- 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 ...
Material of a reddish color resulting from the combustion of coal shale and other mine waste in dumps on the surface.
Industry:Mining
Material of any nature that lies between two or more bedded ore zones or coal seams. Term is primarily used in surface mining.
Industry:Mining
Material placed around and between track ties and tamped under sides and ends of the ties to bring the track to proper grade by filling the space between the bottom of the ties and the graded roadbed.
Industry:Mining
Material that adheres to the conveying medium and, being carried beyond the discharge point, drops off along the return run.
Industry:Mining
Material that is the equivalent of, or better than, natural ore, can be put to the same uses, and is produced by means other than ordinary concentration, calcining, sintering, or nodulizing.
Industry:Mining
Material used for support in heavy ground and in large stopes to prevent failure of rock walls and to minimize or control subsidence and to make it possible to extract pillars of ore left in the earlier stages of mining. Material used for filling includes waste rock sorted in the stopes or mined from rock walls, mill tailing, sand and gravel, smelter slag, and rock from surface open cuts or quarries.
Industry:Mining
Material used in and/or the act or process of injecting small fragments of rock or coarse sand into a core barrel to wedge the core inside the barrel when no core lifter is used, as when using straightwall bits or drilling with a shot drill.
Industry:Mining
Materials developed since 1960 and being developed at present that exhibit greater strength, higher strength-density ratios, greater hardness, and/or one or more superior thermal, electrical, optical, or chemical properties, when compared with traditional materials (Sorrel, 1987) and with properties needed to perform a specific function and often entirely new functions.
Industry:Mining
Materials manufactured in electric furnaces and used for special purposes; e.g., zirconium carbide, titanium carbide, and silicon carbide.
Industry:Mining
