Should cyanide still be used in modernday mining?
Mar 07, 2016· In June, Australiabased CSIRO announced that its patented cyanidefree thiosulphate process, which the research organisation had been developing for 20 years, was adding value to Barrick Gold''s Goldstrike plant in Nevada, US. The first gold bar produced with the thiosulphate process was poured in late 2014.