Anyone else have an opinion on the reconciliation between the resource model, and the grade control model? Interesting to see angled drill holes at 10m spacing across the hanging wall into the foot wall with 1m intervals in addition to the 10m vertical blast hole sampled at 2.5m intervals to inform the grade control model with some more data points. I think the most pertinent point is that the original scoping study had some rather optimistic assumptions about how selective the mining can be, in the real world mining is always less selective than the original plan, so more tonnes but at a lower grade will be the end result.
At the moment, with 3.5m x 3.5m blast holes the blasting performance should be okay but as they get deeper into fresh hard rock watch out for the potential of oversize to make things a little bit more challenging. With all those stockpiles they should be looking at trucking the highest grade stuff to Great Australia ASAP before the wet season hits.
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Ann: Mining Update and GAM Plant Agreement, page-12
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