- 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 ...
A pipe or shaft to convey foul air from a plumbing fixture or a room to the outer air.
Industry:Mining
A pipe or tubing used for auxiliary ventilation in a mine. Generally constructed of coated fabric, metal, or fiberglass.
Industry:Mining
A pipe supported on pontoons that is used for removing spoil from a suction dredger.
Industry:Mining
A pipe to conduct something downward, such as: (1) a pipe for leading the hot gases from the top of a blast furnace downward to the dust collectors and flue system, and (2) a tube larger in diameter than the water tubes in some water-tube boilers for conducting water from each top drum to a bottom drum under the influence of thermal circulation.
Industry:Mining
A pipe to support the walls of a borehole in loose ground. The casing is secured in position by a concrete block or by the cross beams of the platform. It is driven down from the surface and follows the drilling operation closely or sometimes even precedes the borehole in sand or very loose ground.
Industry:Mining
A pistachio-green ferric-iron-rich variety of epidote. Also spelled pistazite.
Industry:Mining
A piston-type sampler in which the position of the piston relative to the sample remains constant during the sampling operation.
Industry:Mining
A pit bottom layout in which the loaded cars are fed to the cage from one side only and the empties are returned to the same side by means of a loop roadway. The loop arrangement provides more standage room for cars and is more suitable for multideck cages. When the coal reaches the pit bottom from two sides, a double-loop layout may be adopted.
Industry:Mining
