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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 ...
S. Wales. The head, or pressure per square inch, of a column of water in pumps, etc.
Industry:Mining
S. Wales. The person in charge of haulers in a coal mine and who controls the horse haulage traffic and the allocation of trams.
Industry:Mining
S. Wales. Very thin bands of ironstone in coal measures.
Industry:Mining
Safety catch in the rail track to stop tubs running back on inclines.
Industry:Mining
Safety device that holds doors shut or keeps trams in position.
Industry:Mining
Said of a body in which strain produces continuous, permanent deformation without rupture. Compare: elastic
Industry:Mining
Said of a body of rock or a mineral deposit, the fabric of which is identical throughout.
Industry:Mining
Said of a body of water characterized by a high level of plant nutrients, with correspondingly high primary productivity.
Industry:Mining
Said of a coal seam when the bed thins out.
Industry:Mining
Said of a diamond or other gemstone that is free from flaws of any description when observed by a trained eye under efficient illumination with a fully corrected magnifier of not less than 10 power.
Industry:Mining
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