Noble gas partitioning between metal and silicate under high pressures

Details Noble gas partitioning between metal and silicate under high pressures Noble gas partitioning between metal and silicate under high pressures

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993sci...259..788m&link_type=abstract

Science (ISSN 0036-8075), vol. 259, no. 5096, p. 788-790.

Computer Science

15

Iron, Melts (Crystal Growth), Phase Separation (Materials), Rare Gases, Silicates, Chemical Composition, Earth Mantle, Gas Pressure, Mass Spectroscopy, Phase Transformations

Scientific paper

Measurements of noble gas (helium, neon, argon, krypton, and xenon) partitioning between silicate melt and iron melt under pressures up to 100 kilobars indicate that the partition coefficients are much less than unity and that they decrease systematically with increasing pressure. The results suggest that the Earth's core contains only negligible amounts of noble gases if core separation took place under equilibrium conditions.

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