And here I thought that this were going to be about the much younger event of the north American and European landmasses separating.<br>After all, the Scandinavian mountain range, Scotland and a fair bit of Newfoundland and potentially the Appalachian mountains were all once just one long mountain range.<br><br>Though, then there is the much much younger event called the formation of what we now call Iceland. Dinosaurs had time to die out before Iceland reached above the waves.