hard cobalt ore

См. также в других словарях:

• Cobalt — This article is about the metal. For other uses, see Cobalt (disambiguation). iron ← cobalt → nickel ↑ Co ↓ Rh …   Wikipedia

• cobalt processing — Introduction       preparation of the metal for use in various products.       Below 417° C (783° F), cobalt (Co) has a stable hexagonal close packed crystal structure. At higher temperatures up to the melting point of 1,495° C (2,723° F), the… …   Universalium

• cobalt — /koh bawlt/, n. a silver white metallic element with a faint pinkish tinge, occurring in compounds whose silicates afford important blue coloring substances for ceramics. Symbol: Co; at. wt.: 58.933; at. no.: 27; sp. gr.: 8.9 at 20°C. [1675 85; …   Universalium

• Cobalt, Ontario — Cobalt   Town   Nickname(s): Silver City …   Wikipedia

• cobalt — [kō′bôlt΄] n. [Ger kobalt: so named ( c. 1730) by Georg Brandt (1694 1768), Swed chemist < Ger kobold, lit., goblin; term used for the ore by miners, who regarded it as worthless and as injurious because of its arsenic content] a hard,… …   English World dictionary

• Cobalt Silver Rush — The Cobalt Silver Rush started in 1903 when huge veins of silver were discovered by workers on the Temiskaming and Northern Ontario Railway (T NO) near the Mile 103 post. By 1905 a full scale silver rush was underway, and the town of Cobalt,… …   Wikipedia

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

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• Ore Mountain Mining Region — The mining museum in Oelsnitz/Erzgeb. The Ore Mountain Mining Region (German: Montanregion Erzgebirge) is an industrial heritage landscape, over 800 years old, in the border region between the German state of Saxony and North Bohemia in Czechia.… …   Wikipedia

• Mopani Copper Mine — Mopani Copper Mines Plc Type Public Company Industry Mining, Materials Founded N/A Headquarters Kitwe, Zambia Key people Emmanuel B Mutati, CEO …   Wikipedia

• Gold mining in Alaska — Gold mining in Alaska, a state of the United States, has been a major industry and impetus for exploration and settlement since a few years after the United States acquired the territory from Russia. Russian explorers discovered placer gold in… …   Wikipedia