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Imaging the Topography of Crust-Mantle Boundary from a High-Density Seismic Array beneath the Middle-Lower Yangtze River, Eastern China

文献类型：期刊论文

作者Wei, Yunhao1,2,3; Tian, Xiaobo1; Duan, Yonghong2; Tian, Xiaofeng2
刊名SEISMOLOGICAL RESEARCH LETTERS
出版日期2018-09-01
卷号89期号:5页码:1690-1697
ISSN号0895-0695
DOI10.1785/0220180045
英文摘要The low cost and ease of deployment allows for integrated geophones to be deployed in very large numbers, often known as large N arrays. This ability has facilitated many new directions in seismological research. Here, we offer a new application example, in which a dense array was used in imaging the details of the topography of the crustal-mantle seismic boundary. In 2015, an experiment with a large-number and high-density geophone array was conducted in the middle-lower Yangtze River metallogenic belt (MLYRMB). During 10 days of continuous observation, there were five teleseismic events with high signal-to-noise ratio three-component waveforms recorded by the array. Then, P-wave receiver functions were calculated and adopted to image the Moho topography. The result shows that the Moho depth beneath the array varies significantly. The Moho topography beneath the MLYRMB region is deflected and characterized by mantle uplift that could be taken as a feature of intense crust-mantle interaction, such as mantle-derived magma emplacement. The result indicates that receiver function research using dense geophone arrays can provide more detailed information about Moho topography as well as about multiscale crustal structures.
WOS关键词METALLOGENIC BELT ; RECEIVER-FUNCTIONS ; SOUTHERN CALIFORNIA ; MOHO DEPTH ; REGION ; GEODYNAMICS ; CONSTRAINTS ; DEPOSITS ; MODEL ; FAULT
资助项目National Natural Science Foundation of China (NSFC)[41604048]
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000442374400011
出版者SEISMOLOGICAL SOC AMER
资助机构National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC)
源URL[http://ir.iggcas.ac.cn/handle/132A11/88463]  
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Duan, Yonghong
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, 19 Beitucheng West Rd, Beijing 100029, Peoples R China
2.China Earthquake Adm, Geophys Explorat Ctr, 75 Wenhua Rd, Zhengzhou 450002, Henan, Peoples R China
3.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Wei, Yunhao,Tian, Xiaobo,Duan, Yonghong,et al. Imaging the Topography of Crust-Mantle Boundary from a High-Density Seismic Array beneath the Middle-Lower Yangtze River, Eastern China[J]. SEISMOLOGICAL RESEARCH LETTERS,2018,89(5):1690-1697.
APA Wei, Yunhao,Tian, Xiaobo,Duan, Yonghong,&Tian, Xiaofeng.(2018).Imaging the Topography of Crust-Mantle Boundary from a High-Density Seismic Array beneath the Middle-Lower Yangtze River, Eastern China.SEISMOLOGICAL RESEARCH LETTERS,89(5),1690-1697.
MLA Wei, Yunhao,et al."Imaging the Topography of Crust-Mantle Boundary from a High-Density Seismic Array beneath the Middle-Lower Yangtze River, Eastern China".SEISMOLOGICAL RESEARCH LETTERS 89.5(2018):1690-1697.

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来源：地质与地球物理研究所

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