中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Geological characteristics and mineralization fluid of Hongyuan Mo deposit in the West Junggar, Xinjiang

文献类型:期刊论文

作者Yan YuHong1; Wang JunNian2; Shen Ping1; Pan HongDi3; Zhong ShiHua1; Li Jing4
刊名ACTA PETROLOGICA SINICA
出版日期2015-02-01
卷号31期号:2页码:491-504
关键词Fluid Inclusion Stable Isotope Electronic Probe Hongyuan Mo Deposit West Junggar Xinjiang
文献子类Article
英文摘要The Hongyuan Mo deposit is a newly discovered porphyry-type deposit in the West Junggar region, Xinjiang, which occurs fine vein and disseminated mineralization. Main ore mineral is molybdenite, followed by chalcopyrite and pyrite. It develops hydrothermal alteration. Based on fluid inclusion studies, we find it different from typical porphyry Mo deposit, with the existence of CH, in ore-forming fluid, belonging to NaCl-H2O-CO2-CH4 fluid system. Geochemical data of biotite shows a slightly high oxygen fugacity in the granite crystallization stage. The C isotope data of CH, in ore-forming fluid is ranging from -31. 08 parts per thousand to - 26.44 parts per thousand, indicating the source of crustal organic carbon. Stage I, the early stage of mineralization, the homogenization temperature mainly is 340 similar to 360 degrees C, with high temperature-high salinity and low salinity fluids, weakly reduced fluid, Mo, Cu and other metal minerals are enriched in fluid, with little Mo, Cu mineralization, developing muscovite alteration at high temperature. Stage If, the main stage of mineralization, the homogenization temperature mainly is 280 similar to 300 degrees C, low salinity, the combined action of boiling, atmospheric water and reducing environment causes a large amount of precipitation of Mo, Cu and other metal minerals, forming the main ore body, with sericitization alteration. Stage III, the late-mineralization stage, the homogenization temperature mainly is 160 similar to 180 degrees C, fluid changes to low temperature and low salinity, with weakened mineralization and carbonatization alteration of wall rock.
WOS关键词NW CHINA ; MOLYBDENUM DEPOSITS ; PORPHYRY ; EVOLUTION ; SYSTEM
WOS研究方向Geology
语种英语
WOS记录号WOS:000350616100015
源URL[http://ir.iggcas.ac.cn/handle/132A11/62550]  
专题地质与地球物理研究所_中国科学院矿产资源研究重点实验室
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
2.Xinjiang Bur Geol & Mineral Resources, Geol Party 7, Wusu 833300, Peoples R China
3.Changan Univ, Sch Earth Sci & Resources, Xian 710054, Peoples R China
4.Hebei United Univ, Tangshan 063009, Peoples R China
推荐引用方式
GB/T 7714
Yan YuHong,Wang JunNian,Shen Ping,et al. Geological characteristics and mineralization fluid of Hongyuan Mo deposit in the West Junggar, Xinjiang[J]. ACTA PETROLOGICA SINICA,2015,31(2):491-504.
APA Yan YuHong,Wang JunNian,Shen Ping,Pan HongDi,Zhong ShiHua,&Li Jing.(2015).Geological characteristics and mineralization fluid of Hongyuan Mo deposit in the West Junggar, Xinjiang.ACTA PETROLOGICA SINICA,31(2),491-504.
MLA Yan YuHong,et al."Geological characteristics and mineralization fluid of Hongyuan Mo deposit in the West Junggar, Xinjiang".ACTA PETROLOGICA SINICA 31.2(2015):491-504.

入库方式: OAI收割

来源:地质与地球物理研究所

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