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QUESTION - :
The thickness of the crust below the continents is less as compared to oceans.
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naresh9629:
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The continental crust is the layer of granitic, sedimentary and metamorphic rocks which form the continents and the areas of shallow seabed close to their shores, known as continental shelves.
It is less dense than the material of the Earth's mantle and thus "floats" on top of it.
Continental crust is also less dense than oceanic crust, though it is considerably thicker; mostly 35 to 40 km versus the average oceanic thickness of around 7-10 km.
About 40% of the Earth's surface is now underlain by continental crust.
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It is less dense than the material of the Earth's mantle and thus "floats" on top of it.
Continental crust is also less dense than oceanic crust, though it is considerably thicker; mostly 35 to 40 km versus the average oceanic thickness of around 7-10 km.
About 40% of the Earth's surface is now underlain by continental crust.
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- The crust below the continent is thicker than that below the ocean.
- The average thickness below the continent is 35-40 km while that below the ocean is 7 km.
- The crust below the ocean though is denser.
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