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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 ...
An inclined shaft along the footwall of a reef on the Rand. It develops and extracts ore from areas below the main haulage level.
Industry:Mining
An inclined table used for cleaning coal or ore in which the lighter material or gangue is washed away by water. The coal or ore is fed onto the table and water is allowed to flow down the table carrying away the impurities.
Industry:Mining
An inclined table used in separating ore slimes by running water; a miner's frame.
Industry:Mining
An inclined table, which is agitated by a series of shocks, while operating like a buddle. It may be made self-discharging and continuous by substituting for the table an endless rubber cloth, which is slowly moving against the current of water, as in the Frue vanner.
Industry:Mining
An inclined table, which is agitated by a series of shocks, while operating like a buddle. It may be made self-discharging and continuous by substituting for the table an endless rubber cloth, which is slowly moving against the current of water, as in the Frue vanner.
Industry:Mining
An inclined track up and down which wagons travel fixed at equal intervals to an endless steel wire rope, either above or below the wagons.
Industry:Mining
An inclined trough having grooves or strips across its bottom to catch fine gold.
Industry:Mining
An inclined water gage.
Industry:Mining
An inclusion consisting of a liquid with a gas bubble and a crystal within a crystal.
Industry:Mining
An inclusive term for a wide variety of hard, brittle, semitransparent, yellowish to red fossil resins from various tropical trees (e.g., Copiafera and Agathis), being nearly insoluble in the ordinary solvents and resembling amber in appearance; e.g., Congo copal and kauri. Copal also occurs as modern resinous exudations.
Industry:Mining