Impact Craters

Relation to Archean Witwatersrand Gold and Uranium Ore Deposits

Witwatersrand Golden Arc

The Vredefort impact structure encompasses the bulk of the Witwatersrand Basin Fig. 3 . The synclinal structure of the supracrustal sequence from the Witwatersrand to the Transvaal Supergroup in the environs of the Vredefort Dome represents effective downwarping of the stratigraphic units including those of the Witwatersrand Supergroup McCarthy et al. 1990 . This entire succession containing the gold- and uranium-rich conglomerate horizons known locally as reefs of the Witwatersrand Supergroup...