polymetallic ore

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• 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

• Polymetal — Primarily used in chemistry or mining, polymetal or polymetallic refers to a substance comprised of a combination of different metals. When the substance contains only two metals the term bimetal ( bimetallic ) is sometimes preferred (not to be… …   Wikipedia

• Rare earth element — Rare earth ore, shown with a United States penny for size comparison These rare …   Wikipedia

• Lepidocrocite — (γ FeO(OH)), also called esmeraldite or hydrohematite, is an iron oxide hydroxide mineral. Lepidocrocite has an orthorhombic crystal structure, a hardness of 5, specific gravity of 4, a submetallic luster and a yellow brown streak. It is red to… …   Wikipedia

• Philip Ridder — was a British explorer who discovered polymetallic ores in north eastern Kazakhstan.A town in that region, Ridder, bore Philip Ridder s name from 1786 to 1941, when it was changed to Leninogorsk; however, in 2002, the name was reverted to Ridder …   Wikipedia

• Manganese nodule — Polymetallic nodules, also called manganese nodules, are rock concretions on the sea bottom formed of concentric layers of iron and manganese hydroxides around a core. The core may be microscopically small and is sometimes completely transformed… …   Wikipedia

• Natural resource economics — Economics …   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

• Mining in Georgia (country) — During the Soviet period, a range of minerals was mined in Georgia, which included arsenic, barite, bentonite, coal, copper, diatomite, lead, manganese, zeolite, and zinc, among others. Most of these commodities were still being produced in 2005 …   Wikipedia

• Doe Run Company — Doe Run Resources Corporation (registered to do business as the Doe Run Company) is the largest integrated lead producer in North America and the largest primary lead producer in the western world. It owns two primary lead smelters (only one is… …   Wikipedia

• Rum Jungle, Northern Territory — The Rum Jungle uranium deposit in the Northern Territory, Australia was found in 1949. It is 65 kilometres south of Darwin on the East Finniss River.Original uranium mineIn 1952 the Australian Government funded the setting up of a mine and… …   Wikipedia