[1]Project Leader, Mineral Processing Modelling, CSIRO Mineral Resources, PO Box 883, Kenmore QLD 4069, Australia;
[2]Senior Experimental Scientist, CSIRO Mineral Resources, PO Box 883, Kenmore QLD 4069, Australia;
[3]Group Leader - Carbon Steel Futures, CSIRO Mineral Resources, PO Box 883, Kenmore QLD 4069, Australia;
[4]Process Mineralogist, CSIRO Mineral Resources, PO Box 883, Kenmore QLD 4069, Australia;