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Does pulsed Tibetan deformation correlate with Indian plate motion changes?

文献类型：期刊论文

作者Li, Shihu5,6; van Hinsbergen, Douwe J. J.1; Najman, Yani5; Jing Liu-Zeng4; Deng, Chenglong2,3,6; Zhu, Rixiang2,3,6
刊名EARTH AND PLANETARY SCIENCE LETTERS
出版日期2020-04-15
卷号536页码:14
关键词magnetostratigraphy convergence rate India-Asia collision Tibetan Plateau paleomagnetism
ISSN号0012-821X
DOI10.1016/j.epsl.2020.116144
英文摘要Models that aim to explain the causes of the significant Indian plate motion acceleration around 70 Ma, and the subsequent deceleration around 52 Ma predict different scenarios regarding crustal shortening of the Tibetan Plateau, which can be tested by precisely determining the timing of regional shortening events in Tibet. Here we attempt to determine this timing by presenting a high-resolution magnetostratigraphy of a similar to 3.5 km thick sedimentary sequence in the syn-contractional Gonjo Basin, east-central Tibet. We successfully isolated the primary remanence as confirmed by positive fold and reversal tests. Correlation to the geomagnetic polarity time scale reveals a 69-41.5 Ma age for the Gonjo Basin sedimentary succession. Average sedimentation rates indicate two episodes of enhanced sediment accumulation rate at 69-64 Ma and 52-48 Ma, which coincide with periods of vertical axis rotation recorded in the basin fill. This coincidence suggests a tectonic cause, which given regional structures we interpret as shortening pulses. Our results are similar to those from basins elsewhere in southern, central and northern Tibet, suggesting plateau-wide, synchronous shortening pulses at similar to 69-64 Ma and similar to 52-48 Ma. These pulses are synchronous with major acceleration and deceleration of India-Asia convergence rate, suggesting that both the acceleration and deceleration of India-Asia convergence may be associated with enhanced crustal deformation in Tibet, which we use to evaluate previous dynamic models explaining the Indian plate motion changes and India-Asia collision processes. (C) 2020 Elsevier B.V. All rights reserved.
WOS关键词PALEOMAGNETIC CONSTRAINTS ; EURASIA COLLISION ; ASIA COLLISION ; EASTERN TIBET ; GONJO BASIN ; CONVERGENCE ; SUBDUCTION ; PALEOCENE ; EVOLUTION ; GROWTH
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDA13010106] ; National Natural Science Foundation of China[41888101] ; National Natural Science Foundation of China[41690112] ; National Natural Science Foundation of China[41761144065] ; Royal Society-K.C. Wong International Fellowship[NF 170033] ; NWO Vici grant[865.17.001] ; International Partnership Program of the Chinese Academy of Sciences[GJHZ1776]
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000530914400009
出版者ELSEVIER
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Royal Society-K.C. Wong International Fellowship ; Royal Society-K.C. Wong International Fellowship ; Royal Society-K.C. Wong International Fellowship ; Royal Society-K.C. Wong International Fellowship ; NWO Vici grant ; NWO Vici grant ; NWO Vici grant ; NWO Vici grant ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Royal Society-K.C. Wong International Fellowship ; Royal Society-K.C. Wong International Fellowship ; Royal Society-K.C. Wong International Fellowship ; Royal Society-K.C. Wong International Fellowship ; NWO Vici grant ; NWO Vici grant ; NWO Vici grant ; NWO Vici grant ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Royal Society-K.C. Wong International Fellowship ; Royal Society-K.C. Wong International Fellowship ; Royal Society-K.C. Wong International Fellowship ; Royal Society-K.C. Wong International Fellowship ; NWO Vici grant ; NWO Vici grant ; NWO Vici grant ; NWO Vici grant ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Royal Society-K.C. Wong International Fellowship ; Royal Society-K.C. Wong International Fellowship ; Royal Society-K.C. Wong International Fellowship ; Royal Society-K.C. Wong International Fellowship ; NWO Vici grant ; NWO Vici grant ; NWO Vici grant ; NWO Vici grant ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences ; International Partnership Program of the Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/96739]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Li, Shihu
作者单位1.Univ Utrecht, Dept Earth Sci, Utrecht, Netherlands
2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
4.China Earthquake Adm, State Key Lab Earthquake Dynam, Inst Geol, Beijing 100029, Peoples R China
5.Univ Lancaster, Lancaster Environm Ctr, Lancaster LA1 4YQ, England
6.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Li, Shihu,van Hinsbergen, Douwe J. J.,Najman, Yani,et al. Does pulsed Tibetan deformation correlate with Indian plate motion changes?[J]. EARTH AND PLANETARY SCIENCE LETTERS,2020,536:14.
APA Li, Shihu,van Hinsbergen, Douwe J. J.,Najman, Yani,Jing Liu-Zeng,Deng, Chenglong,&Zhu, Rixiang.(2020).Does pulsed Tibetan deformation correlate with Indian plate motion changes?.EARTH AND PLANETARY SCIENCE LETTERS,536,14.
MLA Li, Shihu,et al."Does pulsed Tibetan deformation correlate with Indian plate motion changes?".EARTH AND PLANETARY SCIENCE LETTERS 536(2020):14.

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来源：地质与地球物理研究所

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