中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
The timeline of prolonged accretionary processes in eastern Central Asian Orogenic Belt: Insights from episodic Paleozoic intrusions in central Inner Mongolia, North China

文献类型:期刊论文

作者Yuan, Lingling1,2; Zhang, Xiaohui2,3; Yang, Zhili2,4
刊名GEOLOGICAL SOCIETY OF AMERICA BULLETIN
出版日期2022-03-01
卷号134期号:3-4页码:629-657
ISSN号0016-7606
DOI10.1130/B35907.1
英文摘要Updating magmatic profile in crucial constituent terranes across the Central Asian Orogenic Belt presents a key to chronicling the timeline of prolonged accretionary processes and termination of the Paleo-Asian Ocean in the northern China-southern Mongolia tract. Here we performed a systematic geochronological and geochemical study on a spectrum of Paleozoic intrusions from the Erenhot region in central Inner Mongolia, North China, within the hinterland of the tract, with four distinct magmatic episodes unraveled. Combining these episodes with the previously documented events from contiguous regions defines two major tectono-magmatic cycles. The early Paleozoic cycle (500-450 Ma) evolved from initial fluid-fluxed tholeiitic and calc-alkaline granitoids to melt-fertilized mafic-intermediate magmatism. It appears to experience the initiation and maturation of a Western Pacifictype intra-oceanic arc system that culminated in ridge subduction. The late Paleozoic cycle expanded in magmatic expression from alkaline intermediate-felsic pulses through plate subduction through slab rollback and backarc rifting to ridge-trench collision and backarc basin closure. Featuring a Rodinia-aged terrane affinity and a representative Paleozoic magmatic profile, the Erenhot re-gion provides an optimal site for correlating the evolution of mosaic terranes in southern Mongolia and northern China, and for evalu-ating the coupled evolution of shifting tec-tonic regimes and plural crustal generation mechanisms within a retreating accretionary orogen.
WOS关键词A-TYPE GRANITES ; SOLONKER SUTURE ZONE ; PHANEROZOIC CRUSTAL GROWTH ; ALKALINE VOLCANIC-ROCKS ; PB ZIRCON GEOCHRONOLOGY ; XILIN GOL COMPLEX ; HIGH-MG ANDESITES ; U-PB ; CONTINENTAL-CRUST ; TECTONIC EVOLUTION
资助项目National Key Research and Development Program of China[2017YFC0601306] ; National Natural Science Foundation of China[41873035] ; National Natural Science Foundation of China[41573031] ; Scientific Research Starting Foundation of Central South University[502045004]
WOS研究方向Geology
语种英语
WOS记录号WOS:000765017600006
出版者GEOLOGICAL SOC AMER, INC
资助机构National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program 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 ; Scientific Research Starting Foundation of Central South University ; Scientific Research Starting Foundation of Central South University ; Scientific Research Starting Foundation of Central South University ; Scientific Research Starting Foundation of Central South University ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program 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 ; Scientific Research Starting Foundation of Central South University ; Scientific Research Starting Foundation of Central South University ; Scientific Research Starting Foundation of Central South University ; Scientific Research Starting Foundation of Central South University ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program 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 ; Scientific Research Starting Foundation of Central South University ; Scientific Research Starting Foundation of Central South University ; Scientific Research Starting Foundation of Central South University ; Scientific Research Starting Foundation of Central South University ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program 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 ; Scientific Research Starting Foundation of Central South University ; Scientific Research Starting Foundation of Central South University ; Scientific Research Starting Foundation of Central South University ; Scientific Research Starting Foundation of Central South University
源URL[http://ir.iggcas.ac.cn/handle/132A11/105010]  
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Zhang, Xiaohui
作者单位1.Cent South Univ, Sch Geosci & Info Phys, Key Lab Metallogen Predict Nonferrous Met & Geol, Minist Educ, Changsha 410083, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Yuan, Lingling,Zhang, Xiaohui,Yang, Zhili. The timeline of prolonged accretionary processes in eastern Central Asian Orogenic Belt: Insights from episodic Paleozoic intrusions in central Inner Mongolia, North China[J]. GEOLOGICAL SOCIETY OF AMERICA BULLETIN,2022,134(3-4):629-657.
APA Yuan, Lingling,Zhang, Xiaohui,&Yang, Zhili.(2022).The timeline of prolonged accretionary processes in eastern Central Asian Orogenic Belt: Insights from episodic Paleozoic intrusions in central Inner Mongolia, North China.GEOLOGICAL SOCIETY OF AMERICA BULLETIN,134(3-4),629-657.
MLA Yuan, Lingling,et al."The timeline of prolonged accretionary processes in eastern Central Asian Orogenic Belt: Insights from episodic Paleozoic intrusions in central Inner Mongolia, North China".GEOLOGICAL SOCIETY OF AMERICA BULLETIN 134.3-4(2022):629-657.

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来源:地质与地球物理研究所

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