Amber fossils reveal the Early Cenozoic dipterocarp rainforest in central Tibet

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  • He Wang, Chinese Academy of Sciences, University of Science and Technology of China
  • ,
  • Suryendu Dutta, Indian Institute of Technology, Bombay
  • ,
  • Richard S. Kelly, Chinese Academy of Sciences, Bristol University
  • ,
  • Arka Rudra
  • Sha Li, Chinese Academy of Sciences
  • ,
  • Qing Qing Zhang, Chinese Academy of Sciences, University of Science and Technology of China
  • ,
  • Qian Qi Zhang, Chinese Academy of Sciences
  • ,
  • Yi Xiao Wu, University of Science and Technology of China, Chinese Academy of Sciences
  • ,
  • Mei Zhen Cao, Chinese Academy of Sciences
  • ,
  • Bo Wang, Chinese Academy of Sciences, Shandong University of Science and Technology
  • ,
  • Jian Guo Li
  • Hai Chun Zhang, Chinese Academy of Sciences

The palaeoenvironmental reconstruction of central Tibet is key to understanding the uplift history of the Tibetan Plateau, which had a profound influence on Cenozoic global climate and biotic change. Here we report an amber layer from the lower part of the Dingqing Formation (late Oligocene) in Lunpola of central Tibet, which is the first record of amber from Tibet. Herein we find that Lunpola amber is derived from dipterocarp trees, as determined by gas chromatography-mass spectrometry, which are restricted to and dominant in Asian rainforest nowadays. This amber forest represents the northernmost dipterocarp forest and is consistent with the hypothesis of out-of-India dispersal of Asian dipterocarps. The Lunpola amber most probably was derived from the lower part of the Niubao Formation (early–middle Eocene) and suggests a tropical/subtropical wet forest was present in central Tibet at least before the late Oligocene (probably early–middle Eocene).

OriginalsprogEngelsk
TidsskriftPalaeoworld
Vol/bind27
Nummer4
Sider (fra-til)506-513
Antal sider8
ISSN1871-174X
DOI
StatusUdgivet - 1 dec. 2018

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