作者单位:Di Liu(State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China;Graduate University of the Chinese Academy of Sciences, Beijing 100039, China)Gan Zhang,Jun Li,Yanlin Zhang,Yue Xu,Xiang Liu(State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China)Ping Ding,Chengde Shen(State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China)Yingjun Chen,Chongguo Tian(Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China)