The Lopingian series in the Lhasa Block, Tibet and its palaeogeographical implications

Zhang, Yichun and Shuzhong, Shen 2007, The Lopingian series in the Lhasa Block, Tibet and its palaeogeographical implications, Journal of stratigraphy, vol. 31, no. 4, pp. 345-353.

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Title The Lopingian series in the Lhasa Block, Tibet and its palaeogeographical implications
Author(s) Zhang, Yichun
Shuzhong, Shen
Journal name Journal of stratigraphy
Volume number 31
Issue number 4
Start page 345
End page 353
Publisher Kexue Chubanshe
Place of publication Beijing, China
Publication date 2007
ISSN 0253-4959
Keyword(s) palaeogeography
Lhasa Block
Lopingian Series
Summary Latest investigation indicates that the Lopingian Series including both terrestrial and marine deposit s are developed in the Lhasa Block. The marine Lopinigian Series in the Lhasa Block contains the compound coral Waagenophyllum, fusulinid Reichelina, and foraminifer Colaniella faunas , and the terrestrial Lopingian Series is characterized by both Cathaysian floras and mixed floras consisting of Gondwanan element s such as Glossopteris , Noeggerathiopsis, Phyllotheca and Cathaysian elements such as Pecopteris ,Sphenopteris. An anlaysis of the Lopingian sequences in the Lhasa Block reveals that it experienced a regression stage f rom Guadalupian to Lopingian. By contrast , the Himalayan Tethys Zone south to the Lhasa Block is characterized by typical Gondwanan Glossopteris flora , coldwater brachiopod and solitary coral faunas. In addition, the Lopingian sequence in the Himalayan Tethys Zone reflect s a transgressive process from the terrestrial Qubu Formation to the shallow marine Qubuerga Formation. Therefore, the Lhasa Block shows significant differences in both biota and depositional features from the Himalayan Tethys Zone during the Lopingian, which implies that the Lhasa Block had rifted from the northern periGondwanan margin before the Lopingian.
Notes Chinese with English abstract
Language chi
Field of Research 059999 Environmental Sciences not elsewhere classified
Socio Economic Objective 970105 Expanding Knowledge in the Environmental Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2007, Kexue Chubanshe
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