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Why do oceanic plates subduct continental plates

Why do oceanic plates subduct continental plates-example-1
User Daremon
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Because they are composed of material that is denser than that of the continental crust. As such oceanic crust is less buoyant than continental crust and so where oceanic crust collides with continental crust, the oceanic rust tends to be forced beneath the continental crust.
User Matt Bierner
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