1. Zircon ion microprobe studies on the age and evolution of the Witwatersrand Triad;Armstrong;Precambrian Res.
2. Feasibility of total-rock Pb-Pb dating of metamorphosed banded iron formation, the Marydale Group;Barton;South Africa: Chem. Geol.,1986
3. New evidence for thrust faulting in Griqualand West, youth Africa; implications for stratigraphy and the age of red beds;Beukes;S. Afr. Jour. Geol.,1987
4. Focussed fluid flow and Mississippi Valley-type Deposits;Clendenim;Geolody.,1990