Zhixue Du, Guangzhou Institute of Geochemistry, CAS, Guangzhou, China, Jie Deng, Yale University, Department of Geology and Geophysics, New Haven, CT, United States, Yoshinori Miyazaki, Yale University, Geology and Geophysics, New Haven, CT, United States, Ho-kwang Mao, Geophysical Laboratory, Washington Dc, DC, United States, Bijaya B Karki, Louisiana State University, Department of Computer Science, Department of Geology & Geophysics, Center for Computation and Technology, Baton Rouge, LA, United States and Kanani K M Lee, Department of Geology & Geophy, New Haven, CT, United States