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Melt inclusions in phenocrysts track enriched upper mantle source for Cenozoic Tengchong volcanic field, Yunnan Province, SW China

文献类型：期刊论文

作者Duan, Xian-Zhe1; Fan, Hong-Rui2; Zhang, Hong-Fu3; Yaxley, Greg4; Santosh, M.5,6; Tian, Heng-Ci7; Tan, Kai-Xuan1; Tang, Zhen-Ping1; Xie, Yan-Shi1; Xiao, Yi-Lin8
刊名LITHOS
出版日期2019
卷号324页码:180-201
关键词Tengchong volcano field (TVF) Tibetan plateau Melt inclusions Enriched upper mantle Subduction of oceanic crust
ISSN号0024-4937
DOI10.1016/j.lithos.2018.10.034
英文摘要The Tengchong Volcano Field (TVF), located at the southeastern margin of the Tibetan Plateau, is the only Cenozoic volcanic-related geothermal region around the Himalayan geothermal belt that extends from southwestern Tibet to western Yunan along the Indo-Asian suture zone. The volcanic rock suites from this field are important proxies for the India-Eurasia convergence since the Late Cretaceous, Here, we investigate the melt inclusions hosted in the Tengchong volcanoes from different locations including Qingliangshan, Heikongshan and Dayingshan based on petrological and geochemical data with a view to gain insights on the magma sources and petrogenesis. Olivine (Ol), clinopyroxene (Cpx), orthopyroxene (Opx) and plagioclase (PI) phenocrysts from basalts and andesites of the Tengchong volcanic rocks carry abundant melt inclusions. These melt inclusions are high in silica and alkali contents, and enriched in light rare earth elements (ILREEs) and large ion lithophile elements (ULEs) such as Rb, Th, U, K, Pb, but depleted in high field strength elements (HFSEs) including Nb, Ta, Ti, P, with arc-like signature. The geochemical features of the melt inclusions suggest that the TVF volcanic rocks are possibly cogenetic, but with a progressive increase in the degree of magma evolution from Qingliangshan, through Heikongshan to Dayingshan. Melt and trace element modeling indicates that the magmas probably originated through variable degrees of partial melting of LREE-enriched upper mantle within garnet stability field with significant contributions from subducted oceanic crust. The melts were contaminated with continental crustal during ascent, followed by fractional crystallization. The volcanic activity was controlled by major Late Cenozoic dextral strike-slip faults within an extensional setting related to the geodynamic evolution of India plate. Our study provides insights into the tectonics accompanying the India-Eurasia collision. (C) 2018 Elsevier B.V. All rights reserved.
WOS关键词PYROXENE-RICH WEBSTERITE ; WESTERN YUNNAN ; CARBONATITE METASOMATISM ; ULTRAPOTASSIC MAGMATISM ; CHEMICAL-COMPOSITION ; POTASSIC BASALTS ; NORTHEAST CHINA ; PB ISOTOPE ; ELEMENT ; ROCKS
资助项目National Natural Science Foundation of China[41503016] ; Natural Science Foundation of Hunan Province of China[2017JJ3261] ; China Postdoctoral Science Foundation[2015M582334] ; Outstanding Youth Project of Education Department of Hunan Province[15B201] ; Doctoral research Foundation of University of South China[2014XQD08] ; China Scholarship Council (CSC)[201608430035]
WOS研究方向Geochemistry & Geophysics ; Mineralogy
语种英语
WOS记录号WOS:000457819800013
出版者ELSEVIER SCIENCE BV
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Hunan Province of China ; Natural Science Foundation of Hunan Province of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Outstanding Youth Project of Education Department of Hunan Province ; Outstanding Youth Project of Education Department of Hunan Province ; Doctoral research Foundation of University of South China ; Doctoral research Foundation of University of South China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Hunan Province of China ; Natural Science Foundation of Hunan Province of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Outstanding Youth Project of Education Department of Hunan Province ; Outstanding Youth Project of Education Department of Hunan Province ; Doctoral research Foundation of University of South China ; Doctoral research Foundation of University of South China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Hunan Province of China ; Natural Science Foundation of Hunan Province of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Outstanding Youth Project of Education Department of Hunan Province ; Outstanding Youth Project of Education Department of Hunan Province ; Doctoral research Foundation of University of South China ; Doctoral research Foundation of University of South China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Hunan Province of China ; Natural Science Foundation of Hunan Province of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Outstanding Youth Project of Education Department of Hunan Province ; Outstanding Youth Project of Education Department of Hunan Province ; Doctoral research Foundation of University of South China ; Doctoral research Foundation of University of South China ; China Scholarship Council (CSC) ; China Scholarship Council (CSC)
源URL[http://ir.iggcas.ac.cn/handle/132A11/90503]  
专题地质与地球物理研究所_中国科学院矿产资源研究重点实验室
通讯作者Duan, Xian-Zhe
作者单位1.Univ South China, Sch Resource & Environm & Safety Engn, Hengyang 421001, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
3.Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Xian 710069, Shaanxi, Peoples R China
4.Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT 2602, Australia
5.China Univ Geosci Beijing, Sch Earth Sci & Resources, 29 Xueyuan Rd, Beijing 100083, Peoples R China
6.Univ Adelaide, Ctr Tecton Explorat & Res, Adelaide, SA 5005, Australia
7.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
8.Univ Sci & Technol China, Sch Earth & Space Sci, Key Lab Crust Mantle Mat & Environm, Hefei 230026, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Duan, Xian-Zhe,Fan, Hong-Rui,Zhang, Hong-Fu,et al. Melt inclusions in phenocrysts track enriched upper mantle source for Cenozoic Tengchong volcanic field, Yunnan Province, SW China[J]. LITHOS,2019,324:180-201.
APA Duan, Xian-Zhe.,Fan, Hong-Rui.,Zhang, Hong-Fu.,Yaxley, Greg.,Santosh, M..,...&Guo, Heng-Fei.(2019).Melt inclusions in phenocrysts track enriched upper mantle source for Cenozoic Tengchong volcanic field, Yunnan Province, SW China.LITHOS,324,180-201.
MLA Duan, Xian-Zhe,et al."Melt inclusions in phenocrysts track enriched upper mantle source for Cenozoic Tengchong volcanic field, Yunnan Province, SW China".LITHOS 324(2019):180-201.

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来源：地质与地球物理研究所

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