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United States Bureau of Mines
行业: 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 ...
Planned rate of ore extraction from mineral deposit.
Industry:Mining
Plants of wide geographic distribution having an affinity for absorbing certain metallic elements from the soil and which can be used in geochemical exploration to indicate presence of local concentrations of metals. Compare: universal plant indicator
Industry:Mining
Plants that grow naturally under salty conditions on a foreshore and that may materially help to prevent scour and stabilize sand dunes.
Industry:Mining
Plastic clay formerly used in England for making tobacco pipes; "pipe clay."
Industry:Mining
Plastic equilibrium obtained by a compression of a mass.
Industry:Mining
Plumblines, not less than two in number, hung from hooks driven in wooden plugs. A line drawn through the center of the two strings or wires, as the case may be, represents the bearing or course to be driven on.
Industry:Mining
Plural of foraminifer.
Industry:Mining
Plural of septarium.
Industry:Mining
Plural of stratum.
Industry:Mining
Pneumatic jig, used in regions where water is scarce, or where the ore must be kept dry, to concentrate values from sands.
Industry:Mining
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