Mantle plumes from deep Earth's interior play a significant role in mantle convection and plate tectonics.Their impact on oceanic lithosphere is invoked to initiate oceanic subduction and modern plate tectonics in...Mantle plumes from deep Earth's interior play a significant role in mantle convection and plate tectonics.Their impact on oceanic lithosphere is invoked to initiate oceanic subduction and modern plate tectonics in the early Earth.They may also contribute to the rifting and break-up of continents and follow oceanic spreading to form open ocean basins during the early stage of the Wilson cycle in the Phanerozoic[1,2].In present-day ocean basins,longlived mantle plume activities coupled with plate motions are supposed to leave spectacular age-progressive trails of intraplate magmatism,such as the 6000-km Emperor-Hawaian volcanic seamount chain across the Pacific plate.展开更多
基金supported by the National Natural Science Foundation of China(91955202 and 42102042)the China Postdoctoral Science Foundation(2021M700198)。
文摘Mantle plumes from deep Earth's interior play a significant role in mantle convection and plate tectonics.Their impact on oceanic lithosphere is invoked to initiate oceanic subduction and modern plate tectonics in the early Earth.They may also contribute to the rifting and break-up of continents and follow oceanic spreading to form open ocean basins during the early stage of the Wilson cycle in the Phanerozoic[1,2].In present-day ocean basins,longlived mantle plume activities coupled with plate motions are supposed to leave spectacular age-progressive trails of intraplate magmatism,such as the 6000-km Emperor-Hawaian volcanic seamount chain across the Pacific plate.