Substructure of the Inner Core of the Earth
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.
- Publication:
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Proceedings of the National Academy of Science
- Pub Date:
- January 1996
- DOI:
- Bibcode:
- 1996PNAS...93..646H