Abstract
Sulfurization of meteoritic metal in H2S-H-2 gas produced three different
sulfides: monosulfide solid solution (Fe,Ni)(1-x)S, pentlandite
(Fe,Ni)(9-x)S-8, and a phosphorus-rich sulfide. The composition
of the remnant metal was unchanged. These results are contrary ta
theoretical predictions that sulfide formation in the solar nebula
produced troilite (FeS) and enriched the remaining metal in nickel.
The experimental sulfides are chemically and morphologically similar
to sulfide grains in the matrix of the Alais (class Cl) carbonaceous
chondrite, suggesting that these meteoritic sulfides may be condensates
from the solar nebula.
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