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Magma Superpiles May Have Shaped Continents Wednesday, December 17, 2008 - Anuradha Menon Home >> Headlines >> General Science   
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Two giant plumes of hot rock deep within the earth are linked to the plate motions that shape the continents, researchers have found. The two superplumes, one beneath Hawaii and the other beneath Africa, have likely existed for at least 200 million years, explained Wendy Panero, assistant professor of earth sciences at Ohio State University. The giant plumes -- or 'superpiles' as Panero calls them -- rise from the bottom of Earth's mantle, just above our planet's core. (source: researchnews.osu.edu)
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