he has to be talking about resource with that figure. It's the only logical thing I can see him talking about as I can see how they can prove the reserves up to this figure.
Doubling supply - I'm not sure you can 100% say that this is production and then assume 1500 MT is a typo. From my calcs they are already producing around 1.2 mty from Vlakvarkfontein. If all goes to plan they should be up to around 2.15 mty from Penumbra and Vaalbank in 12 months time. So the only place the 1500 million tonnes figure quoted fits is to the resource size imo.
Adding that on top of the production increases is achievable and will do the sp no harm at all.
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