Synthesis of geochemical techniques to identify the origin and multistage evolution of saline water in a complex geothermal systemYinlei Hao, Zhonghe Pang, Tianming Huang, Yanlong Kong, Jiao Tian and Yingchun WangE3S Web Conf., 98 (2019) 08005DOI: https://doi.org/10.1051/e3sconf/20199808005