base ore

бедная руда

English-Russian dictionary of geology. 2011.

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  • Ore sorting — refers to the process of separating an ore into separate constituent parts. Today, ore sorters are widely used in industrial mineral mines, diamond mines and base and precious metal mines. Ores are typically sorted to increase the efficiency of… …   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-Ida — est une entreprise agro alimentaire américaine spécialisée dans la production d aliments surgelés à base de pomme de terre, ainsi qu une marque commerciale, appartenant au groupe américain H. J. Heinz Company. Le principal site de production d… …   Wikipédia en Français

  • ore — [ôr] n. [ME or < OE ar, brass, copper (< IE base * ayos, metal, copper, bronze, iron > Sans áyas, metal, L aes, copper) identified with ora, unworked metal (akin to ON aurr, ferrous sand, gravel)] 1. any natural combination of minerals,… …   English World dictionary

  • 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

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

  • Base metal — Metal Met al (? or ?; 277), n. [F. m[ e]tal, L. metallum metal, mine, Gr. ? mine; cf. Gr. ? to search after. Cf. {Mettle}, {Medal}.] 1. (Chem.) An elementary substance, as sodium, calcium, or copper, whose oxide or hydroxide has basic rather than …   The Collaborative International Dictionary of English

  • Otto mesi in due ore — ossia Gli esiliati in Siberia Pasquale Canna (1771 1830), Décor de l acte I de la production napolitaine de 1827 …   Wikipédia en Français

  • Kambalda type komatiitic nickel ore deposits — Kambalda type nickel ore deposits are a class of magmatic nickel copper ore deposit in which the physical processes of komatiite volcanology serve to enrich, concentrate and deposit nickel bearing sulfide within the lava flow environment of an… …   Wikipedia

  • Browns polymetallic ore deposit — The Browns polymetallic ore deposit is a large ore deposit located at Mount Fitch, near Batchelor, 64 kilometres south of Darwin, Northern Territory, Australia.The Browns deposit conists of a sizeable, +80 million tonne deposit of nickel copper… …   Wikipedia

  • Christ Church, Ore — Christ Church The church from the east …   Wikipedia


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