How is oceanic crust different from continental crust? how are they the same?

Explained

Explanation:

The Oceanic crust mainly consists of a rock called basalt. This rock is made up of silicon, magnesium and oxygen. Whereas the continental crust is mainly made of ignious rocks.

The density of oceanic crust is about 3.0 gm/cm^3, which is higher than the continental crust.The oceanic crust undergoes a peculiar phenomenon where in the complete oceanic crust is transformed where is phenomenon is very are on the surface.

The thickness of continental crust varies from 3 to 6 miles whereas for oceanic crust it thinner comparatively.

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