It eventually broke into Laurentia, Siberia, Baltica, and Gondwana by the early Cambrian Period. Laurentia was made up of mostly the present-day U.S. and Greenland. By the Devonian period around ...

Gondwana drifted south throughout the period, finally settling on the South Pole. The landmass that would become North America was combined into the supercontinent of Laurentia, which was ...

In the figure can be seen the possible paleogeographic locations of the terranes in the Tibetan Plateau and environs. Ind=India; Au=Australia; Ant=Antarctic; Kal=Kalahari; SF=San Francisco; Con ...