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When did Pangea fully form?
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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, which occurred approximately 299 million to 273 million years ago.1
The final stage of this assembly took place during the middle of the Early Permian, when the Angaran craton of Siberia fused to the landmass already formed by the collision of Gondwana and Euramerica.1