1. Economic Geology Research Centre (EGRU), Department of Geosciences, James Cook University, Townsville, Australia;
2. Mineral Resources Team, Geological Survey of Norway (NGU), Trondhem, Norway;
3. John de Laeter Centre, The Institute for Geoscience Research (TIGeR), Curtin University, Perth, Australia;
4. Department of Geosciences, UiT The Arctic University of Norway, Tromsø, Norway;
5. Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO, USA