34K views · 376 reactions | This animation shows the plate tectonic and paleogeographic evolution of the Earth back to 540 million years. It also shows the major ice ages at: 20,000 years, 300 years, and 445 million years. This animation should be cited as: Scotese, C.R., 2016. Plate Tectonics, Paleogeography, and Ice Ages, (Modern World - 540Ma). Source: scotese.com | Scienze della Terra | Facebook