Is 21% Cu with 90g/t Au a saleable chalcopyrite concentrate?...

  1. osr1986
    2,840 Posts.
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    07/02/13
    16:55
    Post #: 11392428
    Is 21% Cu with 90g/t Au a saleable chalcopyrite concentrate? (but very low Zn, As...)
    Sounds like its only about 60% pure.
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