Difference between Oceanic and Continental crust

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Oceanic vs continent Crust

The outermost class of the Earth, the crust, consist of the planet. The late floats upon the molten mantle. Its structure is no the same throughout. Accordingly, the tardy is separated into 2 types; the continental crust and also the oceanic crust.

You are watching: Compare and contrast oceanic and continental crust

Oceanic CrustThe oceanic crust is that component of the earth crust that covers the ocean basins. It is composed of dark-colored rocks made up of basalt. This rock is made up of silicon, oxygen, and also magnesium.The density of the oceanic crust is around 3.0 g/cm3. The continent crust has a lower density. This difference in the typical densities allows many organic phenomenon to occur on and also below the surface ar of the Earth. The oceanic tardy scarcely floats top top the mantle.

The oceanic crust experience a peculiar phenomenon. Through age, the oceanic tardy gathers a class of cooled mantle top top the underside. This reasons the two-layered structure to sink into the hot, molten mantle. When in the mantle, the oceanic tardy melts and is thus recycled. Because of this procedure there is an lack of age oceanic crust. This phenomenon is absent or rare in the continent crust.The thickness that both the crusts additionally varies. Because that the oceanic crust, the thickness is about 3 to 6 miles which is around 5 to 10 kilometers. The oceanic tardy is thinner than the continental crust.

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Continental CrustThe continent crust accounts for 40% of the surface of the Earth. It is consisted of of granite absent which is light in color. This absent is well-off in constituents prefer silicon, aluminum, and oxygen.The density of the continental crust is much much less as contrasted to the oceanic crust. It has actually an approximate worth of 2.6 g/cm3. Because of this difference in densities in magma in between the oceanic crust and also the continental crust, the continents stay in your places, and both crusts space able come float top top the magma. The continental crust floats much an ext freely on the magma.The continental crust is much thicker when contrasted to the oceanic crust. It has actually a thickness varying from 20 mi., i m sorry is around 35 km., top top the plains, come as lot as 40 mi., i m sorry is about 70 km., ~ above the greatest mountains.Summary:

1.The oceanic late is consisted of of basalt if the continental crust is made up of granite.2.The oceanic tardy is thinner while the continental crust is lot thicker.3.The oceanic late is denser than the continent crust.4.The continental crust has better buoyancy than the oceanic crust.5.Recycling is existing in the oceanic crust while this procedure is missing in the continental crust.6.The oceanic crust is lot younger geologically 보다 the continental crust.