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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 rope with a smooth cylindrical surface, the outer wires of which are drawn to such shape that each one interlocks with the other and the wires are disposed in concentric layers about a wire core instead of in strands. Particularly adapted for haulage and ropetransmission purposes.
Industry:Mining
A ropeway using a wire cable or cables. Used for conveying ore and supplies in rough mountainous districts; a wire tramway.
Industry:Mining
A rose diagram that shows the azimuth and intensity of jointing in an area.
Industry:Mining
A rose-colored variety of titanite (sphene) containing up to 3% MnO.
Industry:Mining
A rose-pink variety of grossulatire garnet.
Industry:Mining
A rose-pink variety of grossulatire garnet.
Industry:Mining
A rose-pink variety of grossulatire garnet.
Industry:Mining
A rotary bit fitted with two or more hardened steel or tungsten-carbide-tipped rollers of cylindrical or conical form. Variously known as two-cone bit, three-cone bit, four-cutter bit, etc.
Industry:Mining
A rotary bit in which a number of cutting edges are arranged behind a pilot bit to enlarge the hole to the required diameter.
Industry:Mining
A rotary bit used to drill soft formations. The blade is flattened and divided, the divided ends curving away from the direction of rotation. It resembles a fishtail.
Industry:Mining
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