Authors: Phillips, D Machin, KJ Kiviets, GB Fourie, LF Roberts, MA Skinner, EMW

Citation: D. Phillips et al., A petrographic and Ar-40/Ar-39 geochronological study of the Voorspoed kimberlite, South Africa: Implications for the origin of Group II kimberlite magmatism, S AFR J GEO, 101(4), 1998, pp. 299-306