Ann: High Grade Co-Ni-Cu Rock Chips from Dobsina Waste Dumps, page-96

Yeah I'm trying to do some back of an envelope maths on the possible tonnage of the cobalt in those dumps. Was thinking 50x50x20 for the volume then say 1.5 tonnes of dirt in each cubic meter. Times 42 for the 42 dumps. Times all that by what I feel is a fairly conservative 0.1% Co and finally times that by $60,000. I'm not confident that the average Cobalt grade in the dumps will be over 0.1% but that's just me. Not taking in any of the silver, copper or nickel here either. If anyone has any comments on my maths let me know though for myself I won't change from 0.1%. Anyone else is more than welcome to dream and go 4%.