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  4. 岩石圈演化国家重点实验室
Rifting of the northern margin of the Indian craton in the Early Cretaceous: Insight from the Aulis Trachyte of the Lesser Himalaya (Nepal)

文献类型：期刊论文

作者Bhandari, Saunak4,5; Xiao, Wenjiao2,3,4,5; Ao, Songjian4,5; Windley, Brian F.1; Zhu, Rixiang5; Li, Rui4,5; Wang, Hao Y. C.4,5; Esmaeili, Rasoul4,5
刊名LITHOSPHERE
出版日期2019-10-01
卷号11期号:5页码:643-651
ISSN号1941-8264
DOI10.1130/L1058.1
英文摘要To reconstruct the early tectonic history of the Himalayan orogen before final India-Asia collision, we carried out geochemical and geochronological studies on the Early Cretaceous Aulis Trachyte of the Lesser Himalaya. The trace-element geochemistry of the trachytic lava flows suggests formation in a rift setting, and zircon U-Pb ages indicate that volcanism occurred in Early Cretaceous time. The felsic volcanics show enrichment of more incompatible elements and rare earth elements, a pattern that is identical to the trachyte from the East African Rift (Kenya rift), with conspicuous negative anomalies of Nb, P, and Ti. Although much of the zircon age data are discordant, they strongly suggest an Early Cretaceous eruption age, which is in agreement with the fossil age of intravolcanic siltstones. The Aulis Trachyte provides the first corroboration of Cretaceous rifting in the Lesser Himalaya as suggested by paleomagnetic data associated with the concept that the northern margin of India separated as a microcontinent and drifted north in the Neo-Tethys before terminal collision of India with Asia.
WOS关键词TETHYAN HIMALAYA ; VOLCANIC-ROCKS ; TECTONIC EVOLUTION ; COLLISION PROCESS ; SOUTHERN TIBET ; PASSIVE MARGIN ; CONSTRAINTS ; PALEOMAGNETISM ; GEOCHRONOLOGY ; MAGMATISM
资助项目National Natural Science Foundation of China[41888101] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS)[XDB18020203] ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program
WOS研究方向Geochemistry & Geophysics ; Geology
语种英语
出版者GEOLOGICAL SOC AMER, INC
WOS记录号WOS:000488229500004
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences (CAS) ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program ; CAS-The World Academy of Sciences (TWAS) President's Fellowship program
源URL[http://ir.iggcas.ac.cn/handle/132A11/93894]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Xiao, Wenjiao
作者单位1.Univ Leicester, Dept Geol, Leicester LE1 7RH, Leics, England
2.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Xinjiang Res Ctr Mineral Resources, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China
4.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Bhandari, Saunak,Xiao, Wenjiao,Ao, Songjian,et al. Rifting of the northern margin of the Indian craton in the Early Cretaceous: Insight from the Aulis Trachyte of the Lesser Himalaya (Nepal)[J]. LITHOSPHERE,2019,11(5):643-651.
APA Bhandari, Saunak.,Xiao, Wenjiao.,Ao, Songjian.,Windley, Brian F..,Zhu, Rixiang.,...&Esmaeili, Rasoul.(2019).Rifting of the northern margin of the Indian craton in the Early Cretaceous: Insight from the Aulis Trachyte of the Lesser Himalaya (Nepal).LITHOSPHERE,11(5),643-651.
MLA Bhandari, Saunak,et al."Rifting of the northern margin of the Indian craton in the Early Cretaceous: Insight from the Aulis Trachyte of the Lesser Himalaya (Nepal)".LITHOSPHERE 11.5(2019):643-651.

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来源：地质与地球物理研究所

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