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United States Bureau of Mines
Industry: 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 ...
Eng. To crack open or produce fissures.
Industry:Mining
Eng. To dress down or remove loose stone from the roof or sides.
Industry:Mining
hit
Eng. To find, prove, or cut into a coal seam or fault.
Industry:Mining
Eng. To load, or reload, trams at the gate ends out of smaller trams used only in the working faces of thin seams.
Industry:Mining
Eng. To make a slight rattling or tapping noise. Said of a mine when movement or settling is taking place.
Industry:Mining
Eng. To mat together; to entangle. Frequently applied to a hard, crossgrained, tough stone or coal, as cottered coal.
Industry:Mining
Eng. Top jubs and bottom jubs, soft marly limestone, coarsely oolitic in places, in the Great Oolite at Kingsthorpe, Northamptonshire; also in the same formation at Bedford.
Industry:Mining
Eng. Travertine; hard enough to use for building; so called from its cavernous structure.
Industry:Mining
Eng. Two crib sets are placed back to back to form a two-compartment crib-lined raise. This technique is employed in weak ground in place of a double compartment separated by only a single dividing member.
Industry:Mining
Eng. Two words always used together and applied to lumps of gypsum in marl, Nottinghamshire.
Industry:Mining