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Sulfide Rb-Sr and Zircon U-Pb Dating of the similar to 825 Ma Liujiaping Cu-Zn deposit in the Northwestern Yangtze Block (China) and its tectonic implications
Su, Yan-Ping1,2; Zhang, Bao-Lin1,2,3; Li, Hui-Zhong1,3; Miao, Ya-Na1,3; Shen, Xiao-Li4
2019-03-04
发表期刊INTERNATIONAL GEOLOGY REVIEW
ISSN0020-6814
卷号61期号:4页码:448-460
摘要The Neoproterozoic Liujiaping Cu-Zn deposit is a typical VMS (volcanic massive sulfide) deposit in the northwestern Yangtze Block, which is located at the convergent region of different blocks in China. The tectonic setting could provide some implications for the Neoproterozoic tectonic evolution of the Yangtze Block. Both the metallogenic chronology and isotope geochemistry of the Liujiaping deposit are tested. Sulfides and zircons from this deposit were analysed to determine its mineralization age. The sulfide Rb-Sr isotope dating of ores yields an age of 821.0 +/- 5.0 Ma (MSWD = 0.2). The zircon U-Pb SIMS dating of volcanics yields as 825.5 +/- 5.1 Ma (MSWD = 0.3). These dating results indicate that the metallogenesis is synchronous with the volcanic eruption. The Rb contents of the sulfides range from 0.0714 x 10(-6) to 0.7986 x 10(-6), the Sr contents range from 0.6002 x 10(-6) to 15.49 x 10(-6), and the initial Sr isotopic ratios (Sr-87/Sr-86)(i) range from 0.70784 to 0.70911, with an average of 0.70815. The Pb isotopic compositions of the ores and volcanics are (Pb-206/Pb-204) = 16.751-18.051, (Pb-207/Pb-204) = 15.363-15.597 and (Pb-208/Pb-204) = 36.885-38.441. These isotopic geochemical characteristics indicate that the ore-forming materials of the Liujiaping deposit might originate from the mixture of continental crust and mantle. Other Meso-Neoproterozoic VMS deposits along the northwestern Yangtze Block are also summarized. It is concluded that the Liujiaping volcanics and other VMS deposits were formed by the partial melting of lower crust during the subduction of oceanic crust, and the northwestern margin of the Yangtze Block was located in an arc setting at similar to 820 Ma rather than intra-continental rift.
关键词Yangtze Block Liujiaping VMS deposit Rb-Sr dating U-Pb dating Neoproterozoic VMS deposits
DOI10.1080/00206814.2018.1431813
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS
关键词[WOS]SOUTH CHINA ; MAFIC INTRUSIONS ; NORTHERN MARGIN ; VOLCANIC-ROCKS ; MANTLE PLUME ; VMS DEPOSIT ; GEOCHEMISTRY ; GEOCHRONOLOGY ; RODINIA ; PETROGENESIS
语种英语
资助项目National Natural Science Foundation of China[41502064] ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS[31351460]
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS ; Innovation Engineering Project of the Chinese Academy of Sciences, CAS
WOS研究方向Geology
WOS类目Geology
WOS记录号WOS:000455852900004
出版者TAYLOR & FRANCIS INC
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/90201
专题矿产资源研究院重点实验室
通讯作者Zhang, Bao-Lin
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Earth Sci, Beijing, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Shandong Univ Sci & Technol, Coll Earth Sci & Engn, Qingdao, Peoples R China
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Su, Yan-Ping,Zhang, Bao-Lin,Li, Hui-Zhong,et al. Sulfide Rb-Sr and Zircon U-Pb Dating of the similar to 825 Ma Liujiaping Cu-Zn deposit in the Northwestern Yangtze Block (China) and its tectonic implications[J]. INTERNATIONAL GEOLOGY REVIEW,2019,61(4):448-460.
APA Su, Yan-Ping,Zhang, Bao-Lin,Li, Hui-Zhong,Miao, Ya-Na,&Shen, Xiao-Li.(2019).Sulfide Rb-Sr and Zircon U-Pb Dating of the similar to 825 Ma Liujiaping Cu-Zn deposit in the Northwestern Yangtze Block (China) and its tectonic implications.INTERNATIONAL GEOLOGY REVIEW,61(4),448-460.
MLA Su, Yan-Ping,et al."Sulfide Rb-Sr and Zircon U-Pb Dating of the similar to 825 Ma Liujiaping Cu-Zn deposit in the Northwestern Yangtze Block (China) and its tectonic implications".INTERNATIONAL GEOLOGY REVIEW 61.4(2019):448-460.
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