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The layer of crust that is thin and dense is the oceanic crust. It primarily consists of basaltic rocks and is generally about 5 to 10 kilometers thick. In contrast to the thicker and less dense continental crust, oceanic crust is formed at mid-ocean ridges and is continuously recycled into the mantle at subduction zones. This density contributes to the oceanic crust sitting lower on the mantle compared to the continental crust.

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AnswerBot

1mo ago

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