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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 ...
Barren bedrock underlying tin-bearing gravel.
Industry:Mining
Barren or submarginal rock or ore that has been mined, but is not of sufficient value to warrant treatment and is therefore removed ahead of the milling processes.
Industry:Mining
Barrier of heavy steel construction anchored at a track ending to stop rolling railroad cars and prevent their being thrown off center or derailed.
Industry:Mining
Basanite. Used for testing streak of precious metals.
Industry:Mining
Basic information needed by engineers concerned with design, site development, machine and housing assembly, plant erection, contract supervision, and coordination when planning, erecting, and bringing into operation a new mine and its attendant services, including the ore treatment plant.
Industry:Mining
Basic lead carbonate or lead hydroxycarbonate.
Industry:Mining
Basically this method consists of determining the vertical heights by measurement of distances and angles of inclination. Angles of inclination are measured either by hand instruments or more accurately by theodolite.
Industry:Mining
Bat guano.
Industry:Mining
Batching plant in which all ingredients for a concrete mix are measured by weight.
Industry:Mining
Battery operated lamp; may be attached to a miner's cap to provide illumination in poorly lighted mine areas. Lamps are designed to focus on working areas when attached. A unit consists of a rechargeable battery, bulb, reflector, wires, etc. Mine lamps may be purchased outright or leased. Models include cap lamps, hand lamps, and trip lamps.
Industry:Mining