of the Sanbao Mn–Ag (Zn-Pb) Deposit in the LaojunshanOreDistrict, SE Yunnan Province, China Shengjiang...Resources and Environment, East China University of Technology, Nanchang 330013, China; shengjiangdu@163.com Chinese...Geological Science, Beijing 100037, China State Key Laboratory of OreDeposit Geochemistry, Institute of Geochemistry...Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China; liushirong@vip.gyig.ac.cn (S.L.); qinchaojian@vip...Beijing 100049, China Kunming University of Science and Technology, Kunming 650093, China; yyf701018@sina