Despite their importance to the planet's history, geological activity on the earth's surface has led to the disappearance of evidence from most impact sites and Vredefort is the only example on earth to provide a full geological profile of an astrobleme below the crater floor.'
Kwa ntle le botlhokwa jwa tsona mo hisetoring ya polanete, tiragalo ya thutatlapa mo boalogodimong jwa lefatshe bo dirile gore bosupi bo nyelele go tswa kwa mafelong a le mantsi a thulo mme Vredefort ke sekao se sekao se le sengwe fela mo lefatsheng go neelana ka tshedimosetso e e tletseng ya thutatlapa ya mosima o o tlhodilweng ke naledi e e mogatla ka fa tlase ga boalo jwa khuti."