fig08.htm

Figure 8. Calculated evolution of mantle flows with floating continents in the subsequent 280 to 300 Myr. At the beginning of this period, North America starts moving southward. A tendency toward the formation of two supercontinents above two Pacific subduction centers is observed. One of the supercontinents includes Eurasia and Australia, and the other includes Antarctica, Africa, South America and possibly North America.


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