IGGCAS OpenIR  > 岩石圈演化国家重点实验室
Diapir Melting of Subducted Melange Generating Alkaline Arc Magmatism and Its Implications for Material Recycling at Subduction Zone Settings
Wang, Kai1,2; Cai, Keda1,2; Sun, Min3; Wang, Xiangsong3; Xia, Xiao-Ping4; Zhang, Bo5; Wan, Bo6
2022-05-28
Source PublicationGEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
Volume49Issue:10Pages:13
AbstractAlkaline rocks crop out in subduction-related volcanic arcs globally, whose genesis is explained by partial melting of hybrid diapiric melanges in the mantle wedge. Such a new model has not yet been evidenced by field-based investigations, where melanges and alkaline arc rocks have spatial-temporal and genetic connections. In this study, we identified these two types of rock units exposed in Western Tianshan, and established their petrogenetic relationship through field, geochronologic, geochemical, and thermodynamic investigations. Our results suggest that partial melts produced by melting of the melange matrix at pressures of 2.8-2.4 GPa and 1.8-1.4 GPa with temperatures of 1000-1200 degrees C can replicate the major-element contents and trace-element abundances of the regional alkaline arc rocks. This finding not only supports the hypothesis that diapir melting of subducted melanges has a capacity to generate alkaline arc magma, but also provides insight into material recycling at subduction zone settings.
DOI10.1029/2021GL097693
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Hong Kong Research Grant Council ; Hong Kong Research Grant Council ; fundamental research funds for the Central Universities ; fundamental research funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Hong Kong Research Grant Council ; Hong Kong Research Grant Council ; fundamental research funds for the Central Universities ; fundamental research funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Hong Kong Research Grant Council ; Hong Kong Research Grant Council ; fundamental research funds for the Central Universities ; fundamental research funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Hong Kong Research Grant Council ; Hong Kong Research Grant Council ; fundamental research funds for the Central Universities ; fundamental research funds for the Central Universities
WOS KeywordWESTERN TIANSHAN ; HIGH-PRESSURE ; SW TIANSHAN ; NW-CHINA ; U-PB ; PHASE-EQUILIBRIA ; SOUTH TIANSHAN ; TRACE-ELEMENTS ; MANTLE ; ROCKS
Language英语
Funding ProjectNational Natural Science Foundation of China[41872082] ; National Natural Science Foundation of China[41622205] ; Hong Kong Research Grant Council[17302317] ; Hong Kong Research Grant Council[17303415] ; fundamental research funds for the Central Universities[2652018116] ; fundamental research funds for the Central Universities[2652018135]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Hong Kong Research Grant Council ; Hong Kong Research Grant Council ; fundamental research funds for the Central Universities ; fundamental research funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Hong Kong Research Grant Council ; Hong Kong Research Grant Council ; fundamental research funds for the Central Universities ; fundamental research funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Hong Kong Research Grant Council ; Hong Kong Research Grant Council ; fundamental research funds for the Central Universities ; fundamental research funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Hong Kong Research Grant Council ; Hong Kong Research Grant Council ; fundamental research funds for the Central Universities ; fundamental research funds for the Central Universities
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000800113500001
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/105974
Collection岩石圈演化国家重点实验室
Corresponding AuthorCai, Keda
Affiliation1.China Univ Geosci, Sch Earth Sci & Resources, Beijing, Peoples R China
2.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Beijing, Peoples R China
3.Univ Hong Kong, Dept Earth Sci, Hong Kong, Peoples R China
4.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Isotope Geochem, Guangzhou, Peoples R China
5.Peking Univ, Sch Earth & Space Sci, Key Lab Orogen Belts & Crustal Evolut, Beijing, Peoples R China
6.Chinese Acad Sci, Innovat Acad Earth Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Wang, Kai,Cai, Keda,Sun, Min,et al. Diapir Melting of Subducted Melange Generating Alkaline Arc Magmatism and Its Implications for Material Recycling at Subduction Zone Settings[J]. GEOPHYSICAL RESEARCH LETTERS,2022,49(10):13.
APA Wang, Kai.,Cai, Keda.,Sun, Min.,Wang, Xiangsong.,Xia, Xiao-Ping.,...&Wan, Bo.(2022).Diapir Melting of Subducted Melange Generating Alkaline Arc Magmatism and Its Implications for Material Recycling at Subduction Zone Settings.GEOPHYSICAL RESEARCH LETTERS,49(10),13.
MLA Wang, Kai,et al."Diapir Melting of Subducted Melange Generating Alkaline Arc Magmatism and Its Implications for Material Recycling at Subduction Zone Settings".GEOPHYSICAL RESEARCH LETTERS 49.10(2022):13.
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