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Plant remains from the Early Cretaceous deposits of Qubsang, Doilungdeqen, northwestern Lhasa of Tibet, China
Yang, Xiao-Ju (杨小菊); Xu, Qing; Lin, Miao-Qin; Li, Jian-Guo (李建国)
2019-05-15
发表期刊JOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
卷号175期号:1页码:83-92
摘要

New fossil plants are reported from the lower part of the Linbuzong Formation at Qubsang, Doilungdeqen, Lhasa, Tibet. The assemblage comprises Neocalamites sp., Ptilozamites tibetica Yang, Ptilozamites sp., ?Ptilozamites sp., Zamites sp. 1, Zamites sp. 2, ?Zamites (?Otozamites) sp. 1, ?Zamites sp. 2., Ptilophyllum sp. 1, Ptilophyllum sp. 2, Ptilophyllum sp. 3, Geinitzia sp. and Elatocladus (?Torreyites) sp. Among these plants at least two of them, Ptilozamites tibetica and Elatocladus (?Torreyites) sp. are firstly discovered in this area, and the others occured frequently in the Mesozoic flora in Tibet. Associated miospores suggests an Early Cretaceous age for the assemblage. The abundance of Ptilophyllwn and conifer Geinitzia sp. and the absence of Ginkgoales might indicate a palaeoenvironment with both a low latitude and high temperatures, and a tropical arid to semi-arid climate predominating in this coastal area. The Qubsang assemblage, composed mainly of Bennettitales and Coniferopsida, does not resemble any contemporaneous ones known from Gondwanaland or Eurasia. Although the flora lacks characteristic Wealden ferns, such as Weichselia, the plant assemblage shows a general relation to Tethyan floras of the area and might roughly correspond in age to the Wealden floras of Western Europe.

关键词Palaeobotany Bennettitales Coniferopsida Miospores Early Cretaceous Tibet
DOI10.1016/j.jseaes.2018.06.004
收录类别SCIE
语种英语
资助项目Strategic Priority Research Program (B) of Chinese Academy of Sciences[XDB03010103] ; Strategic Priority Research Program (B) of Chinese Academy of Sciences[XDB18000000] ; National Natural Science Foundation of China[41472011] ; National Natural Science Foundation of China[41688103]
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000464298500007
项目资助者Strategic Priority Research Program (B) of Chinese Academy of Sciences ; National Natural Science Foundation of China
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/332004/15767
专题中国科学院南京地质古生物研究所
其他
通讯作者Yang, Xiao-Ju (杨小菊)
作者单位Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
第一作者单位中国科学院南京地质古生物研究所
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
Yang, Xiao-Ju ,Xu, Qing,Lin, Miao-Qin,et al. Plant remains from the Early Cretaceous deposits of Qubsang, Doilungdeqen, northwestern Lhasa of Tibet, China[J]. JOURNAL OF ASIAN EARTH SCIENCES,2019,175(1):83-92.
APA Yang, Xiao-Ju ,Xu, Qing,Lin, Miao-Qin,&Li, Jian-Guo .(2019).Plant remains from the Early Cretaceous deposits of Qubsang, Doilungdeqen, northwestern Lhasa of Tibet, China.JOURNAL OF ASIAN EARTH SCIENCES,175(1),83-92.
MLA Yang, Xiao-Ju ,et al."Plant remains from the Early Cretaceous deposits of Qubsang, Doilungdeqen, northwestern Lhasa of Tibet, China".JOURNAL OF ASIAN EARTH SCIENCES 175.1(2019):83-92.
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