1) Yes, although AXM has indicated that Wiluna may contain ore that less refractory. The jury is still out although there are some indications.
2) Never, as far as I know. The Biox plant has a capacity, with current available grade of about 150,000 ozpa to maybe a maximum (optimistic?) of 200,000 ozpa. A current 'bottleneck is getting the ore to the plant, hence the original plan to also feed Wiluna from Wilsons. Higher grades at Wiluna and expanded exploration have, for the time being, provided the Wiluna plant with sufficient ore to product about 10,000 ozpm. Wilsons etc are now on the backburner. There seems to be some expectation that Wiluna grades will improve.
3)I would expect that this would only be actioned once a consistently strong cash flow is established. eg >150,000 ozpa @ 700 poz
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