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 ...

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 ...