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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 ...
Heavy-duty shaking table used to treat relatively coarse sands. Shaking is by double-link eccentric motion, with longer and slower throw than with Wilfley type of table.
Industry:Mining
Height above specified datum level of a surveyed point.
Industry:Mining
Height between the floor and the roof in a mine opening.
Industry:Mining
Held in contact or engagement by springs.
Industry:Mining
Held upright and steadied by one or more guys.
Industry:Mining
Hematite in which the texture is foliated or micaceous; some micaceous varieties are soft and unctuous.
Industry:Mining
Hematite mixed with clay.
Industry:Mining
Hematite ore.
Industry:Mining
Hematite pseudomorphous after magnetite octahedra.
Industry:Mining
Herringbone supports. A method of support by which a center support of beams or bars running longitudinally along the roof of a road is supported systematically by slanted struts or props with their feet spragged in the side of the road, the whole looking like a herringbone.
Industry:Mining