Makishima, Akio (1995) A review isotope geochemical studies for Iceland. I. Isotope-Geochemical characterization of Icelandic hot spot, Journal of Mineralogy, Petrology and Economic Geology, 90, 379-387, doi:10.2465/ganko.90.379. < 20200501161128-904796 > pub
  • abstract:

    In this article, the isotope geochemical study for Iceland is reviewed. Iceland is geologically unique because it is a subaerial exposure of Mid-Atlantic Ridge, which is caused by the interaction between the ridge and the Icelandic hot spot. To investigate what is happening beneath Iceland, many geochemical studies have been done. The geochemical studies using conventional Sr, Nd, Pb, He and O isotope tracers revealed the heterogeneity not only of the oceanic mantle, but also of the Icelandic hot spot mantle itself. Furthermore, the oxygen isotope studies revealed the reworking of the Icelandic crust which is altered by meteoritic water. The characterization of the Icelandic hot spot from the isotope geochemistry is very important in testing the hypothesis of the mantle-crust recycling. In near future, new tracers such as Li, B or Ce will be applied to this problem, and new constraints will be obtained.

  • doi: 10.2465/ganko.90.379
  • modified at 2020-05-01
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  • name
  • Makishima, Akio