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 Date: 2013-03-12 02:29:57Porphyry copper deposit Breccia Copper Vein Mining Iron oxide copper gold ore deposits Geology Economic geology Mineral exploration |
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Date: 2013-03-12 02:29:57Porphyry copper deposit Breccia Copper Vein Mining Iron oxide copper gold ore deposits Geology Economic geology Mineral exploration |
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The Inside Story By Wally Graham Laconia Resources Laconia adds high-grade copper