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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 ...
Enstatite or bronzite peridotite with poikilitic pyroxenes. Orthorhombic pyroxenes possess the poikilitic texture to a peculiar degree, and esp. when more or less altered to bastite, the term schiller is esp. applied to them.
Industry:Mining
Entire pattern of magnetization showing how a body with magnetic susceptibility can remain polarized after the disappearance of the original magnetizing force.
Industry:Mining
Entrance to an oven.
Industry:Mining
Equals 100,000 Btu (105,500 kJ).
Industry:Mining
Equals the number of cubic yards multiplied by the number of 100-ft (30.5-m) stations through which it is moved.
Industry:Mining
Equation relating variation of gravity with latitude, adopted by an international commission as best expressing the normal gravity field of the Earth to the approximation of an ellipsoid of revolution.
Industry:Mining
Equipment and materials from nuclear operations that are radioactive and for which there is no further use. Wastes are generally referred to as high-level (having radioactivity concentrations of hundreds to thousands of curies per gallon or per cubic foot); low-level (in the range of 1 microcurie per gallon or per cubic foot); and intermediate (between these extremes).
Industry:Mining
Equipment for the mechanical movement of dirt, ore, coal, or other material either horizontally or up an incline, by some form of conveyor, bucket, chain, or rope.
Industry:Mining
Equipment for thickening in which the concentrated suspension settles in a container of circular section and is delivered mechanically to one or more discharge points by a series of arms revolving slowly around a central shaft.
Industry:Mining
Equipment that is formally approved by the U.S. Mine Safety and Health Administration after having passed the inspections, the explosion tests, and other requirements specified by the Administration. (All equipment so approved must carry the official approval plate required as identification for permissible equipment.)
Industry:Mining