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New discovery of Early Jurassic radiolarians from Luoqu, Xigaze, southern Tibet and its geological significance
Xu, Bo (许波)1; Luo, Hui (罗辉)1; Wang, Xueheng2
2019-05-15
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
Volume175Pages:49-67
Abstract

Numerous moderately preserved radiolarians of Tethyan affinity were extracted from a purple-red chert sample from the Luoqu Section on the southern side of the Yarlung-Tsangpo suture zone in the Xigaze area, southern Tibet. Ninety-three species belonging to 35 genera are recognized, of which one is described as Citriduma pentaptera sp. nov.; most of them are reported from Tibet for the first time. Significantly, this radiolarian assemblage of nassellarians, subordinate spumellarians and rare entactinarians can be compared with those in Oman, Japan, Oregon and Queen Charlotte Islands and is further assigned to the Eucyrtidiellum nagaiae-Praeparvicingula tlellensis zone of late Pliensbachian in age. This indicates that the pelagic deposits of the Neo-Tethys Ocean in the Xialu area were laid down at least during or since the late Pliensbachian, much earlier than the Aalenian age previously considered.

KeywordRadiolaria Jurassic Late Pliensbachian Luoqu Section Yarlung-tsangpo Suture Zone South Tibet
DOI10.1016/j.jseaes.2018.07.031
Language英语
WOS KeywordYarlung-tsangpo Suture ; Subduction-accretion Processes ; India-asia Collision ; Zone ; Provenance ; Insights ; East ; California ; Ophiolite ; Zonation
Funding ProjectChinese Academy of Sciences[XDB03010102] ; National Natural Science Foundation of China[41402016] ; National Natural Science Foundation of China[41772020] ; State Key Laboratory of Palaeobiology and Stratigraphy
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000464298500004
Funding OrganizationChinese Academy of Sciences ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/15832
Collection中国科学院南京地质古生物研究所
Corresponding AuthorXu, Bo (许波)
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Key Lab Econ Stratig & Palaeogeog, 39 East Beijing Rd, Nanjing 210008, Peoples R China
2.Guangxi Inst Geol Survey, 21 North Yuanhu Rd, Nanning 530023, Peoples R China
Recommended Citation
GB/T 7714
Xu, Bo ,Luo, Hui ,Wang, Xueheng. New discovery of Early Jurassic radiolarians from Luoqu, Xigaze, southern Tibet and its geological significance[J]. JOURNAL OF ASIAN EARTH SCIENCES,2019,175:49-67.
APA Xu, Bo ,Luo, Hui ,&Wang, Xueheng.(2019).New discovery of Early Jurassic radiolarians from Luoqu, Xigaze, southern Tibet and its geological significance.JOURNAL OF ASIAN EARTH SCIENCES,175,49-67.
MLA Xu, Bo ,et al."New discovery of Early Jurassic radiolarians from Luoqu, Xigaze, southern Tibet and its geological significance".JOURNAL OF ASIAN EARTH SCIENCES 175(2019):49-67.
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