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high ridge elevation in Iceland

April 3, 2014

Using data from seismic waves, scientists have shown that the temperature deep in the Earth's mantle controls the elevation and volcanic activity along mid-ocean ridges, colossal mountain ranges that line the ocean floor. The findings, published this week in Science, bolster the idea that warm mantle plumes are responsible for "hot spot" volcanism, and shed new light on how temperature in the depths of the mantle influences the contours of the Earth's crust.

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Brown University

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