Before Pangea, Earth may have been dominated by a supercontinent called Pannotia. Once considered a key piece in the puzzle of our planet’s geological history, Pannotia’s existence is now being ...
The continents as we know them resulted when the proto­continent Pangaea broke apart and its fragments made the long slow journey to their present positions. The process took about 200 m­illion years.
Pangaea was a massive supercontinent that formed between 320 million and 195 million years ago. At that time, Earth didn't have seven continents, but instead one giant one surrounded by a single ocean ...
Back when Pangaea was the only continent around, a vast ocean covered the rest of the planet. Now, researchers have found the remains of a large arc of islands that once divided this enormous body of ...