Plate tectonics
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stanlis
Why are plates of the oceanic lithosphere denser than those of the continental lithosphere?
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replied to:  stanlis
Strangebuzz
Replied to:  Why are plates of the oceanic lithosphere denser than those of...
Because Oceanic Crust is composed of silicone and Magnesium and Continental Crust is composed of silicone and Aluminium. Magnesium is denser than Aluminium.
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