NDLI: Experimental modeling of zonality of copper-rich sulfide ores in copper-nickel deposits

Content Provider	Springer Nature Link
Author	Sinyakova, E. F. Kosyakov, V. I.
Copyright Year	2009
Abstract	To model the formation of the zonal structure of copper-rich sulfide Cu-Ni ores of the Norilsk type, a sample composed of 35.6 of Fe, 14.0 of Cu, and 50.0 at.% of S with an admixture of 0.05 at.% of each of Pt, Pd, Rh, Ir, Au, Ag, and Mo is subjected to directional crystallization. The crystallized ingot consisted of three parts: (1) a pyrrhotine solid solution (PSS), (2) a poss-and-cubanite mixture, and (3) an intermediate solid solution (ISS). Curves of the ore component distribution in the sample are plotted; their coefficients of distribution (k) between the solid solutions and the sulfide melt are measured. It is shown that admixtures of Rh, Ru, and Ir concentrate in PSS, and the other admixtures form their own minerals mainly associated with ISS. Coefficients k of Ru, Rh, and Ir are determined between the PSS and the sulfide melt. The results of the sample crystallization presented in the paper satisfactorily imitate natural zonality of low-sulfur copper sulfide ores. Previously, it was shown that directional crystallization of the sample of CuFeS$_{2}$ composition imitates the zonality of highsulfur ore bodies in Norilsk deposits. Thus, we proved the application perspective of directional crystallization for modeling features of forming copper-rich sulfide ores.
Starting Page	787
Ending Page	792
Page Count	6
File Format	PDF
ISSN	1028334X
Journal	Doklady Earth Sciences
Volume Number	427
Issue Number	1
e-ISSN	15318354
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2009-07-24
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences

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