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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 ...
Formed in place, without transportation, by the disintegration of the underlying rock or by the accumulation of organic material; said of some soils, etc.
Industry:Mining
Formed or existing at the same time. Said of lava flows interbedded in a single timestratigraphic unit, and generally of any feature or facies that develops during the formation of the enclosing rocks.
Industry:Mining
Formed or occurring beneath the Earth's surface, or situated within the Earth. Compare: subaerial subterrane.
Industry:Mining
Formed or produced in the place where now found. Applied to a rock the dominant constituents of which have been formed in situ; e.g., rock salt. Compare: allochthonous; authigenic.
Industry:Mining
Former name for a variety of goethite.
Industry:Mining
Former name for actinolite.
Industry:Mining
Former name for almandine.
Industry:Mining
Former name for aragonite.
Industry:Mining
Former name for argentite.
Industry:Mining
Former name for calciovolborthite.
Industry:Mining
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