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A young source for the Hawaiian plume

Author

Listed:
  • Alexander V. Sobolev

    (ISTerre, University Joseph Fourier, Grenoble 1 and CNRS, BP 53
    Max Planck Institute for Chemistry, Postfach 3060
    V. I. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences)

  • Albrecht W. Hofmann

    (Max Planck Institute for Chemistry, Postfach 3060
    Lamont Doherty Earth Observatory)

  • Klaus Peter Jochum

    (Max Planck Institute for Chemistry, Postfach 3060)

  • Dmitry V. Kuzmin

    (Max Planck Institute for Chemistry, Postfach 3060
    V. S. Sobolev Institute of Geology and Mineralogy, Siberian Branch of Russian Academy of Sciences)

  • Brigitte Stoll

    (Max Planck Institute for Chemistry, Postfach 3060)

Abstract

A young Hawaiian plume Sobolev et al. show that highly radiogenic strontium in melt inclusions from lavas of the Mauna Loa shield volcano in Hawaii have an isotopic composition matching that of sea water aged 200 million to 650 million years old. They infer that such sea water must have contaminated the Mauna Loa source rock prior to subduction, imparting a unique 'time stamp' and indicating that mantle circulation has an average speed of about 2 centimetres per year, which is more rapid than previously thought.

Suggested Citation

  • Alexander V. Sobolev & Albrecht W. Hofmann & Klaus Peter Jochum & Dmitry V. Kuzmin & Brigitte Stoll, 2011. "A young source for the Hawaiian plume," Nature, Nature, vol. 476(7361), pages 434-437, August.
    • Handle: RePEc:nat:nature:v:476:y:2011:i:7361:d:10.1038_nature10321
    DOI: 10.1038/nature10321
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