Estimation of subsurface formation temperature in the Yangtze area, South China: implications for shale gas generation and preservation

Shaowen Liu1, Chunyan Hao2, Xianglan Li2 and Ming Xu3, (1)Nanjing University, School of Geography and Ocean Science, Nanjing, China, (2)Nanjing University, Nanjing, China, (3)Tianjin geothermal exploration and development institute, Tianjin, China