1. Barton, J.M., Ryan, B., Fripp, R.E.P., 1983. Rb–Sr and U–Th–Pb isotopic studies of the Sand River Gneisses, central zone, Limpopo mobile belt. Spec. Publ. Geol. Soc. South Africa 8, pp. 9–18.
2. Single zircon age for the felsic Rubbervale Formation, Murchison Greenstone Belt, South Africa;Brandl;S. Afr. J. Geol.,1996
3. High-resolution garnet chronometry and the rates of metamorphic processes;Burton;Earth Planet. Sci. Lett.,1991
4. The Sm–Nd age of Kambalda volcanics is 500Ma too old!;Chauvel;Earth Planet. Sci. Lett.,1985
5. A study of strontium diffusion in apatite using Rutherford backscattering spectroscopy and ion implantation;Cherniak;Geochim. Cosmochim. Acta,1993