ATN 0.00% 0.2¢ ashburton minerals limited

ore grade, page-62

  1. 734 Posts.
    hello just a rminder of grades with the greatest respect to all

    thanku KLOOOOON for this:

    IOCG deposits usually have large ore bodies range from around 10 million tonnes of contained ore to 4,000 million tonnes or more, and have a grade of 0.2% to 2% or more.

    For example:
    Olympic Dam, 8,330 million tonnes of ore at 0.8 % Cu, 280 ppm U3O8, 0.76g/t Au and 3.95 g/t Ag + 151 Mt at 1.0 g/t Au
    Prominent Hill, South Australia: 152.8 Mt at 1.18 % Cu, 0.48 g/t Au, 2.92 g/t Ag + 38.3 Mt at 1.17 g/t Au

    So, investors should compare to prominent hill IOCG and not sandfire's high grade VMS style copper gold discovery of average 3.5% or more, i.e. expect a large ore bodies intercepting decent grades.
 
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