I'd seen a few things about RNU's large world-scale resource so I thought I'd have a look.
Some of RNU's resource scale comes from a cut-off grade of 2.3%. If you lower Epanko's cut-off grade to something close (only 5% has been quoted), interestingly the resource size becomes basically the same. 89.2Mt @ 7.4% and 87.4Mt @ 7.5%. Interesting?
Back on the 11th of June 2019 Epanko's reported 23Mt @ 9.4% for 2.2Mt contained, which is a lot smaller than RNU. Note what the details are if the cut-off was 5%!!
I'd seen a few things about RNU's large world-scale resource so...
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