Examples of these petrified stromatolites have been identified in the Vredefort area and have been specified as an outlying part of the World Heritage Site.
Dikao tsa di-stromatolite tse di tshgileng tota di supilwe mo lefelong la Vredefort mme di totobaditswe jaaka karolo tse di kwa kgakala tsa Lefelo la Ngwaoboswa ya Lefatshe.