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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 ...
N. of Eng. A road (heading) down which coal is conveyed in cars running upon rails. An inclined gangway in a coal mine.
Industry:Mining
N. of Eng. A small gate made on the face between the mother gate and tailgate for the purpose of getting stone to make strip packs for roof support (when goaf roof is supported and not allowed to cave).
Industry:Mining
led
N. of Eng. A spare tub, or one that is being loaded while another is being emptied.
Industry:Mining
N. of Eng. A wire stretched along the face to control, directly or indirectly, the running of the face conveyor.
Industry:Mining
N. of Eng. An approved method of working a colliery by pillar and stall, where solid ribs or barriers of coal are left in between working places.
Industry:Mining
N. of Eng. Boulders or detached masses of rock.
Industry:Mining
N. of Eng. Choked up with sediment or mud.
Industry:Mining
N. of Eng. Freestone (sandstone).
Industry:Mining
N. of Eng. In coal mining, a tough mixture of sandstone and shale; also, freestone, flagstone, or chert.
Industry:Mining
N. of Eng. In the direction of, or toward, the shaft, as in an underground mine. Outby.
Industry:Mining
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