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Global cooling and enhanced Eocene Asian mid-latitude interior aridity

Author

Listed:
  • J. X. Li

    (China Geological Survey
    Northwest University)

  • L. P. Yue

    (Northwest University
    Chinese Academy of Sciences)

  • A. P. Roberts

    (Australian National University)

  • A. M. Hirt

    (Eidgenössische Technische Hochschule Zürich)

  • F. Pan

    (China Geological Survey
    Northwest University)

  • Lin Guo

    (China Geological Survey)

  • Y. Xu

    (China Geological Survey)

  • R. G. Xi

    (China Geological Survey)

  • Lei Guo

    (China Geological Survey)

  • X. K. Qiang

    (Chinese Academy of Sciences)

  • C. C. Gai

    (Chinese Academy of Sciences
    Qingdao National Laboratory for Marine Science and Technology)

  • Z. X. Jiang

    (Australian National University
    Qingdao National Laboratory for Marine Science and Technology
    Ocean University of China)

  • Z. M. Sun

    (Chinese Academy of Geological Sciences)

  • Q. S. Liu

    (Southern University of Science and Technology)

Abstract

Tibetan Plateau uplift has been suggested as the main driving force for mid-latitude Asian inland aridity (AIA) and for deposition of thick aeolian sequences in northern China since the Miocene. However, the relationship between earlier AIA and Tibetan Plateau mountain building is uncertain because of a lack of corresponding thick aeolian sequences with accurate age constraints. We here present results for a continuous aeolian sequence that spans the interval from >51 to 39 Ma from the eastern Xorkol Basin, Altun Shan, northeastern Tibetan Plateau. The basal age of the studied sequence postdates initial uplift of the Tibetan Plateau by several million years. Our results indicate that the local palaeoclimate was teleconnected strongly to the overall global cooling pattern, so that local enhanced aridification recorded by the studied aeolian sequence is dominantly a response to global climatic forcing rather than plateau uplift.

Suggested Citation

  • J. X. Li & L. P. Yue & A. P. Roberts & A. M. Hirt & F. Pan & Lin Guo & Y. Xu & R. G. Xi & Lei Guo & X. K. Qiang & C. C. Gai & Z. X. Jiang & Z. M. Sun & Q. S. Liu, 2018. "Global cooling and enhanced Eocene Asian mid-latitude interior aridity," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
  • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05415-x
    DOI: 10.1038/s41467-018-05415-x
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