iron ore of a complex mineral composition

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• Iron ore — Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey, bright yellow, deep purple, to rusty red. The iron itself is usually found in the …   Wikipedia

• Mineral — For other uses, see Mineral (disambiguation). An assortment of minerals. A mineral is a naturally occurring …   Wikipedia

• Ore genesis — The various theories of ore genesis explain how the various types of mineral deposits form within the Earth s crust. Ore genesis theories are very dependent on the mineral or commodity. Ore genesis theories generally involve three components:… …   Wikipedia

• Iron — Fe redirects here. For other uses, see Fe (disambiguation). This article is about the chemical element. For other uses, see Iron (disambiguation). manganese …   Wikipedia

• 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

• 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

• железная руда сложного вещественного состава — Железная руда, представленная несколькими железосодержащими и другими минералами. [ГОСТ 26475 85] Тематики продукция железорудная и марганцеворудная EN iron ore of a complex mineral composition …   Справочник технического переводчика

• sulfide mineral — or sulphide mineral Any member of a group of compounds of sulfur with one or more metals. The metals that occur most commonly are iron, copper, nickel, lead, cobalt, silver, and zinc. They are the ore minerals of most metals used by industry (e.g …   Universalium

• Lithuania — Lithuanic /lith ooh an ik/, adj., n. /lith ooh ay nee euh/, n. a republic in N Europe, on the Baltic: an independent state 1918 40; annexed by the Soviet Union 1940; regained independence 1991. 3,635,932; 25,174 sq. mi. (65,200 sq. km). Cap.:… …   Universalium

• железорудный концентрат сложного вещественного состава — Железорудный концентрат, полученный в результате обогащения железной руды сложного вещественного состава. [ГОСТ 26475 85] Тематики продукция железорудная и марганцеворудная EN iron ore concentrate of a complex mineral composition …   Справочник технического переводчика

• chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …   Universalium