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    Seismic reflection data support episodic and simultaneous growth of the Tibetan Plateau since 25 Myr

    Access Status
    Open access via publisher
    Authors
    Jiang, X.
    Li, Zheng-Xiang
    Date
    2014
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Jiang, X. and Li, Z. 2014. Seismic reflection data support episodic and simultaneous growth of the Tibetan Plateau since 25 Myr. Nature Communications. 5: 5453.
    Source Title
    Nature Communications
    DOI
    10.1038/ncomms6453
    ISSN
    2041-1723
    School
    Department of Applied Geology
    URI
    http://hdl.handle.net/20.500.11937/20812
    Collection
    • Curtin Research Publications
    Abstract

    The spectacular topography of the Tibetan Plateau is the result of collision between India and Eurasia over some 50 Myr, but how the plateau grew to its present size remains a topic of debate. Work along its eastern margin suggests a two-stage uplift (thus growth of the plateau) since 30–25 Myr. Here we report high-resolution seismic reflection and drill core results from the southern Tarim Basin that indicate a similar pattern for the northern margin of the plateau. The data suggest that uplift in northern Tibet started at ~23 Myr from near sea level, with the first episode finished by ~10 Myr, followed by a post-5-Myr episode of rapid uplift along the present plateau margin. The growth of the Tibetan Plateau after the Eocene thus appears to have been episodic in nature, and near-synchronous along both eastern and northern margins.

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