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Rare earth, Fe and Ti variations along the Galapagos spreading centre, and their relationship to the Galapagos mantle plume

Nature volume 261, pages 108–113 (1976)Cite this article

Abstract

Rare earths, Fe and Ti concentrations in basalts dredged along the Galapagos spreading centre reveal that a juvenile mantle plume is welling up beneath the Galapagos Islands and mixing with the depleted asthenosphere to the north-east and north-west beneath the ridge. Unusually extensive shallow-depth, crystal fractionation is also apparent on the ridge between 85 and 87°W. The ‘magnetic telechemistry’ hypothesis is further clarified.

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Author information

Authors and Affiliations

  1. Graduate School of Oceanography, University of Rhode Island, Kingston, Rhode Island, 02881

    J.-G. Schilling

  2. Lamont–Doherty Geological Observatory of Columbia University, Palisades, New York, 10964

    Roger N. Anderson

  3. US Naval Oceanographic Office, Chesapeake Beach, Maryland, 20732

    P. Vogt

Authors
  1. J.-G. Schilling
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  2. Roger N. Anderson
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  3. P. Vogt
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Schilling, JG., Anderson, R. & Vogt, P. Rare earth, Fe and Ti variations along the Galapagos spreading centre, and their relationship to the Galapagos mantle plume. Nature 261, 108–113 (1976). https://doi.org/10.1038/261108a0

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