Yeah so $15-20 per tonne through the plant. That's about $12/t more expensive than if we had a strip ratio of 4:1 which no-one would blink at.
If we go back to late last year we had a basket price of (60,000 × 0.0014 + 6,600 x 0.0049) = $116 per tonne of milled ore.
Now we have a basket price even at mass JORC grade of (90,000 x .0011 + 6,600 x .0049) = $131.
That is extraction cost right there.
Ann: Opuwo Cobalt Project Maiden JORC Mineral Resource, page-230
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