To many variables in the mining industry.
If you can be patient and wait one month, you will be able to review the KAL scoping study which details, within +/- 30%, the mining costs and capital costs.
If you cannot wait that long, I suggest that you review similar operations.
The www.goldnerds.com.au spreadsheet provides detailed analysis of over 200 ASX listed gold mining companies. EQI for example achieves operating cash costs of A$377 / oz
