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U-Pb zircon geochronology of Tianshan eclogites in NWChina: implication for the collision between the Yili and Tarim blocks of the southwestern Altaids

文献类型：期刊论文

作者Su, Wen1; Gao, Jun1; Klemd, Reiner2; Li, Ji-Lei1; Zhang, Xi1; Li, Xian-Hua1; Chen, Neng-Song3; Zhang, Lu3
刊名EUROPEAN JOURNAL OF MINERALOGY
出版日期2010-08-01
卷号22期号:4页码:473-478
关键词Eclogite U-pb Zircon Age Collision Time High-pressure Metamorphism Tianshan
ISSN号0935-1221
DOI10.1127/0935-1221/2010/0022-2040
文献子类Article
英文摘要Zircon grains separated from an eclogite boudin intercalated within blueschists in Tianshan (NW China) were investigated by Raman spectroscopy, cathodoluminescence imaging and secondary ion mass spectrometry (SIMS). These grains have a thin homogeneous rim and an oscillatory inner zone domain with or without a relict inherited core. Omphacite, phengite and rutile inclusions were identified within the rim domain of zircon grains only, indicating that the rim had formed during peak eclogite-facies metamorphism. U-Pb zircon data record three distinct age populations: 2450 +/- 31 to 1956 +/- 26 Ma (for the inherited core), 486 +/- 8 to 428 +/- 6 Ma (oscillatory inner zone) as well as 319.5 +/- 2.9 Ma and 318.7 +/- 3.3 Ma (for the metamorphic rim). These new ages suggest that the metamorphism associated with the collision of the Yili and the Tarim blocks along the southwestern margin of the Altaids must have occurred during the Late Carboniferous (ca., 320 Ma).
WOS关键词ULTRAHIGH-PRESSURE METAMORPHISM ; FLUID-ROCK INTERACTION ; SOUTH-TIEN-SHAN ; HP-LT ROCKS ; WESTERN TIANSHAN ; NW-CHINA ; NORTHWESTERN CHINA ; OROGENIC BELT ; TECTONIC IMPLICATIONS ; GEODYNAMIC EVOLUTION
WOS研究方向Mineralogy
语种英语
WOS记录号WOS:000282185100001
出版者E SCHWEIZERBARTSCHE VERLAGS
资助机构State Key Project for Basic Research of China(2007CB411302 ; State Key Project for Basic Research of China(2007CB411302 ; National Natural Science Foundation of China(40872059 ; National Natural Science Foundation of China(40872059 ; China Geological Survey(1212010911070) ; China Geological Survey(1212010911070) ; DFG(KL 692/17-2) ; DFG(KL 692/17-2) ; 2009CB825001) ; 2009CB825001) ; 40721003 ; 40721003 ; 40672153 ; 40672153 ; 40721062) ; 40721062) ; State Key Project for Basic Research of China(2007CB411302 ; State Key Project for Basic Research of China(2007CB411302 ; National Natural Science Foundation of China(40872059 ; National Natural Science Foundation of China(40872059 ; China Geological Survey(1212010911070) ; China Geological Survey(1212010911070) ; DFG(KL 692/17-2) ; DFG(KL 692/17-2) ; 2009CB825001) ; 2009CB825001) ; 40721003 ; 40721003 ; 40672153 ; 40672153 ; 40721062) ; 40721062) ; State Key Project for Basic Research of China(2007CB411302 ; State Key Project for Basic Research of China(2007CB411302 ; National Natural Science Foundation of China(40872059 ; National Natural Science Foundation of China(40872059 ; China Geological Survey(1212010911070) ; China Geological Survey(1212010911070) ; DFG(KL 692/17-2) ; DFG(KL 692/17-2) ; 2009CB825001) ; 2009CB825001) ; 40721003 ; 40721003 ; 40672153 ; 40672153 ; 40721062) ; 40721062) ; State Key Project for Basic Research of China(2007CB411302 ; State Key Project for Basic Research of China(2007CB411302 ; National Natural Science Foundation of China(40872059 ; National Natural Science Foundation of China(40872059 ; China Geological Survey(1212010911070) ; China Geological Survey(1212010911070) ; DFG(KL 692/17-2) ; DFG(KL 692/17-2) ; 2009CB825001) ; 2009CB825001) ; 40721003 ; 40721003 ; 40672153 ; 40672153 ; 40721062) ; 40721062)
源URL[http://ir.iggcas.ac.cn/handle/132A11/72713]  
专题中国科学院地质与地球物理研究所
通讯作者Gao, Jun
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
2.Univ Erlangen Nurnberg, GeoZentrum Nordbayern, D-91054 Erlangen, Germany
3.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
推荐引用方式
GB/T 7714		 Su, Wen,Gao, Jun,Klemd, Reiner,et al. U-Pb zircon geochronology of Tianshan eclogites in NWChina: implication for the collision between the Yili and Tarim blocks of the southwestern Altaids[J]. EUROPEAN JOURNAL OF MINERALOGY,2010,22(4):473-478.
APA Su, Wen.,Gao, Jun.,Klemd, Reiner.,Li, Ji-Lei.,Zhang, Xi.,...&Zhang, Lu.(2010).U-Pb zircon geochronology of Tianshan eclogites in NWChina: implication for the collision between the Yili and Tarim blocks of the southwestern Altaids.EUROPEAN JOURNAL OF MINERALOGY,22(4),473-478.
MLA Su, Wen,et al."U-Pb zircon geochronology of Tianshan eclogites in NWChina: implication for the collision between the Yili and Tarim blocks of the southwestern Altaids".EUROPEAN JOURNAL OF MINERALOGY 22.4(2010):473-478.

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来源：地质与地球物理研究所

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