13 Terms
Home > Industry/Domain > Mining > Mineral mining
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
glory-hole system
Mining; General mining
A method of mining using a system of haulageways beneath the block of ore, which has had its top surface exposed by the removal of the overburden. Over the haulageways are 1372 chutes that extend up ...
scooptram
Mining; General mining
Similar to a front end loader; a low-profile loader articulating in the center with a large bucket in front (usually five tons or more) that transports ore in an underground mine. The operator sits ...
dynamo exploder
Mining; General mining
A powerful exploder usually operated by a vertical rack, which, on a downward movement, drives an armature. At the end of the stroke of the rack bar an internal shortcircuiting device opens and the ...
dry density
Mining; General mining
The weight of a unit volume of a dry sample of soil, after the latter has been heated at a temperature of 103 degrees C.
Blockmaking
Mining; General mining
Applied to the various processes involved in roofing slate manufacture, which include drilling and wedging, cutting, sawing, etc.
