The visible logged bornite and chalcopyrite % figures ( 1 - 3% volume fraction) is very low. Even 3% of bornite which is 63% copper content means at best around 2% copper content in the core. Even getting 2% copper near to surface is rarely economic unless is a very big deposit. But at these depths its a non-starter. Looks like the copper leakage is coming up via the fault, which is what many had figured out earlier from Day 1 so no surprise there. I'm guessing they will be looking to see what the fault mineralization is deeper down the guts of it
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