Hydrogeochemical constraints on the genesis, fluid mixing, and heavy metal mobilization of low-temperature geothermal systems in the Mufushan granite batholith, South China - Linxin Li; Zhengqing Wu; Lei Wang; Jian Ou; Jing Pi; Sheng Liu; Lala Wei; Liuqin Huang; Hongchen Jiang; Yanlong Dong (Geothermics, 2026)