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Search Results: African superplume

The largest discrete structure in the Earth's interior, known as the African superplume, has been found beneath southern Africa within the outer...


= Encyclopedia Article; = Research Update
Seismic image of African superplume. (a) Two maps showing S-wave velocity zones at 2000 km and 2850 km (1200 mi and 1750 mi) into the mantle. The later map is just above the core-mantle boundary. (b) Cross sections of the superplume showing how the huge anomaly extends from the core-mantle boundary to the shallower mantle just below the Red Sea. (Reproduced by permission from M. Gurnis et al., Geochemistry, Geophysics, Geosystems 1, Pap. 1999-GC000035; copyright 2000, American Geophysical Union)
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