Vaalbara
Hypothetical Archaean supercontinent from about 3.6 to 2.7 billion years ago
Vaalbara
Vaalbara is a hypothetical Archean supercontinent consisting of the Kaapvaal Craton (in present-day eastern South Africa) and the Pilbara Craton (in present-day north-western Western Australia). E. S. Cheney derived the name from the last four letters of each craton's name. The two cratons consist of continental crust dating from 3.6 to 2.7 Ga; this timing would make Vaalbara one of Earth's earliest supercontinents.
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