re: 40 g/t of u - is this economic?- reeefton foll http://www.gsn.gov.na/pdf/uranium.pdf
1978 Hakskeen reserves
The proven ore reserves are 361 250t of U308 at
331 g/t (johnson 1978)
As far as I recall paladin proved up more resource with thier later studies, could be more at hakskeen who knows, tatget D is the exciting one for me though.