating oil in the compression chambers or other parts of the air system.
Industry:Mining
In a contract, returns from the ore, less the smelting charges, without deducting transportation charges.
Industry:Mining
In a crawler machine, a roller that supports the slack upper part of the track.
Industry:Mining
In a crystal structure, a cation with three anions around it at the points of a triangle, e.g., C in a CO<sub>3 2-</sub>group.
Industry:Mining
In a crystal structure, the substitution of a trace element for a major element of lower valence; e.g., Ba<sub>+2</sub>for K<sub>+</sub>. Captured trace elements generally have a higher concentration relative to the major element in the mineral than in the fluid from which it crystallized. Compare: admittance; camouflage.
Industry:Mining
In a crystal, a row of atoms or ions marking the edge of a crystallographic plane extending only part way. Compare: line defect
Industry:Mining
In a cupola furnace, an annular air space around the furnace, from which air is forced into the furnace.
Industry:Mining
In a dipper shovel, the boom swivel block through which the stick slides when crowded or retracted.
Industry:Mining
In a dipper shovel, the hinge on which the stick pivots when the bucket is hoisted.
Industry:Mining
In a dragline or hoe, the line that pulls the bucket toward the shovel.
Industry:Mining