5 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
Carbonatite
Mining; General mining
A carbonate rock of apparent magmatic origin, generally associated with kimberlites and alkalic rocks. Carbonatites have been variously explained as derived from magmatic melt, solid flow, ...
Carminite
Mining; General mining
A carmine to tile-red lead-iron-arsenate, perhaps Pb 3 As 2 O 8 .10FeAsO 4 . Found in clusters of fine needles; also in spheroidal forms.
Thelotite
Mining; General mining
A carbonaceous constituent of torbanite, occurring in the form of a solidified clear, jellylike substance, something like solidified dopplerite, but probably of unlike chemical composition.
Calcareous dolomite
Mining; General mining
A carbonate rock containing 50% to 90% dolomite. (Leighton & Pendexter, 1962) Compare: calcitic dolomite.
Soevite
Mining; General mining
A carbonatite that contains calcite as a dominant phase. The name, given by Broegger in 1921, is for Soeve, Fen complex, Norway.
Dumpcart
Mining; General mining
A cart having a body that can be tilted or a bottom opening downward for emptying the contents without handling.
Bottom-dump scraper
Mining; General mining
A carrying scraper that dumps or ejects its load over the cutting edge.
