兰州大学机构库
Multiple enrichment of subcontinental lithospheric mantle with Archean to Mesozoic components: Evidence from the Chicheng ultramafic complex, North China Craton
Yang, Fan1,2; Kim, Sung Won3; Tsunogae, Toshiaki4,5; Zhou, Hongying6
2021-06
Online publication date2021-03
Source PublicationGONDWANA RESEARCH   Impact Factor & Quartile
ISSN1342-937X
EISSN1878-0571
Volume94Pages:201-221
page numbers21
AbstractNumerous Late Paleozoic to Early Mesozoic mafic-ultramafic intrusions occur along the northern margin of the North China Craton (NCC). The timing, magma source, genetic types and tectonic evolution of these intrusions still remain controversial. Herewe conduct a systematic petrological, mineral chemical, whole-rock geochemical, isotopic (zircon Lu-Hf and whole-rock Sr-Nd isotopes) and geochronological study on representative samples from the Chicheng ultramafic complex in the northern NCC, our results provide new insights into multiple melt-fluid interactions in the subcontinental lithospheric mantle through time. Zircon U-Pb data from the ultramafic rocks (pyroxenite and serpentinized dunite) show a wide range of ages (2721-129 Ma), indicating zircon growth within an evolving and metasomatized mantle wedge during multi-stage melt-fluid interactions. The youngest zircon population (145-129 Ma) possibly marks the timing of formation of the Chicheng ultramafic complex at the Early Cretaceous. Moreover, these ultramafic rocks also witnessed tectonic transition from Paleo-Asian Ocean to Paleo-Pacific Plate subduction during the Paleozoic to EarlyMesozoic and subsequent progressive lithospheric thinning and craton destruction at the northernmargin of the NCC, which is also attested by the newly discovered diorite porphyry dyke from this complex reported in this study with zircon U-Pb ages in the range of 447 to 128 Ma. Zircon Lu-Hf isotopic data show epsilon Hf(t) values in the range of -19.9 to +15.4 with TDM of 219-3012Ma and TDMC of 240-3650 Ma. Whole-rock Sr-Nd isotopic data display epsilon Nd(t) values ranging from -12.3 to-1.6, indicating heterogenous sources involving both depleted mantle and reworked ancient crustal components. Whole-rock geochemical data show enrichment in LILEs (Rb, Sr, Ba, Pb) and depletion in HFSEs (Nb, Ta, Ti), with positive anomalies at Ba, K, Pb andNd and strongly negative Zr and Ti anomalies, suggesting geochemical affinities related to subduction-related island arc setting within an active continental margin. Mineral chemical data on clinopyroxenes do not correspond to Alaskan-type affinities. Integrating geochemical, geochronological and isotopic studies from this study and those from previous studies related to the maficultramafic complexes in the northern Hebei Province along the northern margin of the NCC, we propose that these complexes might be composite plutons formed during the Early Cretaceous, which were derived from the interaction of melts and fluids released from subducted slab with metasomatized mantle peridotite, triggering different degree of partial melting of mantle wedge. (C) 2021 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved.
KeywordGeochemistryZircon U-Pb-Lu-Hf and whole-rock Sr-Nd isotopesSubduction tectonicsChicheng ultramafic complexNorth China Craton
PublisherELSEVIER
DOI10.1016/j.gr.2021305
Indexed BySCOPUS ; SCIE
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000643561000003
Original Document TypeArticle
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/450784
Collection兰州大学
Corresponding AuthorYang, Fan
Affiliation
1.Lanzhou Univ, Sch Earth Sci, Key Lab Mineral Resources inWestern China Gansu P, Lanzhou 730000, Peoples R China;
2.China Univ Geosci Beijing, Sch Earth Sci & Resources, 29 Xueyuan Rd, Beijing 100083, Peoples R China;
3.Korea Inst Geosci & Mineral Resources, Geol Res Div, Daejeon 305350, South Korea;
4.Univ Tsukuba, Grad Sch Life & Environm Sci, Ibaraki 3058572, Japan;
5.Univ Johannesburg, Dept Geol, ZA-2006 Auckland Pk, South Africa;
6.Tianjin Ctr, China Geol Survey, Tianjin, Peoples R China
Recommended Citation
GB/T 7714
Yang, Fan,Kim, Sung Won,Tsunogae, Toshiaki,et al. Multiple enrichment of subcontinental lithospheric mantle with Archean to Mesozoic components: Evidence from the Chicheng ultramafic complex, North China Craton[J]. GONDWANA RESEARCH,2021,94:201-221.
APA Yang, Fan,Kim, Sung Won,Tsunogae, Toshiaki,&Zhou, Hongying.(2021).Multiple enrichment of subcontinental lithospheric mantle with Archean to Mesozoic components: Evidence from the Chicheng ultramafic complex, North China Craton.GONDWANA RESEARCH,94,201-221.
MLA Yang, Fan,et al."Multiple enrichment of subcontinental lithospheric mantle with Archean to Mesozoic components: Evidence from the Chicheng ultramafic complex, North China Craton".GONDWANA RESEARCH 94(2021):201-221.
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