Ugwu Makhonjwa, nke a maara dị ka Barberton Greenstone Belt na Mpumalanga, agbakwunyere na ndepụta UNESCO World Heritage Site, na-ebute mkpokọta saịtị South Africa ruru 10.
Otu n'ime ihe owuwu geological kacha ochie n'ụwa, oke ugwu Makhonjwa na-anọchite anya usoro mgbawa ugwu na sedimentary nke dị n'agbata afọ 3.6 ruo 3.25 mgbe kọntinent mbụ malitere ịmalite, yana meteor-mmetụta fallback breccias guzobere obere oge ka emechara. Nnukwu ogbunigwe ahụ malitere na 4.6 ruo 3.8 ijeri afọ gara aga.
Dị na ugwu-ọwụwa anyanwụ South Africa, ihe onwunwe ahụ nwere 40% nke Barberton Greenstone Belt. Ọ na-egosipụta meteor-mmetụta fallback breccias sitere na mmetụta nke meteorites e hiwere obere oge ka Great Bombardment gasịrị (afọ 4.6 ruo 3.8 gara aga), bụ nke echekwara nke ọma.
Saịtị South Africa dị na ndepụta a gụnyere Robben Island, iSimangaliso Wetland Park, Cape Floral Region na ǂKhomani Cultural Landscape nke agbakwunyere n'afọ gara aga.
