The chalcocite blanket Christian's talking about grading 1.5% copper and 0.5g/t gold is in the oxidised zone so I'm guessing heap leaching would be required to extract it? I think you only can extract 50% of the copper with this method? Is this oxide zone free digging? I wonder if they could just go at it alone and mill this high grade stuff for 3 years. Could be a very cheap operation to construct. Then they could plough more money in to deep drilling with the cashflow and have more bargaining power for when they get a JV partner.
Coffee with Samso Insights, page-12
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