Material records for Mesozoic destruction of the North China Craton by subduction of the Paleo-Pacific slab
文献类型：期刊论文
| 作者 | Feng, Yazhou1,2; Yang, Jinhui1,2,3; Sun, Jinfeng2; Zhang, Jiheng2 |
| 刊名 | SCIENCE CHINA-EARTH SCIENCES
 |
| 出版日期 | 2020-02-25 |
| 页码 | 11 |
| 关键词 | North China Craton Early Cretaceous volcanic rocks Zircon Hf-O isotopes Subduction of the Paleo-Pacific slab |
| ISSN号 | 1674-7313 |
| DOI | 10.1007/s11430-019-9564-4 |
| 英文摘要 | It is well known that the destruction of the North China Carton (NCC) is closely related to subduction of the Paleo-Pacific slab, but materials recording such subduction has not been identified at the peak time of decratonization. This paper presents data of whole-rock major and trace elements and Sr-Nd-Hf isotopes and zircon U-Pb ages and Hf-O isotopes for Mesozoic volcanic rocks from the Liaodong-Jinan region in the northeastern NCC, in order to trace the subduction-related materials in their source and origin. The Mesozoic volcanic rocks in the Liaodong-Jinan region are mainly composed of two series of rocks, including alkaline basaltic trachyandesite, trachyandesite and trachyte, and subalkaline trachyandesite and andesite. Zircon U-Pb dating yields eruption ages of 129-124 Ma for these rocks. The Early Cretaceous volcanic rocks are all enriched in LILEs (such as Rb, Sr, Ba and Th) and LREEs, depleted in HFSEs (such as Nb, Ta and Ti), indicating that they were originated from mantle sources that had been modified by subducted crustal materials. However, they have relatively heterogeneous and variable isotopic compositions. The alkaline basaltic trachyandesite, trachyandesite and trachyte have enriched whole-rock Sr-Nd-Hf and zircon Hf isotopic compositions and mantle-like delta O-18 values, suggesting that they were derived from low-degree partial melting of an isotopically enriched lithospheric mantle source. In contrast, the subalkaline trachyandesite and andesite have relatively depleted isotopic compositions with zircon epsilon(Hf)(t) values up to +5.2 and heavy zircon O isotopic compositions with delta O-18 values of +8.1 parts per thousand to +9.09 parts per thousand, indicating that they were originated from a lithospheric mantle source that had been metasomatized by melts/fluids derived from the recycled low-T altered oceanic basalt. All of these geochemical features suggest that the Early Cretaceous volcanic rocks in the Liaodong-Jinan region would result from mixing of mafic magmas with different compositions. Such magmas were originated from the enriched lithospheric mantle and the young metasomatized mantle, respectively, with variable extents of enrichment and depletion in trace elements, radiogenic isotopes and O isotopes. Importantly, the identification of the low-T altered oceanic crust component in the origin of Early Cretaceous volcanic rocks by the zircon Hf-O isotopes provides affirmative isotopic evidence and direct material records for Mesozoic subduction of the Paleo-Pacific slab that induced decratonization of the North China Craton. |
| WOS关键词 | LITHOSPHERIC MANTLE BENEATH ; SINO-KOREAN CRATON ; ZIRCON U-PB ; LIAODONG PENINSULA ; LU-HF ; GEOCHEMICAL EVIDENCE ; CRUSTAL EVOLUTION ; CONTINENTAL-CRUST ; INTRAPLATE MAGMATISM ; ISOTOPIC CONSTRAINTS |
| 资助项目 | Ministry of Science and Technology of People's Republic of China[2016YFC0600109] ; National Natural Science Foundation of China[41688103] |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000516950100001 |
| 出版者 | SCIENCE PRESS |
| 资助机构 | Ministry of Science and Technology of People's Republic of China ; Ministry of Science and Technology of People's Republic of China ; Ministry of Science and Technology of People's Republic of China ; Ministry of Science and Technology of People's Republic 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 ; Ministry of Science and Technology of People's Republic of China ; Ministry of Science and Technology of People's Republic of China ; Ministry of Science and Technology of People's Republic of China ; Ministry of Science and Technology of People's Republic 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 ; Ministry of Science and Technology of People's Republic of China ; Ministry of Science and Technology of People's Republic of China ; Ministry of Science and Technology of People's Republic of China ; Ministry of Science and Technology of People's Republic 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 ; Ministry of Science and Technology of People's Republic of China ; Ministry of Science and Technology of People's Republic of China ; Ministry of Science and Technology of People's Republic of China ; Ministry of Science and Technology of People's Republic 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/132A11/95611]  |
| 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 | Yang, Jinhui |
| 作者单位 | 1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Feng, Yazhou,Yang, Jinhui,Sun, Jinfeng,et al. Material records for Mesozoic destruction of the North China Craton by subduction of the Paleo-Pacific slab[J]. SCIENCE CHINA-EARTH SCIENCES,2020:11. |
| APA | Feng, Yazhou,Yang, Jinhui,Sun, Jinfeng,&Zhang, Jiheng.(2020).Material records for Mesozoic destruction of the North China Craton by subduction of the Paleo-Pacific slab.SCIENCE CHINA-EARTH SCIENCES,11. |
| MLA | Feng, Yazhou,et al."Material records for Mesozoic destruction of the North China Craton by subduction of the Paleo-Pacific slab".SCIENCE CHINA-EARTH SCIENCES (2020):11. |
入库方式： OAI收割
来源：地质与地球物理研究所
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