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for metal ore

См. также в других словарях:

  • Bell metal ore — Bell metal Bell met al A hard alloy or bronze, consisting usually of about three parts of copper to one of tin; used for making bells. [1913 Webster] {Bell metal ore}, a sulphide of tin, copper, and iron; the mineral stannite. [1913 Webster] …   The Collaborative International Dictionary of English

  • Ore — For other uses, see Ore (disambiguation). Iron ore (Banded iron formation) …   Wikipedia

  • Ore dressing — is one of the principal processes in the work of mining. It consists of separating economically valuable minerals from those with little or no value, or of separating valuable minerals from each other, so that they may be further processed, for… …   Wikipedia

  • 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

  • Metal — This article is about metallic materials. For other uses, see Metal (disambiguation). Some metal pieces Metals Alkali metals …   Wikipedia

  • metal — {{11}}metal (adj.) late 14c., from METAL (Cf. metal) (n.). {{12}}metal (n.) mid 13c., from O.Fr. metal metal; material, substance, stuff (12c.), from L. metallum metal; mine, quarry, mineral, what is got by mining, from Gk. metallon metal, ore… …   Etymology dictionary

  • Metal mining in Wales — affected large areas of what are now very rural parts of Wales and left behind a legacy of contaminated waste heaps and a very few ruined buildings. There are a number of areas that have been mined for a variety of metals. Contents 1 Lead and… …   Wikipedia

  • Ore grade — is a measure that describes the concentration of a valuable natural material (such as metals or minerals) in its surrounding ore. Ore grade is used to assess the economic feasibility of a mining operation: the cost of extracting a natural… …   Wikipedia

  • Ore shoot — is a colloquial term in mining and geology to describe a long seam of mineral or metal bearing rock that can be profitable to extract. The term may have originated in the 17th and 18th centuries when various theories existed on the origins of ore …   Wikipedia

  • Metal Marines — European cover art Developer(s) Namco Publisher(s) Namco (SNES) Mindscape (PC) …   Wikipedia

  • Metal-Expo — is an exhibition, a key business platform for leading steel producers and users. It has been held yearly since 1995 in Moscow at the All Russia Exhibition Centre and the Crocus Expo International, since 1999 in November. Metal Expo, JSC is a full …   Wikipedia

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