20 Terms
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General mining
General mining related terms and definitions in minerals and related activities.
Industry: Mining
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General mining
cornish pump
Mining; General mining
A type of pump developed in Cornwall, England, and commonly used in deep mines of the nineteenth century to raise underground water.
crosscut
Mining; General mining
A passageway driven between the entry and its parallel air course or air courses for ventilation purposes. Also, a tunnel driven from one seam to another through or across the intervening measures; ...
drift
Mining; General mining
A horizontal passage underground. A drift follows the vein, as distinguished from a crosscut that intersects it, or a level or gallery, which may do either.
gallery
Mining; General mining
A horizontal or a nearly horizontal underground passage, either natural or artificial.
water turbine
Mining; General mining
A prime mover coupled to an alternator, using a purely rotary motion to generate an alternating current. The main types of water turbines are (1) the Pelton wheel for high heads, (2) the Francis ...
trilobite
Mining; General mining
A primitive, extinct crustacean, occurring throughout the Paleozoic and abundant in the earlier Paleozoic periods, characterized by a segmented body divided by longitudinal grooves into three lobes.
pioneer road
Mining; General mining
A primitive, temporary road built along the route of a job, to provide means for moving equipment and workers.
