Topic summary

Kaapvaal Craton

Kaapvaal Craton

The Kaapvaal Craton is an Archean cratonic block in southern Africa and one of the world's oldest well-preserved fragments of continental crust. Geochronological evidence indicates that it assembled episodically between about 3.5 and 2.5 billion years ago through magmatic-arc development, accretion and the amalgamation of several crustal domains.

Similarities between late-Archean successions on the Kaapvaal and Pilbara Cratons led to the hypothesis that they once formed the proposed Vaalbara supercontinent, although the reconstruction remains debated.