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  • 130-803D; 130-807C; Aluminium oxide; Calcium oxide; Chromium; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Elements, total; Event label; Iron oxide, Fe2O3; Joides Resolution; Leg130; Loss on ignition; Magnesium oxide; Manganese oxide; Nickel; North Pacific Ocean; Ocean Drilling Program; ODP; Phosphorus pentoxide; Potassium oxide; Rubidium; Sample code/label; Silicon dioxide; Sodium oxide; Strontium; Titanium dioxide; Vanadium; X-ray fluorescence (XRF); Yttrium; Zirconium  (1)
  • Exhumation  (1)
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  • 1
    Publication Date: 2024-01-09
    Description: Estimated relative errors on major and minor elements are 1%. For trace elements, errors (% standard deviation at levels measured) are estimated at 1 % for Cr, 3% for Ni, 3% for Rb at 30 ppm, and 〉20% at 〈 10 ppm; 2% for Sr and V, and 4% for Y and Zr.
    Keywords: 130-803D; 130-807C; Aluminium oxide; Calcium oxide; Chromium; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Elements, total; Event label; Iron oxide, Fe2O3; Joides Resolution; Leg130; Loss on ignition; Magnesium oxide; Manganese oxide; Nickel; North Pacific Ocean; Ocean Drilling Program; ODP; Phosphorus pentoxide; Potassium oxide; Rubidium; Sample code/label; Silicon dioxide; Sodium oxide; Strontium; Titanium dioxide; Vanadium; X-ray fluorescence (XRF); Yttrium; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 1480 data points
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  • 2
    Publication Date: 2022-05-25
    Description: Author Posting. © American Geophysical Union, 2004. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Tectonics 23 (2004): TC5013, doi:10.1029/2003TC001559.
    Description: The Indus River is the only major drainage in the western Himalaya and delivers a long geological record of continental erosion to the Arabian Sea, which may be deciphered and used to reconstruct orogenic growth if the modern bedload can be related to the mountains. In this study we collected thermochronologic data from river sediment collected near the modern delta. U-Pb ages of zircons spanning 3 Gyr show that only ~5% of the eroding crust has been generated since India-Asia collision. The Greater Himalaya are the major source of zircons, with additional contributions from the Karakoram and Lesser Himalaya. The 39Ar/40Ar dating of muscovites gives ages that cluster between 10 and 25 Ma, differing from those recorded in the Bengal Fan. Biotite ages are generally younger, ranging 0–15 Ma. Modern average exhumation rates are estimated at ~0.6 km/m.y. or less, and have slowed progressively since the early Miocene (~20 Ma), although fission track (FT) dating of apatites may indicate a recent moderate acceleration in rates since the Pliocene (~1.0 km/m.y.) driven by climate change. The 39Ar/40Ar and FT techniques emphasize the dominance of high topography in controlling the erosional flux to the ocean. Localized regions of tectonically driven, very rapid exhumation (e.g., Nanga Parbat, S. Karakoram metamorphic domes) do not dominate the erosional record.
    Description: Scottish Universities Environmental Research Centre (SUERC) is supported by the Scottish Universities and the British National Environmental Research Council (NERC). P. C. wishes to thank the Joint Oceanographic Institutions (JOI) for partial support of this work.
    Keywords: Himalaya ; Indus River ; Fission track ; Exhumation ; Erosion ; Thermochronology
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: text/plain
    Format: application/pdf
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