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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 ...
Short sluice, hand-oscillated; used in gold prospecting and fossicking.
Industry:Mining
Short struts to prevent a sill or other member from being pushed out of place.
Industry:Mining
Shot firing in wet holes. Special explosives are available for wet conditions, and the detonator wires must be well insulated to prevent short-circuiting and misfires.
Industry:Mining
Shotholes drilled along the floor of a tunnel for lifting the rock to floor level. They are fired after the cut holes, or by delay detonators in the round.
Industry:Mining
Showing principles of construction or operation, without accurate mechanical representation.
Industry:Mining
Shows movement of a pointer by means of an illuminated scale.
Industry:Mining
Shrop. Fragile sandstone.
Industry:Mining
Side slicing as a method of stoping massive deposit. Alternative to top slicing.
Industry:Mining
Sieves are standardized in British Standard 410 and sieve size diamond powders in British Standard 1987.
Industry:Mining
Silica glass made from clear pieces of vein quartz.
Industry:Mining
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