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    Large-scale drainage capture and surface uplift in eastern Tibet–SW China before 24 Ma inferred from sediments of the Hanoi Basin, Vietnam

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    Table S1: Volumes of sediment deposited in offshore basins compared with volumes of rock eroded from potential source terrains onshore in the modern Red River basin. (1.113Kb)
    Table S2: Nd isotopic data, lithology and stratigraphic control for each of the samples analyzed in this study. (980bytes)
    Table S3: Nd isotopic data for potential source terrains in eastern Asia. (10.43Kb)
    Date
    2006-10-10
    Author
    Clift, Peter D.  Concept link
    Blusztajn, Jerzy S.  Concept link
    Nguyen, Anh Duc  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/3335
    As published
    https://doi.org/10.1029/2006GL027772
    DOI
    10.1029/2006GL027772
    Abstract
    Current models of drainage evolution suggest that the non-dendritic patterns seen in rivers in SE Asia reflect progressive capture of headwaters away from the Red River during and as a result of surface uplift of Eastern Asia. Mass balancing of eroded and deposited rock volumes demonstrates that the Red River catchment must have been much larger in the past. In addition, the Nd isotope composition of sediments from the Hanoi Basin, Vietnam, interpreted as paleo-Red River sediments, shows rapid change during the Oligocene, before ∼24 Ma. We interpret this change to reflect large-scale drainage capture away from the Red River, possibly involving loss of the middle Yangtze River. Reorganization was triggered by regional tilting of the region towards the east. This study constrains initial surface uplift in eastern Tibet and southwestern China to be no later than 24 Ma, well before major surface uplift and gorge incision after 13 Ma.
    Description
    Author Posting. © American Geophysical Union, 2006. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Geophysical Research Letters 33 (2006): L19403, doi:10.1029/2006GL027772.
    Collections
    • Geology and Geophysics (G&G)
    Suggested Citation
    Geophysical Research Letters 33 (2006): L19403
     
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