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Late Mesoarchean crust growth event: evidence from the ca. 2.8 Ga granodioritic gneisses of the Xiaoqinling area, southern North China Craton

文献类型：期刊论文

作者Jia, Xiaoliang1; Zhu, Xiyan2; Zhai, Mingguo1,2; Zhao, Yan1; Zhang, Hong1; Wu, Jialin1; Liu, Tao1
刊名SCIENCE BULLETIN
出版日期2016-06-01
卷号61期号:12页码:974-990
关键词2.8 Ga Granodioritic gneisses Zircon U-Pb-Hf isotopic composition Archean crustal growth Taihua Complex North China Craton
DOI10.1007/s11434-016-1094-y
文献子类Article
英文摘要Recently, more attention has been paid to Pre-cambrian magma events and crustal growth of the North China Craton (NCC), accompanying with controversy in activity stages and dynamic mechanism. In this study, we report the Archean (2802 +/- 13 Ma) granodioritic gneisses in the Taihua Complex from the Xiaoqinling area, located in the southern margin of the NCC. The zircon Lu-Hf isotope analysis of the rocks showed Hf-176/Hf-177 ratios of 0.280977-0.281228, corresponding to epsilon(Hf)(t) values ranging from -3.5 to +6.6, and two-stage Hf model ages varying from 2836 to 3409 Ma. It was confirmed that late Mesoarchean (2.9-2.8 Ga) juvenile crust made contribution to the source material of these ca. 2.8 Ga granodioritic gneisses in the Xiaoqinling area. The whole rock geo-chemical data indicate that the granodioritic gneisses are high-K calc-alkaline series, probably generated at relatively high pressure and temperature, and formed under the continental arc setting. Statistically, we conclude that the magmatic activities during 2.9-2.7 Ga may represent the most intense crustal growth events in the NCC and these Archean rocks at different locations in southern NCC underwent a similar crustal evolution history.
WOS关键词ZIRCON U-PB ; WHOLE-ROCK GEOCHEMISTRY ; HF ISOTOPE ANALYSIS ; TAIHUA COMPLEX ; TTG GNEISSES ; CONTINENTAL-CRUST ; JIAOBEI TERRANE ; HENAN PROVINCE ; VOLCANIC-ROCKS ; FUPING COMPLEX
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:000378298000010
资助机构China Ministry of Science and Technology ("973'' Project)(2012CB4166006) ; China Ministry of Science and Technology ("973'' Project)(2012CB4166006) ; National Natural Science Foundation of China(41210003) ; National Natural Science Foundation of China(41210003) ; China Ministry of Science and Technology ("973'' Project)(2012CB4166006) ; China Ministry of Science and Technology ("973'' Project)(2012CB4166006) ; National Natural Science Foundation of China(41210003) ; National Natural Science Foundation of China(41210003)
源URL[http://ir.iggcas.ac.cn/handle/132A11/53416]  
专题地质与地球物理研究所_中国科学院矿产资源研究重点实验室
作者单位1.NW Univ Xian, Dept Geol, State Key Lab Continental Dynam, Xian 710069, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Jia, Xiaoliang,Zhu, Xiyan,Zhai, Mingguo,et al. Late Mesoarchean crust growth event: evidence from the ca. 2.8 Ga granodioritic gneisses of the Xiaoqinling area, southern North China Craton[J]. SCIENCE BULLETIN,2016,61(12):974-990.
APA Jia, Xiaoliang.,Zhu, Xiyan.,Zhai, Mingguo.,Zhao, Yan.,Zhang, Hong.,...&Liu, Tao.(2016).Late Mesoarchean crust growth event: evidence from the ca. 2.8 Ga granodioritic gneisses of the Xiaoqinling area, southern North China Craton.SCIENCE BULLETIN,61(12),974-990.
MLA Jia, Xiaoliang,et al."Late Mesoarchean crust growth event: evidence from the ca. 2.8 Ga granodioritic gneisses of the Xiaoqinling area, southern North China Craton".SCIENCE BULLETIN 61.12(2016):974-990.

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来源：地质与地球物理研究所

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