*Longjian Xie^1,2,3,4、Michael Walter²、Tomoo Katsura³、Fang Xu⁵、Jianhua Wang²、Yingwei Fei² (1.Center for High Pressure Science & Technology Advanced Research, Shanghai, 201203, P.R. China、2.Earth & Planets Laboratory, Carnegie Science, Washington DC 20015, USA、3.Bayerisches Geoinstitut, University of Bayreuth, Bayreuth, 95440, Germany.、4.Department of Earth Sciences, University College London, London WC1E6BS, UK.、5.School of Earth Sciences, Zhejiang University, Hangzhou 310058, China)