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How do I tell the difference between oceanic and continental crust?

Oceanic and Continental Crust

Oceanic crust is heavier, denser. It's largely basalt, a heavy, black, fine-grained rock.

Continental crust is lighter than oceanic crust, and "floats" on it. It is largely granitic, mostly a lighter, coarse-grained material.

Comments

10/15/2006 6:13:41 PM
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