11 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
Continuous casting
Mining; General mining
A casting technique in which an ingot, billet, tube, or other shape is continuously solidified while it is being poured, so that its length is not determined by mould dimensions.
Wirebar
Mining; General mining
A cast shape, particularly of tough pitch copper, which has a cross section approx. square with tapered ends; designed for hot rolling into a rod for subsequent drawing into wire.
Chilled casting
Mining; General mining
A casting made by contacting it with something that will rapidly conduct the heat from it, such as a cool iron mold, or by sudden cooling by exposure to air or water.
Cataclasite
Mining; General mining
A cataclastic rock that has been formed by shattering (or cataclasis), which has been less extreme than in mylonite.
Cast booster
Mining; General mining
A cast, extruded or pressed, solid high explosive used to detonate less sensitive explosive materials.
Pile helmet
Mining; General mining
A cast-steel cap covering and protecting the head of a concrete pile during driving.
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