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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 ...
The enlargement of a portion of a borehole caused by the eccentric rotation and slap of the drill rods.
Industry:Mining
The entire animal population, living or fossil, of a given area, environment, formation, or time span. Compare: flora
Industry:Mining
The entire mass of strata overlying a coal seam or a subsurface point of reference.
Industry:Mining
The entire plant population of a given area, environment, formation, or time span. Compare: fauna
Industry:Mining
The entire range of electrical energy, extending from the extremely long radio rays at one end to the extremely short X-rays at the other. The visible spectrum (visible light) is included.
Industry:Mining
The entire surface plant of the mine.
Industry:Mining
The entire world's oceans except for the portion lying shoreward of the outer limit of the territorial seas.
Industry:Mining
The entry and exit of any gaseous or hydrothermal fluid in solid rock to produce such rocks as granite. Compare: granitization
Industry:Mining
The environment embracing all rocks that contribute to the formation of a contemporaneous sedimentary deposit, including the agents responsible for their distribution. Compare: provenance
Industry:Mining
The equation for calculating a gas monolayer on a flat surface.
Industry:Mining
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