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Substructure of the inner core of the Earth.

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      Abstract

      The rationale is disclosed for a substructure within the Earth's inner core, consisting of an actinide subcore at the center of the Earth, surrounded by a subshell composed of the products of nuclear fission and radioactive decay. Estimates are made as to possible densities, physical dimensions, and chemical compositions. The feasibility for self-sustaining nuclear fission within the subcore is demonstrated, and implications bearing on the structure and geodynamic activity of the inner core are discussed.

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      Author and article information

      Affiliations
      [1 ] Herndon Science and Software, Inc., San Diego, CA 92131, USA.
      Journal
      Proc. Natl. Acad. Sci. U.S.A.
      Proceedings of the National Academy of Sciences of the United States of America
      0027-8424
      0027-8424
      Jan 23 1996
      : 93
      : 2
      11607625
      40105

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