The metamorphic and anatectic history of Archaean metapelitic granulites from the South Marginal Zone, Limpopo Belt, South Africa by Gautier Nicoli Dissertation presented for the joint-Degree of Doctor of Geology at the University of Stellenbosch, South Africa and Université Jean Monnet, France. Thesis defended on the 20 th of April 2015 Promoters: Prof. Gary Stevens Faculty of Science Department of Earth Sciences Stellenbosch University Prof. Jean-François Moyen Faculté des Sciences Laboratoire Magmas et Volcans Université Jean-Monnet, Saint-Étienne December 2014 Jury : Mark CADDICK: Virginia Tech, USA Stéphanie DUCHENE: Université Toulouse 3 Véronique GARDIEN: Université Lyon 1 Jean-François MOYEN: Université Jean Monnet, Saint-Etienne Gary STEVENS : University of Stellenbosch, South Africa Lucie TAJCMANOVA : ETH Zürich