Geochemical affinities of cobalt and germanium toward metal, silicate, and sulfide phases at high temperature

Details Geochemical affinities of cobalt and germanium toward metal, silicate, and sulfide phases at high temperature Geochemical affinities of cobalt and germanium toward metal, silicate, and sulfide phases at high temperature

Dec 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974gecoa..38.1821w&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 38, Issue 12, pp.1821-1825

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Scientific paper

Hydrothermal studies indicate that Co and Ge are strongly siderophile when metallic iron is in equilibrium with olivine at 900°C and 500 bars. If the metal is replaced by troilite (FeS), Ge is strongly lithophile whereas Co tends to concentrate in the sulfide phase. If iron meteorites were formed in a core derived from the sulfide phase, they would be depleted in Ge but retain Co.

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