Sulfate-driven anaerobic oxidation of methane as the origin of extremely 13C-depleted calcite in the Doushantuo cap carbonates in South China

Yongbo Peng1, Huiming Bao1, Ganqing Jiang2, Alan Jay Kaufman3, Shuhai Xiao4, Chuanming Zhou5 and Jiasheng Wang6, (1)Louisiana State University, Department of Geology & Geophysics, Baton Rouge, LA, United States, (2)University of Nevada Las Vegas, Las Vegas, NV, United States, (3)Univ Maryland, Ashton, MD, United States, (4)Virginia Tech, Blacksburg, VA, United States, (5)CAS Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing Institute of Geology, Palaeontology and Center for Excellence in Life and Palaeoenvironment, Chinese Academy of Sciences, Nanjing, China, (6)State Key Laboratory of Biogeology and Environmental Geology, Wuhan, China