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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 ...
Pipes used on some washboxes instead of a refuse worm.
Industry:Mining
Piping formed from wood boards fitted and strapped together by encircling steel bands.
Industry:Mining
Placed at intervals along tailings line to compensate for slope in excess of that required to keep the pulp moving gently through its launders or pipes.
Industry:Mining
Placement of the blasting cap in the first cartridge going into the borehole with the business end pointing toward the collar. Recommended method of priming charges of permissible dynamite.
Industry:Mining
Placer or detrital deposits are composed of minerals that have been released by weathering and later have been transported, sorted, and collected by natural agencies into valuable deposits. Such minerals are usually of high specific gravity and are resistant to abrasion and weathering. Examples are gold, diamonds, platinum, tin (cassiterite), monazite, magnetite, and ilmenite, these last two being the common constituents of black sand.
Industry:Mining
Placers along the coastal plain of the Seward Peninsula, AK.
Industry:Mining
Placers in, adjacent to, and at the level of small streams.
Industry:Mining
Placing mine timbers according to a predetermined plan, regardless of roof conditions.
Industry:Mining
Plain-faced drum without grooves.
Industry:Mining
Plane of a liquid surface in which a body floats.
Industry:Mining
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