1 gen 750000000 anni a. C. - Avalonia
Descrizione:
Avalonia was a microcontinent in the Paleozoic era. Crustal fragments of this former microcontinent underlie south-west Great Britain, southern Ireland, and the eastern coast of North America. It is the source of many of the older rocks of Western Europe, Atlantic Canada, and parts of the coastal United States. Avalonia is named for the Avalon Peninsula in Newfoundland.
Aggiunto al nastro di tempo:
Data:
1 gen 750000000 anni a. C.
Adesso
~ 5883516 years ago