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United States Bureau of Mines
Industrie: 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 blast used to fragment and displace material from its original position to facilitate subsequent handling and crushing.
Industry:Mining
A blast with a small quantity of high explosives fired at some point in a borehole for the purpose of dislodging some foreign material that has fallen into it.
Industry:Mining
A blaster certified by a government agency to prepare, execute, and supervise blasting.
Industry:Mining
A blasthole drill.
Industry:Mining
A blasthole that has been fired, but has not done its work.
Industry:Mining
A blasting explosive composed of ammonium nitrate and resin.
Industry:Mining
A blasting explosive consisting of a mixture of guncotton with a nitrate and sometimes a nitro compound.
Industry:Mining
A blasting explosive containing sodium nitrate, sulfur, coal, and a little nitroglycerin.
Industry:Mining
A blasting hole, usually drilled horizontally or at a slight inclination into the base of a bank, bench, or slope of a quarry or open pit mine.
Industry:Mining
A blasting machine in which electrical energy, stored in a capacitor, is discharged into a blasting circuit containing electric detonators.
Industry:Mining
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