Avalonia was a palæo microcontinent also known as a Terrane . The name is derived from the Avalon Peninsula in Newfoundland. In the early Cambrian, Pannotia broke up and Avalonia broke off of Gondwana. Avalonia collided with Baltica in the Ordovician. In the Silurian, Baltica and Laurentia collided with Avalonia and trapped Avalonia between them, forming Euramerica. In the Permian, Euramerica became part of Pangæa. In the Jurassic, Pangæa split into Laurasia and Gondwana, with Avalonia as part of Laurasia. In the Cretaceous, Laurasia broke up into North AmericaNorth America is the third largest continent in area and the fourth ranked in population. It is bounded on the north by the Arctic Ocean, on the east by the North Atlantic Ocean, on the south by the Caribbean Sea, and on the west by the North Pacific Ocea and EurasiaEarth Eurasia is the combined land mass of Europe and Asia. Eurasia is alternatively considered to be a continent, or a supercontinent composed of the continents of Europe and Asia. Due to the perceived cultural differences between Asia and Europe by Euro with Avalonia split between them.
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