1. Thrusting, folding, and stratigraphy of the Ghaap Group along the south-western margin of the Kaapvaal Craton;Altermann;S. Afr. J. Geol.,1990
2. Geochronological Studies on Archean and Proterozoic Formations of the Foreland of the Namaqua Front and Possible Correlations on the Kaapvaal Craton;Armstrong,1987
3. Ages and isotopic evolution of the Ventersdorp volcanics;Armstrong,1986
4. Reconnaissance isotopic investigations in the Namaqua Mobile Belt and implications for Proterozoic crustal evolution-Upington Geotraverse;Barton;Spec. Publ. Geol. Soc. S. Afr.,1983
5. Feasibility of total-rock PbPb dating of metamorphosed banded iron formation; the Marydale Group, southern Africa;Barton;Chem. Geol.,1986