Magnesium and calcium isotopic characteristics of Tengchong volcanics: Recycling of marine carbonates into the SE Tibetan mantle

Fang Liu1, Zhaofeng Zhang1, Yufei Liu1, Hongli Zhu2, Jinting Kang3, Chenlei Zhang1, Weidong Sun2 and Guiqin Wang4, (1)State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China, (2)GIG Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China, (3)University of Science and Technology of China, School of Earth and Space Sciences, Hefei, China, (4)GIG Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, State Key Laboratory of Isotope Geochemistry, Guangzhou, China