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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 ...
An ore reserve estimation method in which assay and other data are projected to predetermined planes and the areas of influence of the assay data are determined mainly by judgment. This method is helpful not only for ore reserve computations, but also to mine planning.
Industry:Mining
An ore shoot located at the intersection of one vein or vein system with another. It is a common type of ore deposit.
Industry:Mining
An ore shoot that is localized by geologic structure. Changes in strike and dip of fissures are favorable sites for ore shoots.
Industry:Mining
An ore texture showing minute blebs or rounded inclusions of one mineral irregularly distributed in another.
Industry:Mining
An ore that needs preliminary treatment before it is of a sufficiently high grade to be acceptable for shipment or market. Compare: first-class ore
Industry:Mining
An ore that needs preliminary treatment before it is of a sufficiently high grade to be acceptable for shipment or market. Compare: first-class ore
Industry:Mining
An ore treatment using chlorine to produce a metal chloride.
Industry:Mining
An ore-beneficiation apparatus consisting essentially of a rubber belt traveling up a slight inclination. The material to be treated is washed by a constant flow of water while the entire belt is shaken from side to side.
Industry:Mining
An orebody that is exposed on one side, or shows only one face, and of which the values can be determined only in a prospective manner, as deducted from the general condition of the mine or prospect.
Industry:Mining
An ore-crushing machine, consisting of a pair of cast-iron rollers, for grinding roasted ore.
Industry:Mining