Background and Recent Advance for Isotopic Studies on the Oklo Natural Fission Reactors

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  • HIDAKA Hiroshi
    Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University

Bibliographic Information

Other Title
  • オクロ天然原子炉についての基礎知識と最近の同位体研究の進歩

Description

The Oklo uranium ore in the Francevillian basin at the Republic of Gabon is known as a fossil of natural fission reactor, because large-scaled fission chain reactions spontaneously occurred in the ore two billion years ago. It is of major concern to characterize the properties of nuclear reactors and to investigate the behavior of fission products in and around the reactors. In this review, geological and physic-chemical characteristics of the Oklo natural fission reactor and its implication for radioactive waste disposal are shown.

Journal

  • RADIOISOTOPES

    RADIOISOTOPES 61 (6), 331-341, 2012

    Japan Radioisotope Association

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