[Ding, HD; Zhang, Dinghao; Feng, Peng; Liu, Rentian; Liu, Jiabin; Ding, Huadong; Meng, Lingjie; Xie, Yanshi; Wang, Zhengqing; Yu, Yan] Univ South China, Sch Resource & Environm & Safety Engn, Hengyang, Peoples R China.
[Chen, Yulin; Liu, Zhongnan] Geophys & Geochem Survey Inst Hunan Prov, Changsha, Peoples R China.
[Zhou, Kun] Hunan Green Min Engn & Construct Co, Changsha, Peoples R China.
[Li, Ce] Nat Resources & Planning Bur Hanyuan Cty, Yaan, Peoples R China.