copper ore including

  • PT Freeport Indonesia

    About Us. As an affiliate of Freeport-McMoRan, One of the world's leading mining company, PT Freeport Indonesia to exploration, mining and processing ore containing copper, gold and silver in the highland areas of …

  • Matte | metallurgy |

    Instead of being smelted directly to metal, copper ores are usually smelted to matte, preferably containing 40–45 percent copper along with iron ...

  • 2. Mining Methods - Copper

    In each of these mining methods, various earth-moving equipment including shovels, dozers, hauling trucks, and loaders are used to remove and transport the ore.

  • Copper - Essential Chemical Industry

    In the UK, copper is mainly used to make semi-finished products (called semis) which are made from the refined metal, either as pure copper or as copper alloys.

  • USGS Minerals Information: Copper

    Copper is usually found in nature in association with sulfur. Pure copper metal is generally produced from a multistage process, beginning with the mining and concentrating of low-grade ores containing copper sulfide minerals, and followed by smelting and electrolytic refining to produce a pure copper cathode.

  • Copper extraction - Wikipedia

    The average grade of copper ores in the 21st century is below 0.6% copper, with a proportion of economic ore minerals (including copper) ...

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