Comparing the Upper Triassic Deep-sea Flysch of the Shannan Terrane with the Coeval Shallow Shelf Sediments of the Tethys Himalaya,Southern Tibet

查看全文 作　　者：LI [1]Xianghui;Frank [2]MATTERN

机构地区：[1]School of Earth Sciences and Engineering,Nanjing University,Nanjing 210023,China;[2]College of Science,Earth Science Department,Sultan Qaboos University,Al-Khod,PO Box 36,Sultanate of Oman

出　　处：《Acta Geologica Sinica(English Edition)》索引2021年第95卷第2期,共7页

基　　金：the National Natural Science Foundation of China(NSFC 41072075 and 41872104)for funding this study。 摘　　要：The provenance and paleogeography of the Upper Triassic deep-sea flysch Langjiexue Group(LG)of the Shannan Terrane in the northeastern Himalaya orogen,south of Yarlung Zangbo,have been disputed in recent years since its affinity to the Tethys Himalaya was suspected during the early 2000 s.Based on the earlier discoveries of the Upper Permian–Triassic basalts and mafic dykes from the LG and of coeval detrital zircons from the Qulonggongba Formation(QF)in shallow shelf sediments of the Tethys Himalaya,the previous viewpoints on the basin and tectonics of the LG have been recently rejected.We compared the two units of the Upper Triassic,and our results reveal a number of differences,discrepancies,and inconsistencies in the debate,raising crucial questions on the postulation and provenance model of the remote Gondwanide Orogen for the LG.It is suggested that more observations and evidence are needed to further improve the paleogeographic understanding and relationship of the two units. 关键词：SEDIMENTOLOGY PALEOGEOGRAPHY FLYSCH shelf sediment Late Triassic Shannan Terrane TETHYS Tibet

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Comparing the Upper Triassic Deep-sea Flysch of the Shannan Terrane with the Coeval Shallow Shelf Sediments of the Tethys Himalaya,Southern Tibet

参考文献(60)

引证文献(2)

耦合文献(102)

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