a passive continental margin, was fringing the Siberian Craton to the east in what is now the East Siberian Lowland.

Angaraland was named in the 1880s by Austrian geologist Eduard Suess who erroneously believed that in the Paleozoic Era there were two large continents in the Northern Hemisphere: "Atlantis", which was North America connected to Europe via a peninsula (Greenland and Iceland), and "Angara-land", which would