| At longer time-scales, plate tectonic activity appears quasi-periodic and self-organizes into the supercontinent cycle. |
| About 500m years later, its pieces reassembled to form yet another supercontinent, called Rodinia. |
| Some 250 million years ago, all the continents were grouped into a single supercontinent known as Pangaea. |
| The hundred million years and more of Pangean history saw a succession of cosmopolitan animal dynasties spread over the entire supercontinent. |
| The salt was formed in a sea that existed when the supercontinent Pangea broke up some 200 million years ago. |
| Geological evidence shows that all continents remained united as the supercontinent Pangea during Triassic times. |
