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Mantle spread across the sea floor

The sea floor around mid-ocean ridges is often carpeted by hummocky lava flows. Images from the Southwest Indian Ridge sea floor, however, show a smooth texture created by exhumation and widespread exposure of altered mantle rocks.

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Figure 1: Models of plate spreading.


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Correspondence to Deborah Smith.

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Smith, D. Mantle spread across the sea floor. Nature Geosci 6, 247–248 (2013).

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