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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 ...
An artificial ruby.
Industry:Mining
An artificial stone of crushed granite and cement.
Industry:Mining
An artificial substance having all the properties of a mineral.
Industry:Mining
An artificial-current conductive direct-current method of measuring ground resistivity which avoids polarization by continually reversing the current with a set of commutators.
Industry:Mining
An artificially blunted or shaped carbon or diamond cut to form a point conforming to a specific profile.
Industry:Mining
An artificially prepared clay mineral with calcium in place of magnesium.
Industry:Mining
An asbestiform antigorite serpentine.
Industry:Mining
An asbestiform variety of riebeckite; forms lavender-blue, indigo-blue, or leek-green silky fibers and massive and earthy forms; suited for spinning and weaving. Also spelled krokitolit.
Industry:Mining
An asbestiform variety of riebeckite; forms lavender-blue, indigo-blue, or leek-green silky fibers and massive and earthy forms; suited for spinning and weaving. Also spelled krokitolit.
Industry:Mining
An ascending or descending value of voltage related to a linear measurement, such as a distance along the Earth surface or ground.
Industry:Mining
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