Why is it that continent crust is less dense than oceanic, wherein in reality continental tardy is thicker 보다 oceanic crust?


You are watching: Is oceanic crust more dense than continental

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Oceanic late largely is composed of iron and magnesium (very dense metals) whereas continental crust is made up of silicon and aluminum (not very dense elements). Imagine you role a sphere of aluminum foil, and compare the load of a slim sheet the iron. The iron will certainly feel much much heavier than that substantial ball that aluminum due to the fact that it is therefore much an ext dense!


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Hi! continental crust is much less dense since of the composition. Continental crust is consisted of of felsic product (SiO4)-- greatly granite. The density of continent crust is 2.9 g/cm^3. Oceanic crust, if thinner, is do of mafic products (Fe, Mg)-- mainly basalt. The thickness of oceanic crust is 3.0g/cm^3.

The quantity of material has actually nothing to perform with it"s density, because density is a "per volume" measurement-- the materials that consist of the different varieties of tardy have everything to carry out with their corresponding densities.


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