- 行业: Mining
- Number of terms: 33118
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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 horizontal mine passage cut in rock, esp. along a vein on a principal level of a mine. See: crosscut; stope.
Industry:Mining
A horizontal passage, in a mine, not yet connected with the other workings.
Industry:Mining
A horizontal pipe for carrying live steam from a boiler to radiators, a steam engine, or other steam consuming device.
Industry:Mining
A horizontal tension fracture observed in massive rocks, such as granite; thought to originate from the removal of load in quarrying. Compare: sheeting.
Industry:Mining
A horizontal, double-hearth furnace for calcining sulfide ores.
Industry:Mining
A horizontal, revolving, continuous vacuum filter. The surface is an annular ring consisting of separate trays with vacuum and compressed air attachments. The filtering surface is on the underside, the trays being dipped into the tank of pulp to form the cake and then lifted out of it.
Industry:Mining