How Gondwanna land broke into different continent.
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About 280 million to 230 million years ago, Pangaea started to split. Magma from below the Earth's crust began pushing upward, creating a fissure between what would become Africa, South America and North America. As part of this process, Pangaea cracked into a northernmost and southernmost supercontinent.
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According to plate tectonic evidence, Gondwana was assembled by continental collisions in the Late Precambrian (about 1 billion to 542 million years ago). Gondwana then collided with North America, Europe, and Siberia to form the supercontinent of Pangea. The breakup of Gondwana occurred in stages.
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