how did pangea form
Pangaea was a supercontinent that formed approximately 300 million  years ago. It existed during the Paleozoic and early Mesozoic eras,  breaking apart to form the continent â¦ s we know today after about 100  million years.20 people found this useful. Julie Kostka.  Pangaea is believed to have formed around 300 million years ago and  began to break up around 175 million years ago.