AYN 0.00% 0.1¢ alcyone resources ltd

ramping up production, cash flow & exploration, page-40

  1. 2,164 Posts.
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    Read it carefully.

    Cash cost PER OUNCE OF SILVER - $15

    Mining cost PER TONNE OF ORE - $7-8

    Processing cost PER TONNE (presumably of ore) - $13

    So around $20 to extract the silver in a tonne of ore.

    The cash cost per ounce of recovered silver depends on the grade of the ore. What number they used for this is anyone's guess. At $21 per tonne grade is 43.5g/t, at $20/tonne grade is 41.5g/tonne (to get $15/oz) Compare that to the 44g/t grade of the indicated resource for Twin Hills.

    The crusher is rated at 1.5MT/year, estimated production is 1.2-1.5Moz per year. That would indicate a grade between 25g/t and 31.1g/t at 100% uptime for the crusher.

    So, sounds about right to me.
 
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