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 CuFeS2 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.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
