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Moho Depth Variations From Receiver Function Imaging in the Northeastern North China Craton and Its Tectonic Implications
Zhang, Ping1,2; Yao, Huajian1,3; Chen, Ling4,5,6; Fang, Lihua7; Wu, Yan7; Feng, Jikun1
2019-02-01
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
ISSN2169-9313
Volume124Issue:2Pages:1852-1870
AbstractA detailed knowledge of the crustal thickness in the northeastern North China Craton (NCC) is important for understanding the unusual Phanerozoic destruction of the craton. We achieve this goal by employing a 2-D wave equation-based migration method to P receiver functions from 198 broadband seismic stations, using Ps conversions and surface-reflected multiples. By combining receiver function images along 19 profiles, we constructed a high-resolution Moho depth model for the northeastern NCC. The results present dominant E-W Moho depth variations similar to previous observations and new regional N-S variations beneath both sides of the North-South Gravity Lineament. To the west, while a deeper Moho (approximate to 42km) appears in the interior of the Trans-North China Orogen, a relatively shallow Moho (approximate to 38km) exists in the northern margin of the Trans-North China Orogen to western NCC. To the east, the crust beneath the Yan Mountains in the marginal area is thicker (approximate to 32-40km) than that (approximate to 26-32km) beneath the Bohai Bay Basin in the craton interior, and the Moho further shallows from NE (approximate to 32km) to SW (approximate to 26km) within the basin. Along with other observations, we conclude that the dominant E-W difference may have been associated with the Paleo-Pacific plate subduction under eastern Asia since the Mesozoic. The newly observed complex N-S variations may have reflected the structural heterogeneity of the cratonic lithosphere inherited since the formation of the NCC in the Paleoproterozoic, or spatially uneven effects on the cratonic lithosphere of subsequent thermotectonic events during the long-term evolution of the craton, or both.
KeywordNorth China Craton Moho depth receiver function imaging lithospheric destruction
DOI10.1029/2018JB016122
Funding OrganizationNational Natural Science Foundation 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 ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS KeywordMANTLE DISCONTINUITY STRUCTURE ; POISSONS RATIO BENEATH ; SINO-KOREAN CRATON ; CRUSTAL STRUCTURE ; LITHOSPHERE BENEATH ; EASTERN CHINA ; SOUTH CHINA ; VELOCITY STRUCTURE ; UPPERMOST MANTLE ; SEISMIC EVIDENCE
Language英语
Funding ProjectNational Natural Science Foundation of China[41574034] ; National Natural Science Foundation of China[41688103] ; National Natural Science Foundation of China[91414301]
Funding OrganizationNational Natural Science Foundation 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 ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000462355800040
PublisherAMER GEOPHYSICAL UNION
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Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/91097
Collection岩石圈演化国家重点实验室
Corresponding AuthorYao, Huajian; Chen, Ling
Affiliation1.Univ Sci & Technol China, Sch Earth & Space Sci, Lab Seismol & Phys Earths Interior, Hefei, Anhui, Peoples R China
2.Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT, Australia
3.CAS Ctr Excellence Comparat Planetol, Hefei, Anhui, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
5.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China
6.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
7.China Earthquake Adm, Inst Geophys, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Ping,Yao, Huajian,Chen, Ling,et al. Moho Depth Variations From Receiver Function Imaging in the Northeastern North China Craton and Its Tectonic Implications[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,2019,124(2):1852-1870.
APA Zhang, Ping,Yao, Huajian,Chen, Ling,Fang, Lihua,Wu, Yan,&Feng, Jikun.(2019).Moho Depth Variations From Receiver Function Imaging in the Northeastern North China Craton and Its Tectonic Implications.JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,124(2),1852-1870.
MLA Zhang, Ping,et al."Moho Depth Variations From Receiver Function Imaging in the Northeastern North China Craton and Its Tectonic Implications".JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 124.2(2019):1852-1870.
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