Rocks from the Xisha Islands, Northwestern South China Sea Yu Zhang 1,2,3 , Kefu Yu 1,2,3, * 1 2 3 4 *...South China Sea, Nanning 530004, China; haishuixing2@163.com Coral Reef Research Center of China, Guangxi...Nanning 530004, China School of Marine Sciences, Guangxi University, Nanning 530004, China School of Earth...Engineering, Nanjing University, Nanjing, 2100093, China; qhd760@sohu.com Correspondence: kefuyu@scsio.ac...drilling in the Xisha Islands, northwestern South China Sea. A systematic mineralogical study of these samples |