Physical properties of the Earth's core.

Details Physical properties of the Earth's core. Physical properties of the Earth's core.

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994crasb.318..341p&link_type=abstract

Comptes Rendus de l'Academie des Sciences, Sér. II, Tome 318, No. 3, p. 341 - 350

Computer Science

10

Earth Core: Structure, Earth Core: Iron

Scientific paper

The core plays a major part in the Earth's dynamics. It is essentially molten iron with about 10 to 15 wt% light elements in solution, probably mostly silicon and sulfur' with some oxygen that can be dissolved at high pressure from the mantle oxides. At the pressure of the inner core boundary, the outer core freezes to form the inner core. Experimental and theoretical determinations of the melting point of iron at these conditions are still scattered, but they lead as to believe that the temperature at the inner core boundary is not far from 5000K. The inner core may be constituted by a new high-pressure phase of iron.

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