Australia’s gold mines by production, grades and costs ...
2019-5-22 · The lowest cost mines generally have one factor in common - they are multi-commodity producers that benefit from by-product credits which reduce the costs of production. For example, in the gold sector, the by-product is quite often copper. As a case in point, a mine that produces 100,000 ounces of gold and 10,000 tonnes of copper per year at a ...