Geography, asked by princebhagat5252, 10 months ago

The boundary between lower crust and upper mantle

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Answered by Haarsh1094
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The crust lies on top of the mantle, a configuration that is stable because the upper mantle is made of peridotite and so is significantly denser than the crust. The boundary between the crust and mantle is conventionally placed at the Mohorovičić discontinuity, a boundary defined by a contrast in seismic velocity.

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