Origin of low δ26Mg basalts with EM-I component: Evidence for interaction between enriched lithosphere and carbonated asthenosphere

Hengci Tian1, Wei Yang2, Shu-Guang Li3, Shan Ke3 and Zhu-Yin Chu1, (1)Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, (2)Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, (3)State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing, China