CUI, Huan1, KAUFMAN, Alan2, XIAO, Shuhai3, ZHOU, Chuanming4, ZHU, Maoyan5, CAO, Mengchun6, LOYD, Sean7, CROCKFORD, Peter W.8, LIU, Xiao-Ming9, GODERIS, Steven10, WEI, Wang11 and GUAN, Chengguo11, (1)Department of Geosciences, Mississippi State University, Mississippi State, MS 39762; Stable Isotope Laboratory, Department of Earth Sciences, University of Toronto, Toronto, ON ON M5S, Canada, (2)Department of Geology and Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD 20742, (3)Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, (4)State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology, Palaeontology, and Center for Excellence in Life and Palaeoenvironment Chinese Academy of Sciences, Nanjing, 210008, China; Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing, 210008, China, (5)State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, 210008, China; Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing, 210008, China; College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China, (6)School of Earth Sciences and Engineering, Nanjing University, Nanjing, 210023, China, (7)Department of Geological Sciences, California State University, Fullerton, Fullerton, CA 92831, (8)Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA 02138; Department of Earth and Planetary Sciences, Weizmann Institute of Science, Rehovot, 76100, Israel, (9)Department of Geological Sciences, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599-3315, (10)Analytical, Environmental, and Geo- Chemistry Group, Vrije Universiteit Brussel, Brussels, BE-1050, Belgium, (11)State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, 210008, China; Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing, 210008, China