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Sublithospheric upwelling distribution
Nature, 1980Hot spots have been defined1 as centres of volcanism not associated with plate boundaries. Some authors2,3 have regarded them as surface expressions of upwellings of relatively high temperature material in the mantle. These upwellings, either deep mantle plumes2,4, or shallow convection cells5, create a hot spot on the surface of the Earth only where ...
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