[1] Tianjin Normal Univ, Sch Geog & Environm Sci, Tianjin 300387, Peoples R China
[2] Chinese Acad Geol Sci, Inst Geol, Minist Nat Resources, Key Lab Deep Earth Dynam, Beijing 100037, Peoples R China
[3] Chinese Acad Geol Sci, Inst Geol, Beijing SHRIMP Ctr, Beijing 100037, Peoples R China
[4] Chinese Acad Geol Sci, Natl Res Ctr Geoanal, Beijing 100037, Peoples R China