University of the Witwatersrand, School of Geosciences, Private Bag 3, Johannesburg, 2050 South Africa ; Woods Hole Oceanographic Institution, Department of Geology and Geophysics, Clark South 172, 360 Woods Hole Road, Woods Hole, MA 02543-1542 United States
Dublin Institute for Advanced Studies, 5 Merrion Square, Dublin, 2 Ireland
Woods Hole Oceanographic Institution, Department of Geology and Geophysics, Clark South 172, 360 Woods Hole Road, Woods Hole, MA 02543-1542 United States
De Beers Group Services, Private Bag X01, Southdale, 2135 South Africa
Council for Geoscience, 280 Pretoria Street, Silverton, Pretoria, 12 South Africa
Rio Tinto Mineral Exploration Inc., PO Box 695, 7th Floor Castlemead, Lower Castle Street, Bristol, BS99 1FS United Kingdom
Geological Survey of Botswana, Private Bag 14, Lobatse, 1 Botswana
Geological Survey of Namibia, Private Bag 13 297, Windhoek, 1 Namibia
Dublin Institute for Advanced Studies, 5 Merrion Square, Dublin, 2 Ireland
Dublin Institute for Advanced Studies, 5 Merrion Square, Dublin, 2 Ireland
Dublin Institute for Advanced Studies, 5 Merrion Square, Dublin, 2 Ireland
Dublin Institute for Advanced Studies, 5 Merrion Square, Dublin, 2 Ireland