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Vaalbara is a hypothetical Archean supercontinent consisting of the Kaapvaal Craton (now in eastern South Africa) and the Pilbara Craton (now in north-western Western Australia). E. E. S.
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A map of the Barberton Greenstone Belt in southern Africa. Similarities between the Barberton Greenstone Belt in the Kaapvaal Craton and the eastern part of the Pilbara Craton indicate that the two formations were once joined as part of the supercontinent Vaalbara , one of Earth's earliest supercontinents . [ 3 ]
Vaalbara: 3,636–2,803: Eoarchean-Mesoarchean: Also described as a supercraton or just a continent [13] Ur: 2,803–2,408: Mesoarchean-Siderian: Described as both a continent [2] and a supercontinent [14] Kenorland: 2,720–2,114: Neoarchean-Rhyacian: Alternatively the continents may have formed into two groupings Superia and Sclavia [15] [4 ...
The following other wikis use this file: Usage on bn.wikipedia.org ভালবারা; Usage on ca.wikipedia.org Vaalbara; Crató de Kaapvaal; Usage on cs.wikipedia.org
The Kaapvaal Craton covers an area of approximately 1,200,000 km 2 (460,000 sq mi) and is joined to the Zimbabwe Craton to the north by the Limpopo Belt.To the south and west, the Kaapvaal Craton is flanked by Proterozoic orogens, and to the east by the Lebombo monocline that contains Jurassic igneous rocks associated with the break-up of Gondwana.
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Vaalbara was the first supercontinent. [2] Europe is the newest continent. [ 3 ] Geologists have predicted that certain continents will appear, these being Pangaea Proxima , Novopangaea , Aurica , and Amasia .