IGGCAS OpenIR  > 岩石圈演化国家重点实验室
Intracontinental deformation within the India-Eurasia oblique convergence zone: Case studies on the Nantinghe and Dayingjiang faults
Wang, Yang1,2; Wang, Yuejun1; Zhang, Peizhen1,2; Schoenbohm, Lindsay M.3; Zhang, Bo4; Zhang, Jinjiang4; Zhou, Renjie5; Stockli, Daniel F.6; Seagren, Erin G.3; Wang, Fei7; Lin, Wu7
2020-03-01
Source PublicationGEOLOGICAL SOCIETY OF AMERICA BULLETIN
ISSN0016-7606
Volume132Issue:3-4Pages:850-862
AbstractThe most striking structural features in the interior of the Shan Plateau, southeast of the eastern Himalayan syntaxis, are a series of NE-trending faults that exhibit sinistral movement and an arcuate geometry. Their origin and tectonic evolution remain poorly understood. Furthermore, a switch in slip sense is recorded along many of these faults, but the timing of kinematic reversal is still unclear, hindering an understanding of the causal geodynamic mechanisms. We conducted an integrative study of apatite and zircon (U-Th)/He thermochronology, Ar-40/Ar-39 geochronology, and structural and geomorphic analysis to decipher the evolution of two major NE-trending faults: the Nantinghe and Dayingjiang faults. At least three deformation stages are identified within the Nantinghe fault zone, including top-to-the-SE/ESE thrusting, dextral ductile strike-slip shearing, and sinistral movement. Zircon and apatite (U-Th)/He data, collected from the northeastern terminus of the Nantinghe fault, reveal rapid cooling in the early Miocene. Combined with the Ar-40/Ar-39 data from sinistrally sheared mylonite, left-lateral movement on the Nantinghe fault is inferred to have initiated as early as ca. 20 Ma. The Dayingjiang fault reactivated as a sinistral brittle fault along the dextral Yingjiang shear zone. A two-stage thermal history is identified along the shear zone, with prominent cooling during dextral ductile shearing in the early- to mid-Miocene followed by a lower-magnitude cooling episode at ca. 11 Ma caused by sinistral transtension along the Dayingjiang fault. The evolution of the Nantinghe and Dayingjiang faults suggests that the NE-trending fault system in the Shan Plateau may have developed along preexisting structures and underwent diachronous slip-sense inversion in the late Cenozoic. The northward advance of the eastern Himalayan syntaxis caused a major change in both the regional stress field and fault geometries in the eastern India-Eurasia oblique convergence zone, contributing to the inversion of fault kinematics.
DOI10.1130/B35338.1
Funding OrganizationKey Research and Development Program of China ; Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Guangdong Introduced Innovative RD Team ; Guangdong Introduced Innovative RD Team ; Postdoctoral Innovation Support Plan ; Postdoctoral Innovation Support Plan ; Key Research and Development Program of China ; Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Guangdong Introduced Innovative RD Team ; Guangdong Introduced Innovative RD Team ; Postdoctoral Innovation Support Plan ; Postdoctoral Innovation Support Plan ; Key Research and Development Program of China ; Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Guangdong Introduced Innovative RD Team ; Guangdong Introduced Innovative RD Team ; Postdoctoral Innovation Support Plan ; Postdoctoral Innovation Support Plan ; Key Research and Development Program of China ; Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Guangdong Introduced Innovative RD Team ; Guangdong Introduced Innovative RD Team ; Postdoctoral Innovation Support Plan ; Postdoctoral Innovation Support Plan
WOS KeywordMOGOK METAMORPHIC BELT ; LOWER CRUSTAL FLOW ; RIVER SHEAR ZONE ; RED-RIVER ; AILAO SHAN ; WESTERN YUNNAN ; CHINA EVIDENCE ; DIANCANG SHAN ; STRIKE-SLIP ; SE TIBET
Language英语
Funding ProjectKey Research and Development Program of China[2016YFC0600303] ; Natural Science Foundation of China[U1701641] ; Natural Science Foundation of China[41830211] ; Natural Science Foundation of China[41802213] ; Guangdong Introduced Innovative RD Team[2016ZT06N331] ; Postdoctoral Innovation Support Plan[BX201700294]
Funding OrganizationKey Research and Development Program of China ; Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Guangdong Introduced Innovative RD Team ; Guangdong Introduced Innovative RD Team ; Postdoctoral Innovation Support Plan ; Postdoctoral Innovation Support Plan ; Key Research and Development Program of China ; Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Guangdong Introduced Innovative RD Team ; Guangdong Introduced Innovative RD Team ; Postdoctoral Innovation Support Plan ; Postdoctoral Innovation Support Plan ; Key Research and Development Program of China ; Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Guangdong Introduced Innovative RD Team ; Guangdong Introduced Innovative RD Team ; Postdoctoral Innovation Support Plan ; Postdoctoral Innovation Support Plan ; Key Research and Development Program of China ; Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Guangdong Introduced Innovative RD Team ; Guangdong Introduced Innovative RD Team ; Postdoctoral Innovation Support Plan ; Postdoctoral Innovation Support Plan
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000518916800022
PublisherGEOLOGICAL SOC AMER, INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95528
Collection岩石圈演化国家重点实验室
Corresponding AuthorWang, Yuejun
Affiliation1.Sun Yat SenUniv, Sch Earth Sci & Engn, Guangdong Prov Key Lab Geodynam & Geohazards, Guangzhou 510275, Guangdong, Peoples R China
2.Southern Marine Sci & Engn Guangdong Lab, Zhuhai 519082, Peoples R China
3.Univ Toronto, Dept Earth Sci, Toronto, ON M5S 3B1, Canada
4.Peking Univ, Sch Earth & Space Sci, Key Lab Orogen Belts & Crustal Evolut, Beijing 100871, Peoples R China
5.Univ Queensland, Sch Earth & Environm Sci, St Lucia, Qld 4072, Australia
6.Univ Texas Austin, Jackson Sch Geosci, Dept Geol Sci, Austin, TX 78712 USA
7.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yang,Wang, Yuejun,Zhang, Peizhen,et al. Intracontinental deformation within the India-Eurasia oblique convergence zone: Case studies on the Nantinghe and Dayingjiang faults[J]. GEOLOGICAL SOCIETY OF AMERICA BULLETIN,2020,132(3-4):850-862.
APA Wang, Yang.,Wang, Yuejun.,Zhang, Peizhen.,Schoenbohm, Lindsay M..,Zhang, Bo.,...&Lin, Wu.(2020).Intracontinental deformation within the India-Eurasia oblique convergence zone: Case studies on the Nantinghe and Dayingjiang faults.GEOLOGICAL SOCIETY OF AMERICA BULLETIN,132(3-4),850-862.
MLA Wang, Yang,et al."Intracontinental deformation within the India-Eurasia oblique convergence zone: Case studies on the Nantinghe and Dayingjiang faults".GEOLOGICAL SOCIETY OF AMERICA BULLETIN 132.3-4(2020):850-862.
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