Journal of Palaeogeography     2018 7 (1):  32-47    ISSN: 2095-3836  CN: 10-1041/P Oxygenation in carbonate microbialites and associated facies after the end-Permian mass extinction: Problems and potential solutions Stephen Kershawa, Hao Tangb, Yue Lic, Li Guod a Department of Life Sciences, Kingston Lane, Brunel University, Uxbridge UB8 3PH, UK; b State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, Sichuan Province, China; c CAS Key Laboratory of Economic Stratigraphy and Palaeogeography; Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, Jiangsu Province, China; d CASP, Department of Earth Sciences, University of Cambridge, Cambridge, CB3 0UD, UK Received: 2017-08-03  Revised: 2017-09-08  Online: null Supporting info