Evolution of the Neo-Tethys traced by Late Triassic to Early Cretaceous marine remnants in the eastern segment of the Yarlung-Tsangpo suture zone, southern Tibet

doi:10.1016/j.jseaes.2024.106090

NIGPAS OpenIR

	Evolution of the Neo-Tethys traced by Late Triassic to Early Cretaceous marine remnants in the eastern segment of the Yarlung-Tsangpo suture zone, southern Tibet
通讯作者	Li, Xin([email protected]) ; Li, Yalin([email protected])
	He, Zhihao 1; Li, Xin2 ; Li, Yalin 1; Matsuoka, Atsushi 3; Luo, Hui2 ; Cui, Xiaohui 2,4; Cheng, Jianbo 1
	2024-04-15
发表期刊	JOURNAL OF ASIAN EARTH SCIENCES
ISSN	1367-9120
卷号	265 页码:20
摘要	Widely distributed siliceous m & eacute;langes in the Yarlung-Tsangpo suture zone preserve significant information of the Neo-Tethys and subduction-accretion processes. Similar ophiolites and siliceous m & eacute;langes are well exposed in the Xigaze and Zedong areas, however, their relationship including age assignments, depositional environments, and accretionary process remains vague. Based on radiolarian biostratigraphy (56 species belonging to 35 genera), black cherts from the Carnian to the Norian (Late Triassic), red cherts from the Aalenian to Bathonian (Middle Jurassic), and siliceous mudstones of the Berriasian (Early Cretaceous) are distinguished from siliceous m & eacute;lange in the Zedong area. Values of Al/(Al + Fe + Mn) indicate that the siliceous rocks are biogenic silica derived. The diagrams of Al2O3/(Al2O3 + Fe2O3) vs Fe2O3/TiO2 and Al2O3/(Al2O3 + Fe2O3) vs La-N/Ce-N indicate siliceous rocks were deposited far from the ridge. Weak positive Ce anomaly and low ratio of La-N/Ce-N indicate that siliceous rocks were deposited in a deep-sea basin proximal to terrigenous sources. Comprehensive summary of studies on Bainang siliceous m & eacute;lange, Xigaze ophiolite, Zedong ophiolite, and Zedong siliceous m & eacute;lange reconstructs the Ocean Plate Stratigraphy (OPS) and the evolution of the Neo-Tethys since the Late Triassic till the Early Cretaceous. M & eacute;langes in Xigaze and Zedong were formed in different intra-oceanic subduction-accretion systems at different times in the Neo-Tethys Ocean during the Cretaceous.
关键词	Melange Ocean Plate Stratigraphy Radiolarians Geochemistry Late Triassic Jurassic Early Cretaceous
DOI	10.1016/j.jseaes.2024.106090
收录类别	SCI
语种	英语
关键词[WOS]	LATE JURASSIC RADIOLARIANS ; DEPOSITIONAL-ENVIRONMENTS ; ZEDONG TERRANE ; CENTRAL JAPAN ; XIALU-CHERT ; OPHIOLITE ; MIDDLE ; ROCKS ; CONSTRAINTS ; FAUNA
资助项目	National Natural Science Foundation of China[91955206] ; National Natural Science Foundation of China[42272018] ; Second Tibetan Plateau Scientific Expedition and Research[2019QZKK0803] ; Second Tibetan Plateau Scientific Expedition and Research[2019QZKK0706]
WOS研究方向	Geology
WOS类目	Geosciences, Multidisciplinary
WOS记录号	WOS:001206432400001
项目资助者	National Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research
出版者	PERGAMON-ELSEVIER SCIENCE LTD
文献类型	期刊论文
条目标识符	http://ir.nigpas.ac.cn/handle/332004/43688
专题	中国科学院南京地质古生物研究所
通讯作者	Li, Xin; Li, Yalin
作者单位	1.China Univ Geosci Beijing, Sch Earth Sci & Resources, State Key Lab Biogeol & Environm Geol, Beijing, Peoples R China 2.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China 3.Niigata Univ, Fac Sci, Dept Geol, Niigata 9502181, Japan 4.Linyi Univ, Inst Geol & Paleontol, Linyi 276000, Shandong, Peoples R China
通讯作者单位	中国科学院南京地质古生物研究所
推荐引用方式 GB/T 7714	He, Zhihao,Li, Xin,Li, Yalin,et al. Evolution of the Neo-Tethys traced by Late Triassic to Early Cretaceous marine remnants in the eastern segment of the Yarlung-Tsangpo suture zone, southern Tibet[J]. JOURNAL OF ASIAN EARTH SCIENCES,2024,265:20.
APA	He, Zhihao.,Li, Xin.,Li, Yalin.,Matsuoka, Atsushi.,Luo, Hui.,...&Cheng, Jianbo.(2024).Evolution of the Neo-Tethys traced by Late Triassic to Early Cretaceous marine remnants in the eastern segment of the Yarlung-Tsangpo suture zone, southern Tibet.JOURNAL OF ASIAN EARTH SCIENCES,265,20.
MLA	He, Zhihao,et al."Evolution of the Neo-Tethys traced by Late Triassic to Early Cretaceous marine remnants in the eastern segment of the Yarlung-Tsangpo suture zone, southern Tibet".JOURNAL OF ASIAN EARTH SCIENCES 265(2024):20.