IGGCAS OpenIR  > 岩石圈演化国家重点实验室
Palaeoarchaean deep mantle heterogeneity recorded by enriched plume remnants
Wang, Chao1,2; Song, Shuguang1; Wei, Chunjing1; Su, Li3,4; Allen, Mark B.5; Niu, Yaoling2,5; Li, Xian-Hua6; Dong, Jinlong1
2019-08-01
Source PublicationNATURE GEOSCIENCE
ISSN1752-0894
Volume12Issue:8Pages:672-+
AbstractThe thermal and chemical state of the early Archaean deep mantle is poorly resolved due to the rare occurrences of early Archaean magnesium-rich volcanic rocks. In particular, it is not clear whether compositional heterogeneity existed in the early Archaean deep mantle and, if it did, how deep mantle heterogeneity formed. Here we present a geochronological and geochemical study on a Palaeoarchaean ultramafic-mafic suite (3.45-Gyr-old) with mantle plume signatures in Longwan, Eastern Hebei, the North China Craton. This suite consists of metamorphosed cumulates and basalts. The meta-basalts are iron rich and show the geochemical characteristics of present-day oceanic island basalt and unusually high mantle potential temperatures (1,675 degrees C), which suggests a deep mantle source enriched in iron and incompatible elements. The Longwan ultramafic-mafic suite is best interpreted as the remnants of a 3.45-Gyr-old enriched mantle plume. The first emergence of mantle-plume-related rocks on the Earth 3.5-3.45 billion years ago indicates that a global mantle plume event occurred with the onset of large-scale deep mantle convection in the Palaeoarchaean. Various deep mantle sources of these Palaeoarchaean mantle-plume-related rocks imply that significant compositional heterogeneity was present in the Palaeoarchaean deep mantle, most probably introduced by recycled crustal material.
DOI10.1038/s41561-019-0410-y
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Chinese Scholarship Council ; Chinese Scholarship Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Chinese Scholarship Council ; Chinese Scholarship Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Chinese Scholarship Council ; Chinese Scholarship Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Chinese Scholarship Council ; Chinese Scholarship Council
WOS KeywordLARGE IGNEOUS PROVINCES ; ARCHEAN MANTLE ; TRACE-ELEMENT ; U-PB ; GEOCHEMICAL EVIDENCE ; CONTINENTAL-CRUST ; GREENSTONE-BELT ; ZIRCON ; FERROPICRITES ; EVOLUTION
Language英语
Funding ProjectNational Natural Science Foundation of China[41430207] ; National Natural Science Foundation of China[41572040] ; National Natural Science Foundation of China[41372060] ; Fundamental Research Funds for the Central Universities of China[2652018115] ; Chinese Scholarship Council[201606010063]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Chinese Scholarship Council ; Chinese Scholarship Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Chinese Scholarship Council ; Chinese Scholarship Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Chinese Scholarship Council ; Chinese Scholarship Council ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities of China ; Fundamental Research Funds for the Central Universities of China ; Chinese Scholarship Council ; Chinese Scholarship Council
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000488119700001
PublisherNATURE PUBLISHING GROUP
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/93696
Collection岩石圈演化国家重点实验室
Corresponding AuthorWang, Chao; Song, Shuguang
Affiliation1.Peking Univ, Sch Earth & Space Sci, MOE Key Lab Orogen Belts & Crustal Evolut, Beijing, Peoples R China
2.China Univ Geosci, Sch Earth Sci & Resources, Beijing, Peoples R China
3.China Univ Geosci, Sch Sci Res, Beijing, Peoples R China
4.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Beijing, Peoples R China
5.Univ Durham, Dept Earth Sci, Durham, England
6.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Wang, Chao,Song, Shuguang,Wei, Chunjing,et al. Palaeoarchaean deep mantle heterogeneity recorded by enriched plume remnants[J]. NATURE GEOSCIENCE,2019,12(8):672-+.
APA Wang, Chao.,Song, Shuguang.,Wei, Chunjing.,Su, Li.,Allen, Mark B..,...&Dong, Jinlong.(2019).Palaeoarchaean deep mantle heterogeneity recorded by enriched plume remnants.NATURE GEOSCIENCE,12(8),672-+.
MLA Wang, Chao,et al."Palaeoarchaean deep mantle heterogeneity recorded by enriched plume remnants".NATURE GEOSCIENCE 12.8(2019):672-+.
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