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Garfield Refining is a Philadelphia, Pennsylvania based refinery specializing in the purchase of precious metal, including gold, silver, platinum and palladium. The company was founded in 1892 and was originally called Eastern Smelting. [1] In 1928, it was purchased by the Garfield family.
Gold miners excavate a gold-bearing bluff with jets of water at a placer mine in Dutch Flat, California sometime between 1857 and 1870. Major gold mining in California began during the California Gold Rush. Gold was found by James Marshall at Sutters Mill, property of John Sutter, in present-day Coloma. In 1849, people started hearing about the ...
Mining operations spanned 1866 to 1957, producing high grade silver, lead, and zinc ore; and, more rarely, gold ore and copper ore. [1] Some ore was smelted on site, but larger capacity smelters were eventually constructed along the shore of nearby Owens Lake. These smelting operations were the beginnings of the towns of Swansea and Keeler.
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This is a list of primary aluminium smelters in the world. Primary production is the process by which alumina is smelted to pure aluminum. [ 1 ] Secondary production is the process of recycling aluminum scrap into aluminum that can be used again. [ 2 ]
Falconbridge Nickel Mines Limited was a Canadian mining company with operations in 18 countries, involved in the exploration, mining, processing, and marketing of metal and mineral products, including nickel, copper, cobalt, and platinum. In 1982 the company was renamed Falconbridge Limited.
In 2010, the company spun off Sandstorm Metals & Energy Ltd. to hold its base metal and fossil fuel contracts, at the time it had interests in a copper mine and a natural gas project. [9] Sandstorm Metals existed as a separate TSX Venture Exchange -listed company, with Watson as CEO, until it was bought back by Sandstorm in 2014 after its first ...
16th century cupellation furnaces (per Agricola). Cupellation is a refining process in metallurgy in which ores or alloyed metals are treated under very high temperatures and subjected to controlled operations to separate noble metals, like gold and silver, from base metals, like lead, copper, zinc, arsenic, antimony, or bismuth, present in the ore.
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