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  2. 地质与地球物理研究所
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  4. 岩石圈演化国家重点实验室
Chalcophile elements of the Early Cretaceous Guojialing granodiorites and mafic enclaves, eastern China, and implications for the formation of giant Jiaodong gold deposits

文献类型：期刊论文

作者Xu, Zhe4; Wang, Zaicong4; Guo, Jing-Liang4; Liu, Yanhong3; Guo, Jinghui3; Cheng, Huai4; Chen, Kang4; Wang, Xiang4; Zong, Keqing4; Zhu, Zhaoxian4
刊名JOURNAL OF ASIAN EARTH SCIENCES
出版日期2022-10-15
卷号238页码:14
ISSN号1367-9120
关键词Magma underplating Gold pre-enrichment Mafic microgranular enclave Sulfide Jiaodong gold deposit
DOI10.1016/j.jseaes.2022.105374
英文摘要Mantle-derived magmas widely underplated the lower crust of eastern North China Craton (NCC) during the large-scale extension in the Mesozoic. The giant Jiaodong gold deposits formed at 120 +/- 5 Ma, slightly later than the extensive magma underplating. It remains poorly constrained whether the magma underplating had pre-enriched the crust in significant sulfides and gold (Au) via sulfide accumulation, facilitating subsequent regional Au mineralization in the Jiaodong. In this study, we applied high-precision methods to determine the concentrations of S, Cu, Ag, and Au in the Mesozoic mafic and felsic igneous rocks related to the Jiaodong gold deposits. The studied samples include Guojialing granodiorites (n = 7) and their coeval mafic microgranular enclaves (MMEs, n = 13), as well as two Linglong granites. The Linglong and Guojialing granitoids display no sulfides and extremely low Au concentrations, so they are unlikely to be the major Au source. The MMEs resulted from Mesozoic magma underplating and related magma mixing at similar to 130 Ma. The MMEs are also free of sulfides and show remarkably low concentrations of S, Cu, Ag, and Au. The S concentrations of MMEs are far lower than those required for sulfide saturation. This indicates that the S- and Au-depleted nature of MMEs was unlikely caused by sulfide segregation of sulfide-saturated magmas but inherited from the S- and Au-poor parental magmas. Therefore, the mantle-derived mafic magmas in the Jiaodong Peninsula, which had underplated the lower crust before 130 Ma, probably have not led to the extensive sulfide accumulation and gold pre-enrichment in the deep crust.
WOS关键词METASOMATIZED LITHOSPHERIC MANTLE ; ZIRCON U-PB ; NORTH CHINA ; OROGENIC GOLD ; MESOZOIC GRANITOIDS ; SULU OROGEN ; JIAOBEI TERRANE ; TRACE-ELEMENTS ; HF ISOTOPES ; LOWER CRUST
资助项目National Natural Science Foundation of China[41973024] ; National Natural Science Foundation of China[41722302] ; National Natural Science Foundation of China[41673027] ; National Key Research and Devel-opment Program of China[2016YFC0600103] ; Chinese Fundamental Research Funds for the Central Universities[CUG170602]
WOS研究方向Geology
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000863067400003
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Devel-opment Program of China ; National Key Research and Devel-opment Program of China ; Chinese Fundamental Research Funds for the Central Universities ; Chinese Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Devel-opment Program of China ; National Key Research and Devel-opment Program of China ; Chinese Fundamental Research Funds for the Central Universities ; Chinese Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Devel-opment Program of China ; National Key Research and Devel-opment Program of China ; Chinese Fundamental Research Funds for the Central Universities ; Chinese Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Devel-opment Program of China ; National Key Research and Devel-opment Program of China ; Chinese Fundamental Research Funds for the Central Universities ; Chinese Fundamental Research Funds for the Central Universities
源URL[http://ir.iggcas.ac.cn/handle/132A11/107799]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Wang, Zaicong
作者单位1.Qinghai Geol Survey Inst, Xining 810000, Peoples R China
2.China Univ Geosci, Sch Earth Resources, Wuhan 430074, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
4.China Univ Geosci, Sch Earth Sci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
推荐引用方式
GB/T 7714		 Xu, Zhe,Wang, Zaicong,Guo, Jing-Liang,et al. Chalcophile elements of the Early Cretaceous Guojialing granodiorites and mafic enclaves, eastern China, and implications for the formation of giant Jiaodong gold deposits[J]. JOURNAL OF ASIAN EARTH SCIENCES,2022,238:14.
APA Xu, Zhe.,Wang, Zaicong.,Guo, Jing-Liang.,Liu, Yanhong.,Guo, Jinghui.,...&Li, Hua.(2022).Chalcophile elements of the Early Cretaceous Guojialing granodiorites and mafic enclaves, eastern China, and implications for the formation of giant Jiaodong gold deposits.JOURNAL OF ASIAN EARTH SCIENCES,238,14.
MLA Xu, Zhe,et al."Chalcophile elements of the Early Cretaceous Guojialing granodiorites and mafic enclaves, eastern China, and implications for the formation of giant Jiaodong gold deposits".JOURNAL OF ASIAN EARTH SCIENCES 238(2022):14.

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来源：地质与地球物理研究所

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