Kaapvaal Craton

(from the article `Africa`) The African continent essentially consists of five ancient Precambrian cratons (Kaapvaal, Zimbabwe, Tanzania, Congo, and West African) that were ... ...different parts of the world as cratons, shields, provinces, or blocks. Some examples include: the North Atlantic craton that incorporates ... [2 related a...
Found on http://www.britannica.com/eb/a-z/k/1

Kaapvaal Craton

The Kaapvaal Craton (centred on Limpopo Province in South Africa), along with the Pilbara Craton of Western Australia, are the only remaining areas of pristine 3.6–2.5 Ga (billion years ago) crust on Earth. Similarities of rock records from both these cratons, especially of the overlying late Archean sequences, suggest that they were once part o...
Found on http://en.wikipedia.org/wiki/Kaapvaal_Craton
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