1. Ph.D. Candidate, College of Science, Technology and Engineering, James Cook Univ., Townsville, QLD 4811, Australia (corresponding author).
2. Associate Professor, College of Science, Technology and Engineering, James Cook Univ., Townsville, QLD 4811, Australia.
3. Senior Backfill Engineer, George Fisher Mine, 44 Nineteenth Ave., Parkside, QLD 4825, Australia.