Mining seismicity in the Witwatersrand ... - ScienceDirect
In South Africa, the 2.8 Ga Witwatersrand Basin on the Kaapvaal Craton comprises one of the world's largest gold placer deposits.This elliptical basin stretches over an arc of roughly 400 km traversing across the Free State, North West and Gauteng provinces in South Africa as shown in Fig. 1.Most of the basin is covered by younger sedimentary and volcanic rocks such …