IGGCAS OpenIR  > 岩石圈演化国家重点实验室
Metasomatized lithospheric mantle for Mesozoic giant gold deposits in the North China craton
Wang, Zaicong1; Cheng, Huai1; Zong, Keqing1; Geng, Xianlei1; Liu, Yongsheng1; Yang, Jinhui2; Wu, Fuyuan2; Becker, Harry3; Foley, Stephen4; Wang, Christina Yan5
2020-02-01
Source PublicationGEOLOGY
ISSN0091-7613
Volume48Issue:2Pages:169-173
AbstractThe origin of giant lode gold deposits of Mesozoic age in the North China craton (NCC) is enigmatic because high-grade metamorphic ancient crust would be highly depleted in gold. Instead, lithospheric mantle beneath the crust is the likely source of the gold, which may have been anomalously enriched by metasomatic processes. However, the role of gold enrichment and metasomatism in the lithospheric mantle remains unclear. Here, we present comprehensive data on gold and platinum group element contents of mantle xenoliths (n = 28) and basalts (n = 47) representing the temporal evolution of the eastern NCC. The results indicate that extensive mantle metasomatism and hydration introduced some gold (<1-2 pph) but did not lead to a gold-enriched mantle. However, volatile-rich basalts formed mainly from the metasomatized lithospheric mantle display noticeably elevated gold contents as compared to those from the asthenosphere. Combined with the significant inheritance of mantle-derived volatiles in auriferous fluids of ore bodies, the new data reveal that the mechanism for the formation of the lode gold deposits was related to the volatile-rich components that accumulated during metasomatism and facilitated the release of gold during extensional craton destruction and mantle melting. Gold-hearing, hydrous magmas ascended rapidly along translithospheric fault zones and evolved auriferous fluids to form the giant deposits in the crust.
DOI10.1130/G46662.1
Funding OrganizationChinese National Key Research and Development Program ; Chinese National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese National Key Research and Development Program ; Chinese National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese National Key Research and Development Program ; Chinese National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese National Key Research and Development Program ; Chinese National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS KeywordHIGHLY SIDEROPHILE ELEMENTS ; PERIDOTITE MASSIFS ; DESTRUCTION ; EVOLUTION ; BENEATH ; CONSTRAINTS ; XENOLITHS ; ISOTOPE ; GENERATION ; GENESIS
Language英语
Funding ProjectChinese National Key Research and Development Program[2016YFC0600103] ; National Natural Science Foundation of China[41722302] ; National Natural Science Foundation of China[41673027]
Funding OrganizationChinese National Key Research and Development Program ; Chinese National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese National Key Research and Development Program ; Chinese National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese National Key Research and Development Program ; Chinese National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese National Key Research and Development Program ; Chinese National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaGeology
WOS SubjectGeology
WOS IDWOS:000509553300015
PublisherGEOLOGICAL SOC AMER, INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95886
Collection岩石圈演化国家重点实验室
Corresponding AuthorWang, Zaicong
Affiliation1.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources GPMR, Sch Earth Sci, Wuhan 430074, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
3.Free Univ Berlin, Inst Geol Wissensch, D-12249 Berlin, Germany
4.Macquarie Univ, Dept Earth & Environm Sci, N Ryde, NSW 2109, Australia
5.Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China
Recommended Citation
GB/T 7714
Wang, Zaicong,Cheng, Huai,Zong, Keqing,et al. Metasomatized lithospheric mantle for Mesozoic giant gold deposits in the North China craton[J]. GEOLOGY,2020,48(2):169-173.
APA Wang, Zaicong.,Cheng, Huai.,Zong, Keqing.,Geng, Xianlei.,Liu, Yongsheng.,...&Wang, Christina Yan.(2020).Metasomatized lithospheric mantle for Mesozoic giant gold deposits in the North China craton.GEOLOGY,48(2),169-173.
MLA Wang, Zaicong,et al."Metasomatized lithospheric mantle for Mesozoic giant gold deposits in the North China craton".GEOLOGY 48.2(2020):169-173.
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