Origins and ages of fracture fluids in the South African Crust

Andrew Heard1, Oliver Warr1,2, Gaetan Borgonie3, Borja Linage-Alvarez4, Olukayode Olakunle Kuloyo5, Cara Magnabosco6, Maggie Lau7, Mariana Erasmus8, Errol Duncan Cason8, Esta van Heerden8, Thomas L Kieft9, Jennifer Mabry1, Tullis C Onstott7, Barbara Sherwood Lollar2 and Chris J Ballentine10, (1)University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, (2)University of Toronto, Department of Earth Sciences, Toronto, ON, Canada, (3)Extreme Life Isyensya, Gentbrugge, Belgium, (4)Consorcio de Promoción del Ovino, Villalpando, Spain, (5)University of Calgary, Department of Geoscience, Calgary, AB, Canada, (6)Simons Foundation, Flatiron Institute Center for Computational Biology, New York, NY, United States, (7)Princeton University, Department of Geosciences, Princeton, NJ, United States, (8)University of the Free State, Department of Microbial, Biochemical and Food Technology, Bloemfontein, South Africa, (9)New Mexico Institute of Technology, Department of Biology, Socorro, NM, United States, (10)University of Oxford, Oxford, United Kingdom