中文版 | English
Title

深圳市中生代巨型花岗岩体浅部速度结构

Alternative Title
Shallow shear wave velocity structure of huge mesozoic granitic pluton in Shenzhen from ambient noise tomography
Author
Corresponding Author陈永顺
Publication Years
2022
DOI
Source Title
ISSN
0001-5733
Volume65Issue:11Pages:4341-4353
Abstract

利用南方科技大学2017年12月至2018年2月在深圳市布设的41个流动地震台站数据,通过背景噪声层析成像方法得到研究区域内0.5~5 s周期范围的瑞利波相速度,并对研究区地下0~8 km深度范围内的S波速度结构进行了反演.结果表明,浅部速度结构与地表地质构造有很好对应关系.这些在浅部呈水平展布的高速异常体与地表出露的巨型中生代花岗岩体很好对应.研究区在4 km深度以下主要存在两块高速异常体:西南部南山区和福田区沿海平原区域下方的大范围高速体和东北部神仙岭区域的高速体.地表这两块巨型中生代花岗岩体的下方,在浅部呈水平展布的高速异常体,和深部4 km以下的两块高速异常体形成了侧向连接关系.该结果刻画了深圳地区地表大面积出露的花岗岩体在地下的展布形态,显示了中生代岩浆通过主控断层上涌侵入,对地壳浅部形成改造的图像.本研究也展示了短周期密集台阵在城市地下波速结构研究中的应用潜力.

Keywords
URL[Source Record]
Indexed By
Language
Chinese
SUSTech Authorship
First ; Corresponding
Funding Project
大洋十三五项目 ; 国家自然科学基金 ; 深圳市海外高层次人才创新创业专项资金团队资助项目
WOS Research Area
Geochemistry & Geophysics
WOS Subject
Geochemistry & Geophysics
WOS Accession No
WOS:000893200500016
Publisher
ESI Research Field
GEOSCIENCES
Data Source
WanFang
WanFangID
dqwlxb202211016
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/415430
DepartmentDepartment of Ocean Science and Engineering
Affiliation
1.北京大学地球与空间科学学院,北京 100871;南方科技大学海洋科学与工程系,广东深圳 518055
2.南方科技大学海洋科学与工程系,广东深圳 518055
First Author AffilicationDepartment of Ocean Science and Engineering
Corresponding Author AffilicationDepartment of Ocean Science and Engineering
First Author's First AffilicationDepartment of Ocean Science and Engineering
Recommended Citation
GB/T 7714
宁铄现,李世林,郭震,等. 深圳市中生代巨型花岗岩体浅部速度结构[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2022,65(11):4341-4353.
APA
宁铄现,李世林,郭震,&陈永顺.(2022).深圳市中生代巨型花岗岩体浅部速度结构.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,65(11),4341-4353.
MLA
宁铄现,et al."深圳市中生代巨型花岗岩体浅部速度结构".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 65.11(2022):4341-4353.
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