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Title: Seafloor Spreading and Seafloor Magnetization.
Caption: This animation examines magnetization of the seafloor near a divergent boundary. It goes through three successive periods of time: normal polarity, reverse polarity, and a return to normal polarity.
Keywords: plate tectonics, tectonic plates, volcanism, volcanoes, divergent boundary, boundaries, mid-ocean ridges, seafloor spreading, paleomagnetism, magnetic fields, magnetization, polarity, reverse polarities