Super-continents
During Earth's history several supercontinents have formed and split up.
Vaalbara
Possibly the earliest super-continent on Earth as plate tectonics began, although debate exists and some consider this to be a supercraton
Vaalbara forms in the Paleoarchean (possibly as late as 3.2 Ga or 3,200 Ma)
The name "Vaalbara" comes from evidence at the South African Kaapvaal craton and the West Australian Pilbara craton
Ur
Another early supercontinent, that formed in Mesoarchean, around 3.1 Ga or 3,100 Ma
The evidence for Vallbara and Ur seem to conflict; Ur would forms as Vallbara is splitting up
Some researchers also consider Ur to be a supercraton
Kenorland
Kenorland is thought to have formed during the Neoarchaean, around 2.72 Ga, by the accretion of Neoarchaean cratons
Columbia
Also known as Nuna or Hudsonland, is thought to have existed 2.5-1.5 Ga, in the Paleoproterozoic
The assembly of the supercontinent Columbia was completed by global-scale collisional events during 2.1–1.8 Ga. (Zhao et al. 2002)
Rodinia
A supercontinent during the Neoproterozoic, 1,100–633 million years ago
Pannotia
Pannotia was a relatively short-lived Neoproterozoic supercontinent that formed at the end of the Precambrian during the Pan-African orogeny (650–500 Ma), during the Cryogenian, and broke apart 560 Ma with the opening of the Iapetus Ocean, in the late Ediacaran and early Cambrian
Gondwana
The formation of Gondwana began 800-650 Ma with the East African Orogeny, the collision of India and Madagascar with East Africa
It was completed 600-530 Ma with the overlapping Brasiliano and Kuunga orogenies, the collision of South America with Africa, and the addition of Australia and Antarctica, respectively
Pangaea
