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Author: PETER J. SMITH
Department of Earth Sciences
Milton Keynes, U.K.
- Molecular orbit calculations suggest that potassium is not enhanced in sulfur, iron, or iron sulfides at the high pressures of the earth's outer core. Thus, most of the earth's potassium cannot be in the core, and the earth therefore cannot be chondritic in potassium. Nor can the geomagnetic core dynamo be powered by the radioactive...