1. School of Earth Systems, Queensland University of Technology, 2 George Street, GPO Box 2434, Brisbane, QLD, 4001, Australia;
2. Central Analytical Research Facility, Queensland University of Technology, 2 George Street, GPO Box 2434, Brisbane, QLD, 4001, Australia;
3. Department of Natural Resources and Mines, Geological Survey of Queensland, PO Box 15216, City East, QLD, 4002, Australia