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Records tagged “plate-tectonics”

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  1. Evidence-backedEditorial seedExplanationenas of What evidence turned continental drift into plate tectonics?Alfred Wegener proposed continental drift in 1912 using matching coastlines, fossils and climate evidence, but lacked a mechanism. Post-war ocean-floor studies, including symmetric magnetic stripes and rock ages increasing away from mid-ocean ridges, supported seafloor spreading and led to plate tectonics.