Volcanic Age and Geochemistry of the Permian Linxi Formation in Northeast China: Implications for the Tectonic Evolution of the Paleo-Asian Ocean

doi:10.2113/2023/lithosphere_2023_192

	Volcanic Age and Geochemistry of the Permian Linxi Formation in Northeast China: Implications for the Tectonic Evolution of the Paleo-Asian Ocean
	Zhang, Haihua 5,6; Zhang, Hua 3,4; Shen, Shuzhong 2; Zhao, Zifu 6; Qiu, Liang 1; Chen, Shuwang 5; Zhang, Jian 5; Gong, Fanhao 5; Li, Yongfei 5; Zheng, Yuejuan 5
刊名	LITHOSPHERE
	2023
卷号	2023 期号:1 页码:20
ISSN号	1941-8264
DOI	10.2113/2023/lithosphere_2023_192
通讯作者	Zhang, Hua(hzhang@nigpas.ac.cn)
英文摘要	The tectonic evolution of the Paleo-Asian Ocean (PAO) has been well studied, including its gradual narrowing and closure by subduction. However, aspects of the tectonic evolution of the oceanic domain remain unclear, including the exact timing and nature of the closure. The Central Asian Orogenic Belt (CAOB) was formed by the closure of the PAO and, therefore, contains information about the tectonic evolution of the oceanic domain. Here, we report a study of the petrology, geochronology, and geochemistry of the Taohaiyingzi section of the Permian Linxi Formation in Alukhorqin Banner (Northeast China) in the central part of the CAOB. A newly discovered andesitic tuff from the lower part of the Linxi Formation yields a weighted mean Pb-206/U-238 age of 262.2 +/- 1.1 Ma (n = 87), indicating that the lower part of the Linxi Formation of the Taohaiyingzi section was deposited during the late Guadalupian. Provenance weathering indicators show that the sedimentary rocks of the Linxi Formation are of low maturity. Element geochemical characteristics indicate that the Linxi Formation clastic rocks were derived from eroded magmatic rocks that formed in a continental arc setting and were deposited close to the arc in a continental arc basin environment. The active margin setting was generated by the subduction of the paleo-Asian oceanic plate beneath the Xilinhot-Songliao block. The inferred palaeosalinity of the sedimentary environment changed gradually from brackish to fresh water, suggesting the end of oceanic plate subduction during the late Guadalupian, and the closure of the PAO during or after the Lopingian.
资助项目	National Key R&D Program of China[2019YFC0605404] ; National Key R&D Program of China[41790451] ; China Geological Survey Projects[DD20221664] ; China Geological Survey Projects[DD20230210] ; Invertigation on the Middle Jurassic Flora and Strata in the Central and Southern Great Xing`an Range, NE China[42172024] ; National Natural Science Foundation of China[NSFC 42293280] ; Strategic Priority Research Programs of the Chinese Academy of Sciences[XDB26000000] ; CAS[QYZDY-SSW-DQC023]
WOS关键词	AR HORQIN BANNER ; U-PB AGE ; INNER-MONGOLIA ; SEDIMENTARY-ROCKS ; TRACE-ELEMENT ; DETRITAL ZIRCONS ; HEGENSHAN OPHIOLITE ; SONGLIAO BASIN ; CRUSTAL GROWTH ; MAJOR-ELEMENT
WOS研究方向	Geochemistry & Geophysics ; Geology
语种	英语
出版者	GEOSCIENCEWORLD
WOS记录号	WOS:001081727900001
资助机构	National Key R&D Program of China ; China Geological Survey Projects ; Invertigation on the Middle Jurassic Flora and Strata in the Central and Southern Great Xing`an Range, NE China ; National Natural Science Foundation of China ; Strategic Priority Research Programs of the Chinese Academy of Sciences ; CAS
内容类型	期刊论文
源URL	[http://ir.nigpas.ac.cn/handle/332004/43243]
专题	中国科学院南京地质古生物研究所
通讯作者	Zhang, Hua
作者单位	1.China Univ Geosci, Sch Earth Sci & Resources, State Key Lab Geol Proc & Mineral Resources, Beijing 100083, Peoples R China 2.Nanjing Univ, Ctr Res & Educ Biol Evolut & Environm, Nanjing 210023, Peoples R China 3.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China 4.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China 5.Shenyang Ctr China Geol Survey, Shenyang 110034, Peoples R China 6.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Haihua,Zhang, Hua,Shen, Shuzhong,et al. Volcanic Age and Geochemistry of the Permian Linxi Formation in Northeast China: Implications for the Tectonic Evolution of the Paleo-Asian Ocean[J]. LITHOSPHERE,2023,2023(1):20.
APA	Zhang, Haihua.,Zhang, Hua.,Shen, Shuzhong.,Zhao, Zifu.,Qiu, Liang.,...&Zhang, Yujin.(2023).Volcanic Age and Geochemistry of the Permian Linxi Formation in Northeast China: Implications for the Tectonic Evolution of the Paleo-Asian Ocean.LITHOSPHERE,2023(1),20.
MLA	Zhang, Haihua,et al."Volcanic Age and Geochemistry of the Permian Linxi Formation in Northeast China: Implications for the Tectonic Evolution of the Paleo-Asian Ocean".LITHOSPHERE 2023.1(2023):20.