The Lower Cretaceous Giant Dyke Swarms in the Arctic and Its Significance for linking of Siberia-Iceland Hot-Spot Track

Siberia-Iceland hot-spot track is the one of hot-spot track preserved on continent.Although this hot-spot track has clear plume"heads"-Siberia large igneous province,owing to thick continental lithosphere,its continuing magmatism associated with remaining plume"tail"is unclear compare to other typical hot-spot track occurs inSiberia-Iceland hot-spot track is the one of hot-spot track preserved on continent.Although this hot-spot track has clear plume"heads"-Siberia large igneous province,owing to thick continental lithosphere,its continuing magmatism associated with remaining plume"tail"is unclear compare to other typical hot-spot track occurs in中国科学院地质与地球物理研究所1Vol.9