The world’s greatest deposit of gold is hosted by the Archaean Witwatersrand sedimentary basin,situated in the central portion of the Kaapvaal Craton of South Africa.The geological setting of this remarkable clastic ...The world’s greatest deposit of gold is hosted by the Archaean Witwatersrand sedimentary basin,situated in the central portion of the Kaapvaal Craton of South Africa.The geological setting of this remarkable clastic sedimentary deposit,which has yielded more than one third of all the gold ever produced on the planet,is discussed.The stratigraphy and structure of the Witwatersrand Supergroup is reviewed together with the sedimentology,mineralogy and geochronology of the more important auriferous conglomerate(reef)horizons.展开更多
文摘The world’s greatest deposit of gold is hosted by the Archaean Witwatersrand sedimentary basin,situated in the central portion of the Kaapvaal Craton of South Africa.The geological setting of this remarkable clastic sedimentary deposit,which has yielded more than one third of all the gold ever produced on the planet,is discussed.The stratigraphy and structure of the Witwatersrand Supergroup is reviewed together with the sedimentology,mineralogy and geochronology of the more important auriferous conglomerate(reef)horizons.
