brown clay iron ores

brown clay iron ores
Смотри лимонитовые (бурожелезняковые) руды.

Энциклопедический словарь по металлургии. — М.: Интермет Инжиниринг. . 2000.

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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

  • iron processing — Introduction       use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting.       Iron (Fe) is a… …   Universalium

  • Yixing clay — (zh stpw|s=宜兴|t=宜興|p=Yíxīng|w=I Hsing) is a type of clay from the region near the city of Yixing in Jiangsu province, China. Its use dates back to the Song Dynasty (960 1279) when purple clay was first mined around Lake Taihu in China [… …   Wikipedia

  • лимонитовые (бурожелезняковые) руды — [brown clay iron ores] железные руды, рудный минерал которых лимонит (2Fe2O3 • ЗH2О), сложенный гидрооксидами железа, чаще гидрогетитом. Обычно продукт окисления силикатных железных руд, слож. тюрингитом, шамозитом, лептохлоритом, сидеритом и… …   Энциклопедический словарь по металлургии

  • Kostanay Province — Infobox Province of Kazakhstan Kazakh name = Қостанай облысы state coa = logo kostanay.jpg lat deg = 53 | lat min = 12 | lat sec = 0 lon deg = 63 | lon min = 38 | lon sec = 0 ISOAbbrev = KUS capital = Kostanay largest city = governor = Sergey… …   Wikipedia

  • Europe — /yoor euhp, yerr / for 1; /yoo roh pee, yeuh / for 2, n. 1. a continent in the W part of the landmass lying between the Atlantic and Pacific oceans, separated from Asia by the Ural Mountains on the E and the Caucasus Mountains and the Black and… …   Universalium

  • Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …   Universalium

  • North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …   Universalium

  • Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …   Universalium

  • 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


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