1. DSI-NRF Centre of Excellence for Integrated Mineral and Energy Resource Analysis (CIMERA), Department of Geology, University of Johannesburg, PO Box 524, Auckland Park, 2006, Johannesburg, South Africa email: sinikiwen@uj.ac.za
2. Palaeoproterozoic Mineralisation Research Group (PPM) and DSI-NRF CIMERA, Department of Geology, University of Johannesburg, PO Box 524, Auckland Park 2006, Johannesburg, South Africa email: hwabo@uj.ac.za
3. Department of Geology, University of Johannesburg, PO Box 524, Auckland Park, 2006, Johannesburg, South Africa email: trishyaos@uj.ac.za
4. Institute of Earth Sciences, University of Silesia in Katowice, Sosnowiec 41-205, Poland email: ashley.gumsley@us.edu.pl
5. DSI-NRF CIMERA, Department of Geology, University of Johannesburg, PO Box 524, Auckland Park, 2006, Johannesburg, South Africa