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Late Pliocene onset of the Cona rift, eastern Himalaya, confirms eastward propagation of extension in Himalayan-Tibetan orogen
Bian, Shuang1,2; Gong, Junfeng1,2; Zuza, Andrew, V3; Yang, Rong1,2; Tian, Yuntao4; Ji, Jianqing5; Chen, Hanlin1,2; Xu, Qinqin6; Chen, Lin7; Lin, Xiubin1,2; Cheng, Xiaogan1,2; Tu, Jiyao5; Yu, Xiangjiang8
2020-08-15
Source PublicationEARTH AND PLANETARY SCIENCE LETTERS
ISSN0012-821X
Volume544Pages:9
AbstractSeveral competing hypotheses have been proposed to explain east-west extension observed across the Himalayan orogen, based primarily on observations from the western and central Himalaya. They make predictions for the temporal and spatial patterns of deformation in the eastern Himalaya. These tectonic models include radial spreading or oroclinal bending of the Himalayan arc, oblique convergence of the Indian continent, tearing or lateral detachment of the Indian slab and eastward flow of lithosphere. Here, for the first time we constrain the activity history of the Cona rift, the only north-trending rift currently recognized in the eastern Himalaya, based on biotite and K-feldspar Ar-40/Ar-39 and zircon and apatite (U-Th)/He thermochronology, to evaluate these proposed rifting mechanisms. Low-temperature thermochronological results suggest that the Cona rift is the youngest rift system in the Himalayas: after a slow phase of exhumation since similar to 14 Ma (similar to 0.2-0.13 mm/yr), normal faulting initiated here at similar to 3.0-2.3 Ma with a fault slip rate of similar to 3.8-1.6 mm/yr and a horizontal extension magnitude of similar to 2-5 km. Analysis of rifting across the Himalayas shows that rift initiation ages young eastward, which is matched by eastward decreasing rift-extension magnitudes. Monotonically eastward younging rift development is consistent with the tectonic model involving eastward lithospheric flow driven by Indian slab dynamics and coupled asynchronous gravitational potential energy gradients. (C) 2020 Elsevier B.V. All rights reserved.
KeywordHimalaya Cona rift east-west extension low-temperature thermochronology eastward younging rifting
DOI10.1016/j.epsl.2020.116383
Funding OrganizationNational Science Foundation of China ; National Science Foundation of China ; National ST Major Project ; National ST Major Project ; China Geological Survey ; China Geological Survey ; NSF Tectonics Program ; NSF Tectonics Program ; National Science Foundation of China ; National Science Foundation of China ; National ST Major Project ; National ST Major Project ; China Geological Survey ; China Geological Survey ; NSF Tectonics Program ; NSF Tectonics Program ; National Science Foundation of China ; National Science Foundation of China ; National ST Major Project ; National ST Major Project ; China Geological Survey ; China Geological Survey ; NSF Tectonics Program ; NSF Tectonics Program ; National Science Foundation of China ; National Science Foundation of China ; National ST Major Project ; National ST Major Project ; China Geological Survey ; China Geological Survey ; NSF Tectonics Program ; NSF Tectonics Program
WOS KeywordSOUTHERN TIBET ; CONTINENTAL SUBDUCTION ; LATE OLIGOCENE ; SLAB ; DEFORMATION ; FLOW ; CONVERGENCE ; LITHOSPHERE ; EVOLUTION ; COLLISION
Language英语
Funding ProjectNational Science Foundation of China[41472182] ; National Science Foundation of China[41472181] ; National Science Foundation of China[41602210] ; National Science Foundation of China[41330207] ; National Science Foundation of China[41720104003] ; National ST Major Project[2017ZX05008-001] ; National ST Major Project[2017ZX05003-001] ; China Geological Survey[121201102000150009] ; NSF Tectonics Program[EAR 1914501]
Funding OrganizationNational Science Foundation of China ; National Science Foundation of China ; National ST Major Project ; National ST Major Project ; China Geological Survey ; China Geological Survey ; NSF Tectonics Program ; NSF Tectonics Program ; National Science Foundation of China ; National Science Foundation of China ; National ST Major Project ; National ST Major Project ; China Geological Survey ; China Geological Survey ; NSF Tectonics Program ; NSF Tectonics Program ; National Science Foundation of China ; National Science Foundation of China ; National ST Major Project ; National ST Major Project ; China Geological Survey ; China Geological Survey ; NSF Tectonics Program ; NSF Tectonics Program ; National Science Foundation of China ; National Science Foundation of China ; National ST Major Project ; National ST Major Project ; China Geological Survey ; China Geological Survey ; NSF Tectonics Program ; NSF Tectonics Program
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000543825300022
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/97124
Collection岩石圈演化国家重点实验室
Corresponding AuthorGong, Junfeng
Affiliation1.Zhejiang Univ, Sch Earth Sci, Key Lab Geosci Big Data & Deep Resource Zhejiang, Hangzhou 310027, Peoples R China
2.Minist Educ, Res Ctr Struct Oil & Gas Bearing Basins, Hangzhou 310027, Peoples R China
3.Univ Nevada, Nevada Bur Mines & Geol, Reno, NV 89557 USA
4.Sun Yat Sen Univ, Sch Earth Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China
5.Peking Univ, Sch Earth & Space Sci, Beijing 100871, Peoples R China
6.Chinese Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R China
7.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
8.Jilin Univ, Coll Earth Sci, Changchun 130061, Peoples R China
Recommended Citation
GB/T 7714
Bian, Shuang,Gong, Junfeng,Zuza, Andrew, V,et al. Late Pliocene onset of the Cona rift, eastern Himalaya, confirms eastward propagation of extension in Himalayan-Tibetan orogen[J]. EARTH AND PLANETARY SCIENCE LETTERS,2020,544:9.
APA Bian, Shuang.,Gong, Junfeng.,Zuza, Andrew, V.,Yang, Rong.,Tian, Yuntao.,...&Yu, Xiangjiang.(2020).Late Pliocene onset of the Cona rift, eastern Himalaya, confirms eastward propagation of extension in Himalayan-Tibetan orogen.EARTH AND PLANETARY SCIENCE LETTERS,544,9.
MLA Bian, Shuang,et al."Late Pliocene onset of the Cona rift, eastern Himalaya, confirms eastward propagation of extension in Himalayan-Tibetan orogen".EARTH AND PLANETARY SCIENCE LETTERS 544(2020):9.
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