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Palaeomagnetic reconstructions of Superior, Kola-Karelia and Kaapvaal cratons at 2680 Ma (a,d,f), 2505 Ma (b), 2440 Ma (c,e,g); of Kaapvaal and Pilbara cratons at 2775 and 2720 Ma (h,i). Arrows denote directions to the present data north. Alternative polarity option is shown with dashed outlines. See also text.
