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The geochemical history of the sedimentary rocks of the Witwatersrand as reflected in the mineralogy of the heavy-mineral assemblage of the uranium-bearing reefs of the Central Rand Group
(Potchefstroom University for Christian Higher Education, 1990)
The well-known Archaean gold deposit on the Witwatersrand is the world's principal source of this precious metal. A tectonically active hinterland comprising Archaean granite-greenstone terrane and pre-Witwatersrand ...