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Laurussia

Laurussia was a supercontinent formed in the Middle Palaeozoic by the collision of two Cambrian continents Laurentia[?] (Mostly the present North America) and Baltica[?] (Present Western Eurasia)). Laurussia was relatively short lived. It collided with the Southern Supercontinent Gondwanaland in the Permian to form a single continent Pangea comprising most of the Earth's continental crust.

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