[1] Hefei Univ Technol, Ore Deposit & Explorat Ctr, Sch Resources & Environm Engn, Hefei 230009, Peoples R China
[2] Anhui Prov Engn Res Ctr Mineral Resources & Mine E, Hefei 230009, Anhui, Peoples R China
[3] China Univ Geosci, Inst Earth Sci, Beijing 100083, Peoples R China
[4] Bur Geol & Mineral Resources Explorat Anhui Prov, 326 Geol Party, Anqing 246003, Peoples R China
[5] Hebei GEO Univ, Coll Resources, Shijiazhuang 050031, Hebei, Peoples R China
[6] Chinese Acad Geol Sci, Beijing 10037, Peoples R China
[7] 193 Tunxi Rd, Hefei 230009, Anhui, Peoples R China