1. Paleoproterozoic Mineralization Research Group Department of Geology University of Johannesburg Johannesburg South Africa
2. Department of Science and Technology – National Research Foundation Centre of Excellence for Integrated Mineral and Energy Resource Analysis University of Johannesburg Johannesburg South Africa
3. Department of Geology University of Johannesburg Johannesburg South Africa
4. Helmholtz Zentrum Dresden‐Rossendorf Helmholtz Institute Freiberg for Resource Technology Freiberg Germany
5. Department of Mineralogy TU Bergakademie Freiberg Freiberg Germany
6. Department of Geology University of Cincinnati Cincinnati OH USA
7. Department of Geoscience University of Wisconsin Madison WI USA
8. NASA Astrobiology Institute University of Wisconsin Madison WI USA
9. Geological Survey and Mines Department Mbabane Swaziland