i dont know much about Abra but it looks like the feeder and stratiform domains could be combined into decent stope sizes. This Emmie Bluff copper occurrence (resource goes too far) is flat lying. Couldnt be worse for undergroumd mining. You could do it as a room&pillar mine but at those marginal grades and skinny thicknesses it is just not realistic, even if you double the copper price. Geometry/shape of the ‘orebody’ is kinda important in underground mining.
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