The magmatism and tectonic significance of Jinningian monzogranite in Wajiao area, western margin of Yangtze Block
文献类型:期刊论文
作者 | Xie QiFeng1,2; Cai YuanFeng3; Dong YunPeng1; Wu GuanZhou4; Zhai MingGuo1,5 |
刊名 | ACTA PETROLOGICA SINICA |
出版日期 | 2018 |
卷号 | 34期号:11页码:3287-3301 |
ISSN号 | 1000-0569 |
关键词 | Monzogranite Zircon U-Pb chronology Lu-Hf isotope Jinningian Wajiao area Sichuan Province |
英文摘要 | The Wajiao monzogranite pluton is located in the junction part of the western margin of Yangtze Block and Songpan-Ganzi Block, in Shimian County, Sichuan Province, China. In the paper, based on the detailed field geological survey, combined with the petrology, petrography, LA-ICP-MS U-Pb chronology and MC-ICP-MS Lu-Hf isotopic analysis, the forming age and its magmatic source was discussed. LA-ICP-MS zircon U-Pb dating results show that Wajiao monzogranite pluton formed between 847 +/- 44Ma and 852 +/- 33 Ma, belongs to strong magmatic activity during period of the Late Qingbaikouan in Jinning Epoch, which closely related to the global Rodinia continent. In-situ zircon Lu-Hf isotopic analysis results show that the value of epsilon(Hf) (t) were +3. 9 similar to +9. 3 and -8. 0 similar to +6.5, respectively, the characteristic with crust-mantle mixed type typical; zircon Hf isotope two-stage model ages (t(DM2)) were 1. 14 similar to 1. 49Ga and 1. 33 similar to 2. 24Ga, respectively, the mean value of 1. 32Ga and 1. 52Ga, showed that magmatic source dominated by partial melting of ancient crust substrate mainly, may be associated with crust derived magma and ancient crustal rocks contribution in the period of Paleoproterozoic and Mesoproterozoic. The zircon U-Pb chronology and Lu-Hf isotopic characteristic of Jinning Epoch from Wajiao area, reflected magmatism temporal and magmatism source characteristics of the Qingbaikouan Period in the western margin of Yangtze Block, and its origin was closely correlated to the formation of global Rodinia continent and the evolution of magma activity. The results of the paper, which can provide new data evidence of granite source and regional tectonic evolution of the Yangtze Plate in Wajiao area, Sichuan Province. |
WOS关键词 | U-PB GEOCHRONOLOGY ; I-TYPE GRANITES ; HF ISOTOPE COMPOSITION ; CONTINENTAL-CRUST ; SICHUAN PROVINCE ; TRACE-ELEMENT ; LU-HF ; GEOCHEMICAL EVIDENCE ; INTRUSIVE COMPLEX ; KANGDING COMPLEX |
WOS研究方向 | Geology |
语种 | 英语 |
出版者 | SCIENCE PRESS |
WOS记录号 | WOS:000456929100013 |
源URL | [http://ir.iggcas.ac.cn/handle/132A11/90215] |
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 | Cai YuanFeng |
作者单位 | 1.Northwest Univ, State Key Lab Continental Dynam, Xian 710069, Shaanxi, Peoples R China 2.Fuzhou Univ, Coll Zijin Min, Fuzhou 350108, Fujian, Peoples R China 3.Nanjing Univ, State Key Lab Mineral Deposits Res, Nanjing 210046, Jiangsu, Peoples R China 4.Power China, Chendu Engn Corp Ltd, Chengdu 610072, Peoples R China 5.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China |
推荐引用方式 GB/T 7714 | Xie QiFeng,Cai YuanFeng,Dong YunPeng,et al. The magmatism and tectonic significance of Jinningian monzogranite in Wajiao area, western margin of Yangtze Block[J]. ACTA PETROLOGICA SINICA,2018,34(11):3287-3301. |
APA | Xie QiFeng,Cai YuanFeng,Dong YunPeng,Wu GuanZhou,&Zhai MingGuo.(2018).The magmatism and tectonic significance of Jinningian monzogranite in Wajiao area, western margin of Yangtze Block.ACTA PETROLOGICA SINICA,34(11),3287-3301. |
MLA | Xie QiFeng,et al."The magmatism and tectonic significance of Jinningian monzogranite in Wajiao area, western margin of Yangtze Block".ACTA PETROLOGICA SINICA 34.11(2018):3287-3301. |
入库方式: OAI收割
来源:地质与地球物理研究所
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