File name:


Title: Plate Motions Through Time.
Caption: This animation traces the major movements of continents and tectonic plates from 600 million years ago to the present. There are two options--"continuous play" and "explanation pauses." The latter contains more detailed information.
Keywords: plate tectonics, tectonic plates, seafloor spreading, divergent boundary, mid-ocean ridges, convergent boundaries, mountain building, Appalachians, Pangaea, continents, oceans, continental glaciers, ice sheets