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)Nanjing Institute of Geology and Palaeontology, Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing, China, (6)State Key Laboratory of Biogeology and Environmental Geology, Wuhan, China