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U-Pbage,Hf-Oisotopes, and geochemistry ofthe Sardasht ophiolite in the NWZagros orogen: Implications for the tectonic evolution ofNeo-Tethys

文献类型：期刊论文

作者Ao, Songjian1,2,3; Mao, Qigui4; Khalatbari-Jafari, Morteza5; Windley, Brian F.6; Song, Dongfang1,2,3; Zhang, Zhiyong1,2,3; Zhang, Ji'en1,2,3; Wan, Bo1,2,3; Han, Chunnming1,2,3; Xiao, Wenjiao1,2,3,7
刊名GEOLOGICAL JOURNAL
出版日期2020-09-24
页码15
关键词Iran Neo-Tethys ophiolite U-Pb age Zagros
ISSN号0072-1050
DOI10.1002/gj.4011
英文摘要Ophiolites in the Zagros orogen represent relics of the Neo-Tethyan Ocean that existed between the Laurasia and Gondwana continents. There is much debate about the formation and evolution of the Neo-Tethyan Ocean. Knowledge of its pre-collisional tectonic evolution is essential in constraining the timing and process of the collision between the Eurasian and Arabian continents. We present a combined analysis of zircon LA-ICP-MS U-Pb ages and Hf-O isotopes of the Sardasht ophiolite from the NW Zagros orogen. Our new data demonstrate that the Sardasht ophiolite formed at ca. 50.6 Ma. Geochemistry of plagiogranite and diabase indicates that the Sardasht ophiolite probably originated in the mantle wedge, influenced by subduction fluids. The mafic rocks of the Sardasht ophiolite include boninites, arc basaltic rocks, and OIBs, which accreted together when the Neo-Tethys finally closed. Finally, we argue that there was an intra-oceanic fore-arc extension and arc system during 50-24 Ma in the southern branch of the Neo-Tethys in NW Zagros.
WOS关键词SANANDAJ-SIRJAN ZONE ; OIB-TYPE COMPONENTS ; U-PB ; KURDISTAN REGION ; NEO-TETHYS ; SUBDUCTION INITIATION ; NW IRAN ; LU-HF ; ZIRCON ; ARC
资助项目National Natural Science Foundation of China[2017YFC0601206] ; National Natural Science Foundation of China[SYS012] ; National Natural Science Foundation of China[41472192] ; National Natural Science Foundation of China[91855207] ; National Natural Science Foundation of China[41888101] ; National Natural Science Foundation of China[41822204]
WOS研究方向Geology
语种英语
WOS记录号WOS:000572351900001
出版者WILEY
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 ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/98258]  
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Ao, Songjian
作者单位1.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
4.Beijing Inst Geol Mineral Resources, Beijing, Peoples R China
5.Geol Survey Iran, Res Inst Earth Sci, Tehran, Iran
6.Univ Leicester, Dept Geol, Leicester, Leics, England
7.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Xinjiang Res Ctr Mineral Resources, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Ao, Songjian,Mao, Qigui,Khalatbari-Jafari, Morteza,et al. U-Pbage,Hf-Oisotopes, and geochemistry ofthe Sardasht ophiolite in the NWZagros orogen: Implications for the tectonic evolution ofNeo-Tethys[J]. GEOLOGICAL JOURNAL,2020:15.
APA Ao, Songjian.,Mao, Qigui.,Khalatbari-Jafari, Morteza.,Windley, Brian F..,Song, Dongfang.,...&Xiao, Wenjiao.(2020).U-Pbage,Hf-Oisotopes, and geochemistry ofthe Sardasht ophiolite in the NWZagros orogen: Implications for the tectonic evolution ofNeo-Tethys.GEOLOGICAL JOURNAL,15.
MLA Ao, Songjian,et al."U-Pbage,Hf-Oisotopes, and geochemistry ofthe Sardasht ophiolite in the NWZagros orogen: Implications for the tectonic evolution ofNeo-Tethys".GEOLOGICAL JOURNAL (2020):15.

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来源：地质与地球物理研究所

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