concentrating ore

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• Ore concentrate — Ore concentrate, dressed ore or simply concentrate is the product generally produced by metal ore mines. The raw ore is usually ground finely in various comminution operations and gangue (waste) is removed, thus concentrating the metal… …   Wikipedia

• Concentrating — Concentrate Con*cen trate (? or ?), v. t. [imp. & p. p. {Concentrated}; p. pr. & vb. n. {Concentrating}.] [Pref. con + L. centrum center. Cf. {Concenter}.] 1. To bring to, or direct toward, a common center; to unite more closely; to gather into… …   The Collaborative International Dictionary of English

• Vanner — Van ner, n. (Mining) A machine for concentrating ore. See {Frue vanner}. [1913 Webster] …   The Collaborative International Dictionary of English

• mill — mill1 /mil/, n. 1. a factory for certain kinds of manufacture, as paper, steel, or textiles. 2. a building equipped with machinery for grinding grain into flour and other cereal products. 3. a machine for grinding, crushing, or pulverizing any… …   Universalium

• vanner — noun A machine for concentrating ore …   Wiktionary

• slimer — ˈslīmə(r) noun ( s) Etymology: slime (I) + er 1. : toadfish 2. : any of various devices (as a buddle or shaking table) for concentrating ore slime 3 …   Useful english dictionary

• mineral deposit — Introduction       aggregate of a mineral in an unusually high concentration.       About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… …   Universalium

• mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

• mineral processing — or ore dressing Mechanical treatment of crude ores to separate the valuable minerals. Mineral processing was at first applied only to ores of precious metals but later came to be used to recover other metals and nonmetallic minerals. It is also… …   Universalium

• Mesabi Range — The Mesabi Range (upper center) is west of Lake Superior, north of Duluth, and far north of Minneapolis St. Paul. Nearby towns include Grand Rapids, Hibbing and Virginia, Minnesota …   Wikipedia

• china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …   Universalium