1778 Terms
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Mineral mining
The extraction of valuable minerals or other geological materials from the earth for economic interests.
Industry: Mining
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Mineral mining
Flash box
Mining; General mining
A box in which a light source, an electromagnet, and a telescope are all mounted in the pendulum apparatus of gravitational recording.
Pointed box
Mining; General mining
A box, in the form of an inverted pyramid or wedge, in which minerals, after crushing and sizing, are separated in a current of water.
Charging box
Mining; General mining
A box in which ore, scrap, pig iron, fluxes, etc., are conveyed to a furnace by means of a charging machine.
Settling box
Mining; General mining
A box or container in which drill cuttings or sludges are accumulated and coarse materials permitted to settle.
Belfast truss
Mining; General mining
A bowstring design of girder fabricated entirely from timber components.
Koepe winder brake
Mining; General mining
A brake which acts directly on the Koepe sheave and can be applied by the winding engine operator's brake lever and the other safety devices.
Biogeochemistry
Mining; General mining
A branch of geochemistry that deals with the effects of life processes on the distribution and fixation of chemical elements in the biosphere.
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