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Laurasia




Laurasia and Gondwanaland during the Triassic, about 200 million years ago
Laurasia and Gondwanaland during the Triassic, about 200 million years ago. Image source: Wikipedia
An ancient supercontinent of the Northern Hemisphere formed, with Gondwanaland to the south, after the splitting of Pangea (see continental drift) along a rift, the Tethyan trench. It appears to have comprised present-day Europe, North America, and northern Asia. The name is a combination of Laurentian, a geological period in North America, and Eurasia. Continental drift and plate techtonics caused Laurasia to split up into the separate continents that exist today.


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   • GEOLOGY AND PLANETARY SCIENCE