中文版 | English
Title

Continental Reworking in the Eastern South China Block and Its Adjacent Areas Revealed by F-J Multimodal Ambient Noise Tomography

Author
Corresponding AuthorChen,Xiaofei
Publication Years
2022-11-01
DOI
Source Title
ISSN
2169-9313
EISSN
2169-9356
Volume127Issue:11
Abstract
The eastern South China Block (SCB) has experienced complex and drastic reworking processes since the early Neoproterozoic, the mechanisms of which remain unclear. To better understand the continental reworking mechanisms in the eastern SCB, we imaged the shear-wave velocity structure of the crust and upper mantle in the eastern SCB and its adjacent areas with the F-J multimodal ambient noise tomography method. The seismic ambient noise data were acquired by 652 seismic stations in this area. The shear-wave velocity model presents widespread mid-crustal low-velocity zones (MCLVZs) and upper mantle low-velocity zones (UMLVZs), the distribution of which shows a good correlation with regional tectonics. The MCLVZs formed due to compositional and structural layering during the late Neoproterozoic to the early Phanerozoic. The disrupted MCLVZs near the Qinling-Dabie orogen can be linked to metamorphism caused by a continental collision between the SCB and the North China Craton during the Triassic Indosinian event. The thin crustal and lithospheric thicknesses east of the North-South Gravity Lineament may be the result of asthenospheric upwelling due to the subduction of the Pacific plate since the late Mesozoic. In the areas near the Shaoxing-Jiangshan-Pingxiang fault zone and the Tanlu fault zone, upheaval UMLVZs indicate that these ancient fault zones were reactivated by the subduction of the Pacific plate, providing channels for asthenospheric upwelling. Well-preserved MCLVZs north of the Qinling-Dabie orogen can be used to assess compressions and extensions induced by the subduction of the Pacific plate.
URL[Source Record]
Indexed By
Language
English
Important Publications
NI Journal Papers
SUSTech Authorship
Corresponding
Funding Project
Leading Talents Program of Guangdong Province[2016LJ06N652];National Natural Science Foundation of China[41790465];National Natural Science Foundation of China[92155307];National Natural Science Foundation of China[U1901602];
WOS Research Area
Geochemistry & Geophysics
WOS Subject
Geochemistry & Geophysics
WOS Accession No
WOS:000885806700001
Publisher
ESI Research Field
GEOSCIENCES
Scopus EID
2-s2.0-85142911960
Data Source
Scopus
Citation statistics
Cited Times [WOS]:3
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/416514
DepartmentDepartment of Earth and Space Sciences
Affiliation
1.School of Earth and Space Sciences,University of Science and Technology of China,Hefei,China
2.Shenzhen Key Laboratory of Deep Offshore Oil and Gas Exploration Technology,Southern University of Science and Technology,Shenzhen,China
3.Guangdong Provincial Key Laboratory of Geophysical High-resolution Imaging Technology,Southern University of Science and Technology,Shenzhen,China
4.Department of Earth and Space Sciences,Southern University of Science and Technology,Shenzhen,China
Corresponding Author AffilicationSouthern University of Science and Technology;  Department of Earth and Space Sciences
Recommended Citation
GB/T 7714
Chen,Juqing,Pan,Lei,Li,Zhengbo,et al. Continental Reworking in the Eastern South China Block and Its Adjacent Areas Revealed by F-J Multimodal Ambient Noise Tomography[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,2022,127(11).
APA
Chen,Juqing,Pan,Lei,Li,Zhengbo,&Chen,Xiaofei.(2022).Continental Reworking in the Eastern South China Block and Its Adjacent Areas Revealed by F-J Multimodal Ambient Noise Tomography.JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,127(11).
MLA
Chen,Juqing,et al."Continental Reworking in the Eastern South China Block and Its Adjacent Areas Revealed by F-J Multimodal Ambient Noise Tomography".JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 127.11(2022).
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