Element partitioning between majorite and liquid - A secondary ion mass spectrometric study

Details Element partitioning between majorite and liquid - A secondary ion mass spectrometric study Element partitioning between majorite and liquid - A secondary ion mass spectrometric study

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992georl..19...17y&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 19, Jan. 3, 1992, p. 17-20.

Physics

18

Geophysical Fluids, Minerals, Petrology, Secondary Ion Mass Spectrometry, Trace Elements, Abundance, Earth Mantle

Scientific paper

SIMS was applied to measure the trace element abundances in majorite and the ultramafic liquid equilibrating at high pressure and temperature for the first time, and was proved to be useful for high pressure experimental petrology. The analysis by SIMS was made to determine the abundance of 15 lithophile elements, one siderophile, and two chalcophile elements. An electron microprobe analysis was also made to obtain the major element abundance. Some lithophile elements (Al, Be, and V) are enriched in majorite, whereas the lithopile elements (Li, B, Na, K, Ca, Ti, Zr, Y, La, Sm, Gd, and Hf), and siderophile and chalcophile elements (Co, Cu, Zn) are favored in the liquid. These results give important constraints for the genesis of komatiites and chemical heterogeneity in the Archean mantle.

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