- 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 large capacity hopper or standage room to store coal or mineral coming from the winding shaft. The provision tends to equalize the run of mine going to the preparation plant and smooth out any minor breakdowns in the plant.
Industry:Mining
A large clay plug filling an open space in the front jackets of a smelting furnace, through which the taphole passes.
Industry:Mining
A large conical or conoidal brick structure within which a firing kiln is built.
Industry:Mining
A large crater or circular hollow believed not to be associated with volcanic activity; e.g., a crater that is possibly meteoritic in origin but may be the result of phreatic explosion or cauldron subsidence. Adj: pseudovolcanic.
Industry:Mining
A large cylinder on to which the steel haulage rope is coiled. The rope is attached to the drum by passing it inside and looping it about the drum shaft, and securing the loose end to the rope by rope clamps. The excess length of rope is coiled around the drum to provide for recapping during its useful life.
Industry:Mining
A large diameter drivepipe sunk through the uppermost part of the overburden. Compare: conductor; standpipe.
Industry:Mining
A large dome-shaped form, developed in massive homogeneous coarse-grained rocks, esp. granite, by exfoliation; well-known examples occur in Yosemite Valley, CA.
Industry:Mining
A large drawing machine by means of which stereoscopic pairs of vertical photographs can be viewed in conjunction with their ground control points and mechanically translated into accurate maps.
Industry:Mining
A large electric gantry-type crane which, by means of a clamshell bucket, stocks ore or carries it from a stockpile into bins or a larry car on a trestle.
Industry:Mining
