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Published October 1984 | public
Journal Article

Seismic Tomography


The outer layer of the earth, the lithosphere, consists of a dozen rigid, crust-bearing plates that ride on the underlying mantle, rearranging continents, forming mountains, creating and destroying oceans. What drives this constant remodeling? Ultimately the motive force is the convective circulation of the mantle.

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© 1984 Scientific American.

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August 19, 2023
October 26, 2023