Geochemical nature of seafloor basalts recovered from the Challenger Deep and implications for geochemical variations of Mariana arc magmas

Wenjing Xu, Institute of Deep Sea Science and Engineering, Chinese Academy of Sciences, Deep Sea Science Division, Sanya, China, Xiaotong Peng, Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya, China, Robert J Stern, University of Texas at Dallas, Geosciences, Richardson, TX, United States, Xisheng Xu, Nanjing University, Nanjing, China and Hengchao Xu, Sanya Institute of Deep-sea Science and Engineering, Deep-sea Science Division, Sanya, China