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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 ...
A staging or platform suspended in a sinking shaft on which masons stand when building brick walling.
Industry:Mining
A staging or platform suspended in a sinking shaft on which masons stand when building brick walling.
Industry:Mining
A stake indicating the amount of cut or fill required to bring the ground to a specified level.
Industry:Mining
A stake or mark placed by a responsible individual some distance in front of a drill; used by a driller to point and line up a drill to drill a borehole in a specific direction.
Industry:Mining
A stake or mark placed by a responsible individual some distance in front of a drill; used by a driller to point and line up a drill to drill a borehole in a specific direction.
Industry:Mining
A stake or mark used by a driller as a means of setting and orienting a drill so that the borehole can be drilled to follow a predetermined directional course.
Industry:Mining
A stake set on a line to indicate the horizontal direction an inclined borehole is to be drilled.
Industry:Mining
A stall driven in solid coal, usually from 6 to 9 ft (1.8 to 2.7 m) wide; it has rib sides in coal.
Industry:Mining
A stamp, or series of stamps, for crushing quartz ore.
Industry:Mining
A stamp-mill mortar box.
Industry:Mining
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