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Exact timing of granulite metamorphism in the Namche-Barwa, eastern Himalayan syntaxis: new constrains from SIMS U-Pb zircon age

文献类型：期刊论文

作者Su, Wen1; Zhang, Ming3; Liu, Xiaohan; Lin, Jinfu4; Ye, Kai1; Liu, Xin
刊名INTERNATIONAL JOURNAL OF EARTH SCIENCES
出版日期2012
卷号101期号:1页码:239-252
关键词Granulite SIMS U-Pb zircon age High-pressure metamorphism Himalaya
ISSN号1437-3254
DOI10.1007/s00531-011-0656-0
文献子类Article
英文摘要Zircon grains separated from 2 granulites from the eastern Himalaya were investigated by Raman spectroscopy, cathodoluminescence imaging, and secondary ion mass spectrometry. These grains have a thin homogeneous rim and an oscillatory inner zone domain with or without a relict inherited core. Garnet, kyanite, and rutile inclusions were identified within only the rim domain of zircon grains, indicating that the rim had formed during peak granulite-facies metamorphism. U-Pb zircon data record three distinct age populations: 1,805 Ma (for the inherited core), ca. 500 Ma (oscillatory inner zone), as well as 24-25 Ma and ca. 18 Ma (for the metamorphic rim). These new precision ages suggest that the peak metamorphic age for the HP granulite is at ca. 24-25 Ma, and subsequent amphibolite-facies retrograde metamorphism occurred at ca. 18 Ma.
WOS关键词HIGH-PRESSURE GRANULITES ; SHAN-RED RIVER ; SOUTHEASTERN TIBET ; TECTONIC EVOLUTION ; WESTERN HIMALAYA ; SOUTHERN TIBET ; CENTRAL NEPAL ; CONTINENTAL COLLISION ; ISOTOPIC CONSTRAINTS ; GEOLOGIC EVOLUTION
WOS研究方向Geology
语种英语
WOS记录号WOS:000298652900015
出版者SPRINGER
资助机构State Key Project for Basic Research of China(2009CB825001) ; State Key Project for Basic Research of China(2009CB825001) ; National Natural Science Foundation of China(40872059 ; National Natural Science Foundation of China(40872059 ; 41021063 ; 41021063 ; 40721003 ; 40721003 ; 40721062) ; 40721062) ; State Key Project for Basic Research of China(2009CB825001) ; State Key Project for Basic Research of China(2009CB825001) ; National Natural Science Foundation of China(40872059 ; National Natural Science Foundation of China(40872059 ; 41021063 ; 41021063 ; 40721003 ; 40721003 ; 40721062) ; 40721062) ; State Key Project for Basic Research of China(2009CB825001) ; State Key Project for Basic Research of China(2009CB825001) ; National Natural Science Foundation of China(40872059 ; National Natural Science Foundation of China(40872059 ; 41021063 ; 41021063 ; 40721003 ; 40721003 ; 40721062) ; 40721062) ; State Key Project for Basic Research of China(2009CB825001) ; State Key Project for Basic Research of China(2009CB825001) ; National Natural Science Foundation of China(40872059 ; National Natural Science Foundation of China(40872059 ; 41021063 ; 41021063 ; 40721003 ; 40721003 ; 40721062) ; 40721062)
源URL[http://ir.iggcas.ac.cn/handle/132A11/84350]  
专题中国科学院地质与地球物理研究所
通讯作者Su, Wen
作者单位1.Chinese Acad Sci, State Key Lab Lithospher Evolut, Inst Geol & Geophys, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing, Peoples R China
3.Univ Cambridge, Dept Earth Sci, Cambridge CB2 3EQ, England
4.Guilin Univ Technol, Engn Res Ctr Explorat Hidden Nonferrous & Preciou, Minist Educ, Guilin 541004, Peoples R China
推荐引用方式
GB/T 7714		 Su, Wen,Zhang, Ming,Liu, Xiaohan,et al. Exact timing of granulite metamorphism in the Namche-Barwa, eastern Himalayan syntaxis: new constrains from SIMS U-Pb zircon age[J]. INTERNATIONAL JOURNAL OF EARTH SCIENCES,2012,101(1):239-252.
APA Su, Wen,Zhang, Ming,Liu, Xiaohan,Lin, Jinfu,Ye, Kai,&Liu, Xin.(2012).Exact timing of granulite metamorphism in the Namche-Barwa, eastern Himalayan syntaxis: new constrains from SIMS U-Pb zircon age.INTERNATIONAL JOURNAL OF EARTH SCIENCES,101(1),239-252.
MLA Su, Wen,et al."Exact timing of granulite metamorphism in the Namche-Barwa, eastern Himalayan syntaxis: new constrains from SIMS U-Pb zircon age".INTERNATIONAL JOURNAL OF EARTH SCIENCES 101.1(2012):239-252.

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来源：地质与地球物理研究所

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