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Topic: Sima (geology)


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 Crust (geology) - Wikipedia, the free encyclopedia
The oceanic crust (sima) is 5 to 10 km thick and is composed primarily of a dark, dense rock called basalt.
The crust forms not so much by accumulation of granite and metamorphic fold belts, but by depletion of the mantle to form buoyant lithospheric mantle.
In geology, a crust is the outer layer of a planet, part of its lithosphere.
en.wikipedia.org /wiki/Crust_(geology)   (427 words)

  
 Crust (geology) - Wikipedia, the free encyclopedia
The oceanic crust (sima) is 5 to 10 km thick and is composed primarily of a dark, dense rock called basalt.
In geology, a crust is the outer layer of a planet, part of its lithosphere.
The crust of the Earth is composed mainly of basalt and granite.
en.wikipedia.org /wiki/Crust_(geology)   (427 words)

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