YANG Zong-wen 1, LIU Ling 1, LIAO Li-ping 2, QIN Chao-jian 3, WEN Han-jie 3
(1. 101 Geological Party, Guizhou Bureau of Geology and Mineral Exploration ＆ Development, Kaili 556000, China;
2. Guizhou Bureau of Geology and Mineral Exploration ＆ Development, Guiyang 550001, China;
3. State Key Laboratory of Ore Deposit Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China )
Abstract：Through field investigation, sampling and testing analysisof the Jinbao lead-zinc deposit in Zhenyuan County, Guizhou Province, China , geochemical characteristics of C, O and S isotopes were studied . The δ13C of calcite and dolomite samples range from -5.7‰ to -6.9‰ and -5‰ to -7‰ in the typical igneous carbonatite area, the δ18O are 11.2‰ to 12.2‰, higher than those of carbonatite, indicating that low temperature alteration increase O isotope of carbonatite. Sphalerite shows an intensive S isotope distribution of (11.5‰ to 14.2‰). According to the C isotopes found, the mineral resource may come from deep in the mantle or through magmatism. By doing stable C-O isotopes tracer analyses together with the geological conditions of the study area and characteristics of the deposit, it is surmised that ore-forming hydrothermal fluids had some relation with magmatism.
Keywords：stable isotope; Ore-forming fluid; Jinbao lead-zinc deposit
Email: 1020502991@qq.com
ACTA MINERALOGICA SINICA Vol. 35, No. 2, 2015, Page 147-153
