That will imply 250,000 cts per quarter commencing January 2018. The second poster with that info, the other being
@bdell. Will wait for the company to announce that specific strategy before posting charts with those numbers.
If they've told you 50-60 years then the company may have enough data from drill holes and sampling for JORC, but work required to formalise the info.
Would be an amazing outcome if Maiden JORC for rubies is released before the end of this year ( i.e. soon after auction).