South African crustal fracture fluids preserve paleometeoric water signatures for up to tens of millions of years

Andrew W. Heard, Oliver Warr, Gaetan Borgonie, Borja Linage, Olukayode Kuloyo, Jonathan W. Fellowes, Cara Magnabosco, Maggie C.Y. Lau, Mariana Erasmus, Errol D. Cason, Esta van Heerden, Thomas L. Kieft, Jennifer C. Mabry, Tullis C. Onstott, Barbara Sherwood Lollar, Chris J. Ballentine