兰州大学机构库
Thermo-mechanical destruction of Archean cratonic roots: Insights from the Mesozoic Laiyuan granitoid complex, North China Craton
Xue, Fei1,2,3; Santosh, M.3,5; Kim, Sung Won4; Tsunogae, Toshiaki2,6; Yang, Fan3,7
2021-11-01
Online publication date2021-07
Source PublicationLITHOS   Impact Factor & Quartile
ISSN0024-4937
EISSN1872-6143
Volume400-401
page numbers19
AbstractIgneous complexes with diverse magmatic suites provide essential targets for investigating magma differentiation processes and crust-mantle interaction. The North China Craton (NCC) is a crucial window to gain insights into craton destruction through voluminous magmatism during the Mesozoic involving extensive crust-mantle interaction. Here we investigate the granitoid suite from the Laiyuan complex in the central NCC to constrain the magmatic evolution and petrogenetic linkages and to gain insights into the process of crust-mantle interaction related to craton destruction. The Laiyuan granitoid complex comprises syenogranite, monzogranite, quartz monzonite and monzonite with mafic magmatic enclaves (MMEs). The granitoids were formed during the Early Cretaceous (137-128 Ma) with epsilon(Hf)(t) values and T-DM(C) ages ranging from -21.8 to -16.8 and 2564 to 2255 Ma, respectively. The compositional variations of the different rock types suggest distinct magmatic evolution and petrogenesis. Geochemical and isotopic data indicate that the enriched lithospheric mantle-derived mafic magmas underwent early-stage plagioclase-dominated and late-stage hornblende-dominated fractional crystallization to form the monzonites and quartz monzonites. Geochemical modeling results suggest that the magma of the MMEs originated through mixing between lithospheric mantle-derived mafic magma and crust-derived felsic magma with post-injection hybridization to generate MMEs with variable compositions. The monzogranites are classified as high-K calc-alkaline I-type granites with higher SiO2 contents (69-71 wt%) and lower Mg-# (41-44) than intermediate rocks. They were generated by partial melting of the basaltic lower crust, with the addition of mafic magma from an enriched mantle. The highly fractionated syenogranites with lower Mg-# (18-27) were evolved from the monzogranitic magma through plagioclase-dominated crystal removal. The adakitic affinities of the monzonites and monzogranites were generated by crystallization of mantle-derived magmas and partial melting of continental crust of normal thickness (similar to 40 km), respectively. The bottom-up crust-mantle interaction accounts for the compositional diversity of the Laiyuan granitoids, and suggests that thermo-mechanical destruction played a dominant role in the destruction of the central NCC as compared with the continental delamination process in the eastern NCC.
KeywordLaiyuan complex Granitoids Petrogenesis Crust-mantle interaction Destruction of the North China Craton
PublisherELSEVIER
DOI10.1016/j.lithos.2021.106394
Indexed BySCIE
Language英语
WOS Research AreaGeochemistry & Geophysics ; Mineralogy
WOS SubjectGeochemistry & Geophysics ; Mineralogy
WOS IDWOS:000700575700001
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/262010/570551
Collection兰州大学
Corresponding AuthorSantosh, M.
Affiliation
1.Hohai Univ, Sch Earth Sci & Engn, Nanjing 210098, Peoples R China;
2.Univ Tsukuba, Grad Sch Life & Environm Sci, Ibaraki 3058572, Japan;
3.China Univ Geosci Beijing, Sch Earth Sci & Resources, Beijing 100083, Peoples R China;
4.Korea Inst Geosci & Mineral Resources, Div Geol Res, Daejeon 305350, South Korea;
5.Univ Adelaide, Dept Earth Sci, Adelaide, SA 5005, Australia;
6.Univ Johannesburg, Dept Geol, Auckland Pk 2006, South Africa;
7.Lanzhou Univ, Sch Earth Sci, Key Lab Mineral Resources Western China Gansu Pro, Lanzhou 730000, Peoples R China
Recommended Citation
GB/T 7714
Xue, Fei,Santosh, M.,Kim, Sung Won,et al. Thermo-mechanical destruction of Archean cratonic roots: Insights from the Mesozoic Laiyuan granitoid complex, North China Craton[J]. LITHOS,2021,400-401.
APA Xue, Fei,Santosh, M.,Kim, Sung Won,Tsunogae, Toshiaki,&Yang, Fan.(2021).Thermo-mechanical destruction of Archean cratonic roots: Insights from the Mesozoic Laiyuan granitoid complex, North China Craton.LITHOS,400-401.
MLA Xue, Fei,et al."Thermo-mechanical destruction of Archean cratonic roots: Insights from the Mesozoic Laiyuan granitoid complex, North China Craton".LITHOS 400-401(2021).
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