- ore-grade gold
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• золотое оруденение• промышленное золото
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
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
Gold mining — Gold mine redirects here. See Goldmine for other uses of the term. Gold mining consists of the processes and techniques employed in the removal of gold from the ground. There are several techniques by which gold may be extracted from the Earth.… … Wikipedia
Gold mining in Nevada — [ Rawhide, Nevada, 1915] Gold mining in Nevada, a state of the United States, is a major industry, and one of the largest sources of gold in the world. Nevada currently produces 82% of all the gold mined in the United States. [ Mining review,… … Wikipedia
Gold extraction — or recovery from its ores may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore. [cite web url=http://geology.com/publications/getting gold/gold… … Wikipedia
Gold cyanidation — (also known as the cyanide process or the MacArthur Forrest process) is a metallurgical technique for extracting gold from low grade ore by converting the gold to a water soluble coordination complex. It is the most commonly used process for gold … Wikipedia
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
Gold mining in the United States — has taken place since the discovery of gold at the Reed farm in North Carolina in 1799.In 2006 the United States produced approximately 8.360 million troy ounces (260 tonnes) of gold, making it the second or third largest gold producing nation,… … Wikipedia
Gold — (Aurum), nächst Eisen und Aluminium das am weitesten verbreitete, meist aber in geringer Menge vorkommende Metall. 1) Vorkommen (mineralogisch und geologisch). G. findet sich meist gediegen und dann fast immer legiert mit Silber, auch mit Eisen,… … Meyers Großes Konversations-Lexikon
Ore — For other uses, see Ore (disambiguation). Iron ore (Banded iron formation) … Wikipedia
Gold rush — A gold rush is a period of feverish migration of workers into the area of a dramatic discovery of commercial quantities of gold. Eight gold rushes took place throughout the 19th century in Argentina, Australia, Brazil, Canada, Chile, New Zealand … Wikipedia
gold processing — Introduction preparation of the ore for use in various products. For thousands of years the word gold has connoted something of beauty or value. These images are derived from two properties of gold, its colour and its chemical stability.… … Universalium