30 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
Blasting cartridge
Mining; General mining
A cartridge containing an explosive to be used in blasting.
Lithoglyph
Mining; General mining
A carving or engraving on a stone or gem; also, a stone or gem so engraved.
Malleable cast iron
Mining; General mining
A cast iron made by a prolonged anneal of white cast iron in which decarburization or graphitization, or both, take place to eliminate some or all of the cementite. The graphite is in the form of ...
Circulating head
Mining; General mining
A casing-to-drill-rod coupling. When attached to the top of the casing, it is used during the process of pumping cement slurries or circulating water through the casing, forcing the fluid to flow out ...
Tight head
Mining; General mining
A casing-to-drill-rod coupling. When attached to the top of the casing, it is used during the process of pumping cement slurries or circulating water through the casing, forcing the fluid to flow out ...
Ni-resist
Mining; General mining
A cast iron consisting of graphite in a matrix of austenite. It contains 3.0% carbon, 14.0% nickel, 6.0% copper, 2.0% chromium, and 1.5% silicon; it has a high resistance to growth, oxidation, and ...
