1986年年底,位于澳大利亚昆士兰州北部查特斯堡附近的莱桑山露天矿投产,接着堆浸场亦投入生产,开始生产黄金。一旦矿山全面投产,预计该矿年产原矿约100万吨,头三年每年生产黄金46000盎司。该矿矿石储量达630万吨,金品位1.8克/吨,银 At the end of 1986, the Mount Leisan open pit mine near Chartersboro, northern Queensland, Australia, was put into operation and the heap leachate was also put into production to start producing gold. Once the mine is fully operational, it is estimated that the mine will annually produce about 1 million tonnes of ore and produce 46,000 ounces of gold annually for the first three years. The ore reserves of 6.3 million tons, gold grade 1.8 grams / ton, silver