Scientists unearth 20 million years of ‘hot spot’ magmatism under Cocos plate

Atlanta GA (SPX) Jun 21, 2023

Ten years ago, Samer Naif made an unexpected discovery in Earth’s mantle: a narrow pocket, proposed to be filled with magma, hidden some 60 kilometers beneath the seafloor of the Cocos Plate. Mantle melts are buoyant and typically float toward the surface – think underwater volcanoes that erupt to form strings of islands. But Naif’s imaging instead showed a clear slice of semi-molten rock: low-d
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