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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

          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
          Affiliations
          [1 ] Herndon Science and Software, Inc., San Diego, CA 92131, USA.
          Article
          40105
          11607625
          1757fc49-3cf7-4c11-812e-8e23452e359b
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