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  1. Smelting - Encyclopedia.com

    May 9, 2018 · Smelting is the process of separating the metal from impurities by heating the concentrate to a high temperature to cause the metal to melt. Smelting the concentrate produces a metal or a …

  2. Metallurgy through the Ages - Encyclopedia.com

    Metallurgy through the Ages Overview Over a period of thousands of years, humans learned to identify, extract, blend, and shape metals into tools, ornaments, and weapons. The ability of metals to alter …

  3. Smelters - Encyclopedia.com

    SMELTERS. Smelting is a method of separating gold, silver, and other metals from their ores with fire and heat intense enough to melt the ores. A Spanish law of 22 August 1584 required a government …

  4. Abraham Darby - Encyclopedia.com

    May 29, 2018 · Abraham Darby Abraham Darby (1677-1717) developed the coke burning blast furnace that made it possible to produce commercial grade iron cost-effectively. His work helped launch the …

  5. Daniel Guggenheim - Encyclopedia.com

    May 18, 2018 · Guggenheim, Daniel (1856-1930) American Smelting and Refining Company Overview Daniel Guggenheim was one of America's most powerful business leaders as well as one of the …

  6. Iron Mining and Metallurgy - Encyclopedia.com

    Interest in locating deposits of iron, extracting the ore, smelting it, and refining it was evident in the earliest permanent settlements. Source for information on Iron Mining and Metallurgy: Encyclopedia …

  7. Archaeometallurgy - Encyclopedia.com

    Archaeometallurgists reconstruct ancient smelting (ore-melting) furnaces; conduct experiments; and analyze metals and slag (the glassy residue left by smelting). It is a misconception that somehow the …

  8. Origins of Iron Production - Encyclopedia.com

    These slags uniformly suggest smelting temperatures of 1,100–1,200°C (2,000–2,200°F), consistent with the type of simple furnace excavated. Tools—hammers, tongs, and anvils themselves made of …

  9. La Oroya | Encyclopedia.com

    La OroyaLa Oroya, town and mineral smelting center in the central highlands of Peru (1990 population 33,594). At 12,200 feet, La Oroya stands at the crossroads of the central railway and highway …

  10. Timna - Encyclopedia.com

    The Chalcolithic copper smelting furnace excavated on the fringes of the Arabah, east of the modern Timna copper mines, is the earliest smelting installation so far found. The next industrial installations …