 This collision is represented by the Caledonian folding or in North America as an early phase in the Acadian orogeny.In the Permian, the new continent and another terrane, Armorica which included Iberia, drifted in from Gondwana, trapping Avalonia between it and the continent so adding Iberia/Armorica to Euramerica.This was followed up by the arrival of Gondwana.