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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 …

  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 …

  3. 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 …

  4. 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 …

  5. 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 …

  6. 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 …

  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 …

  8. 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: …

  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 …

  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 …