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Preservation of Re-Os isotope signatures in pyrite throughout low-T, high-P eclogite facies metamorphism

文献类型：期刊论文

作者van Acken, David1; Su, Wen2; Gao, Jun2; Creaser, Robert A.1
刊名TERRA NOVA
出版日期2014-10-01
卷号26期号:5页码:402-407
ISSN号0954-4879
DOI10.1111/ter.12113
文献子类Article
英文摘要Pyrite in LT-HP eclogites from the western Tianshan orogenic belt yields a Re-Os age of 378.1 +/- 8.9 Ma, which is 30-70 Ma older than ages previously obtained for the same rocks using the Rb-Sr, Sm-Nd, Ar-Ar, U-Pb, and Lu-Hf isotope systems. The Tianshan LT-HP eclogite experienced temperatures of up to similar to 570 degrees C combined with pressures of up to 2.1 GPa during metamorphism. These conditions are below the transition of pyrite to pyrrhotite, which defines both pyrite stability and possibly its closure temperature for Re-Os. Pyrite can preserve Re-Os signatures through eclogite facies peak metamorphic conditions, and thus allow determination of the formation age of pyrite in the protolith.
WOS关键词WESTERN TIANSHAN MOUNTAINS ; FLUID-ROCK INTERACTION ; HP-LT ROCKS ; NW-CHINA ; AGE CONSTRAINTS ; GOLD DEPOSIT ; U-PB ; TECTONIC IMPLICATIONS ; SUBDUCTION CHANNEL ; HIGH-TEMPERATURE
WOS研究方向Geology
语种英语
WOS记录号WOS:000341254900009
出版者WILEY-BLACKWELL
资助机构National Basic Research Program of China(2009CB825001) ; National Basic Research Program of China(2009CB825001) ; NNSFC(41172066 ; NNSFC(41172066 ; NSERC ; NSERC ; 40872059) ; 40872059) ; National Basic Research Program of China(2009CB825001) ; National Basic Research Program of China(2009CB825001) ; NNSFC(41172066 ; NNSFC(41172066 ; NSERC ; NSERC ; 40872059) ; 40872059) ; National Basic Research Program of China(2009CB825001) ; National Basic Research Program of China(2009CB825001) ; NNSFC(41172066 ; NNSFC(41172066 ; NSERC ; NSERC ; 40872059) ; 40872059) ; National Basic Research Program of China(2009CB825001) ; National Basic Research Program of China(2009CB825001) ; NNSFC(41172066 ; NNSFC(41172066 ; NSERC ; NSERC ; 40872059) ; 40872059)
源URL[http://ir.iggcas.ac.cn/handle/132A11/86040]  
专题中国科学院地质与地球物理研究所
通讯作者van Acken, David
作者单位1.Univ Alberta, Dept Earth & Atmospher Sci, Edmonton, AB T6G 2E3, Canada
2.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		 van Acken, David,Su, Wen,Gao, Jun,et al. Preservation of Re-Os isotope signatures in pyrite throughout low-T, high-P eclogite facies metamorphism[J]. TERRA NOVA,2014,26(5):402-407.
APA van Acken, David,Su, Wen,Gao, Jun,&Creaser, Robert A..(2014).Preservation of Re-Os isotope signatures in pyrite throughout low-T, high-P eclogite facies metamorphism.TERRA NOVA,26(5),402-407.
MLA van Acken, David,et al."Preservation of Re-Os isotope signatures in pyrite throughout low-T, high-P eclogite facies metamorphism".TERRA NOVA 26.5(2014):402-407.

入库方式： OAI收割

来源：地质与地球物理研究所

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