where did people find copper ore in

  • copper mining Mine Engineer.Com

    Copper Mining Info The above flowsheet shows a basic copper mine process, from mine to metal. There are two distinct types of copper ore, ...

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  • Copper UNRV

    The Romans did find a way to use the sulfide ores, although the process was very slow and probably produced little copper. They collected water that seeped through ...

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  • Uses of Copper Supply, Demand, Production, Resources

    In porphyry copper deposits, copper ore minerals are disseminated in igneous intrusions. ... Did you know? Copper is one of the few metals that occur in nature in ...

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  • How did humans discover iron could be smelted from

    Discussion/Question How did humans discover iron could be smelted from ... (copper ore, I guess) was first ... So it's more of a challenge than copper, but people ...

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  • Copper mining in Arizona Wikipedia

    Copper ore, leached (Opened December 2007) Open-pit copper mines south of Tucson. Note north is to the left. 2010 NASA astronaut photo. Six of the mines ...