User:Jocacojocacoj/sandbox

Ur is the 2° Supercontinent that existed in earth But the 1° Supercontinent that existed in earth is Vaalbara. Ur formed in 3,1 Billion years ago and over in 2,8 Billion years ago. The Ur Landmasses still exist now in Antarctica, Africa And Oceania. if Vaalbara had never existed, Ur would never have existed Because Ur came from Vaalbara If you want to see the Ur continent and the other supercontinents that existed, click click in this link → here