1. Rb-Sr and K-Ar age measurements on the Great Dyke of Southern Rhodesia
2. Chromite deposits of Selukwe Rhodesia;Cotterill;Econ Geol Monograph,1966
3. African geochronology;Holmes;Colon. Geol Min,1955
4. Retrogressive Metamorphism and Phyllonitization, Amer.;Knopf;J Sci,1931
5. Some milestones in the Precambrian of Southern Rhodesia;MacGregor;Proc GeolSoc S Africa,1951