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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 ...
A mineral that may be flattened or deformed by hammering without breaking, for example, native copper or gold.
Industry:Mining
A mineral trimorphous with monoclinic hilgardite and triclinic hilgardite.
Industry:Mining
A mineral vein accompanied by faulting or dislocation.
Industry:Mining
A mineral vein deposited in a fault fissure.
Industry:Mining
A mineral whose crystal structure has been disrupted by radiation from contained radioactive particles.
Industry:Mining
A mineral whose presence in a rock is theoretically possible on the basis of certain chemical analyses. A normative mineral may or may not be actually present in the rock.
Industry:Mining
A mineral whose structure consists of alternating layers of clay minerals and/or mica minerals; e.g. chlorite, made up of alternating biotite and brucite sheets.
Industry:Mining
A mineral with crystals or fibers arranged around a center point, for example, stibnite.
Industry:Mining
A mineral with crystals or fibers arranged around a center point, for example, stibnite.
Industry:Mining
A mineral with fluorine as its chief anion.
Industry:Mining
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