An Introduction to South Africa's Geological and Mining Heritage

Barberton basalts Basin beds Belt bodies Bushveld Cape carbonate cave Complex conglomerate consisting contain copper covered crater deformation deposits developed dolomite Dome Durban dyke early Earth east environment erosion example exposed extending fault feldspar field flows fold Formation formed fossil geological gneisses gold granite greenstone Group hills igneous impact important intrusion iron Johannesburg Karoo known komatiitic lava layers Locality lower mafic mainly major manganese margin material metamorphic million years ago minerals mining Mountain natural northern occur ocean Oribi origin outcrop overlying photograph places preserved Pretoria processes produced Province quartz quartzite range Reef region represent resistant result rise River road rocks sand sandstone sedimentary rocks sediments seen shales shows similar South Africa southern structure succession Suite Supergroup surface termed thick town Transvaal types upper Valley veins volcanic weathering western Witwatersrand younger zone