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How long did Pangea remain mostly assembled?
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Pangea
Distribution of landmasses, mountainous regions, shallow seas, and deep ocean basins near the end of the Permian Period. Included in the paleogeographic reconstruction are the locations of the interval's subduction zones.
Pangea was fully assembled by the Early Permian Epoch, approximately 273 million years ago. The supercontinent remained mostly intact until it began to break apart during the Early Jurassic Epoch, about 200 million years ago. Consequently, Pangea remained assembled for roughly 73 million years.1