Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Experimental modeling of noble and chalcophile elements fractionation during solidification of cu-fe-ni-s melt. / Sinyakova, Elena; Kosyakov, Victor; Palyanova, Galina и др.
в: Minerals, Том 9, № 9, 531, 01.09.2019.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Experimental modeling of noble and chalcophile elements fractionation during solidification of cu-fe-ni-s melt
AU - Sinyakova, Elena
AU - Kosyakov, Victor
AU - Palyanova, Galina
AU - Karmanov, Nikolay
PY - 2019/9/1
Y1 - 2019/9/1
N2 - We carried out a directed crystallization of a melt of the following composition (in mol. %): Fe 31.79, Cu 15.94, Ni 1.70, S 50.20, Sn 0.05, As 0.04, Pt, Pd, Rh, Ru, Ag, Au, Se, Te, Bi, and Sb by 0.03. The obtained cylindrical sample consisted of monosulfide solid solution (mss), nonstoichometric isocubanite (icb*), and three modifications of intermediate solid solution (iss1, iss2, iss3) crystallized from the melt. The simultaneous formation of two types of liquids separated during cooling of the parent sulfide melt was revealed. In the first, concentrations of noble metals associated with Bi, Sb, and Te were found. The second is related to Cu and was found to contain a large amount of S in addition to Bi and Sb. We established the main types of inclusions formed during fractional crystallization of Pt-bearing sulfide melt. It was shown that noble metals are concentrated in inclusions in the form of RuS2, PdTe2, (Pt,Pd)Te2, PtRhAsS, and Ag2Se, doped with Ag, Cu, and Pd, in mss and in the form of PtAs2; Au-doped with Ag, Cu, and Pd; Ag2Te; and Pd(Bi,Sb)xTe1−x in icb* and iss. As solid solutions in the base metal sulfides, Rh is present in mss, Sn in iss.
AB - We carried out a directed crystallization of a melt of the following composition (in mol. %): Fe 31.79, Cu 15.94, Ni 1.70, S 50.20, Sn 0.05, As 0.04, Pt, Pd, Rh, Ru, Ag, Au, Se, Te, Bi, and Sb by 0.03. The obtained cylindrical sample consisted of monosulfide solid solution (mss), nonstoichometric isocubanite (icb*), and three modifications of intermediate solid solution (iss1, iss2, iss3) crystallized from the melt. The simultaneous formation of two types of liquids separated during cooling of the parent sulfide melt was revealed. In the first, concentrations of noble metals associated with Bi, Sb, and Te were found. The second is related to Cu and was found to contain a large amount of S in addition to Bi and Sb. We established the main types of inclusions formed during fractional crystallization of Pt-bearing sulfide melt. It was shown that noble metals are concentrated in inclusions in the form of RuS2, PdTe2, (Pt,Pd)Te2, PtRhAsS, and Ag2Se, doped with Ag, Cu, and Pd, in mss and in the form of PtAs2; Au-doped with Ag, Cu, and Pd; Ag2Te; and Pd(Bi,Sb)xTe1−x in icb* and iss. As solid solutions in the base metal sulfides, Rh is present in mss, Sn in iss.
KW - Ag
KW - Au
KW - Cu-Fe-Ni-S system
KW - Drop-shaped inclusions
KW - Fractional crystallization
KW - Metalloid elements
KW - Platinum-group elements
KW - CRYSTALLIZATION
KW - SYSTEM
KW - GROUP MINERALS
KW - platinum-group elements
KW - fractional crystallization
KW - PLATINUM-GROUP-ELEMENTS
KW - MONOSULFIDE-SOLID-SOLUTION
KW - BEHAVIOR
KW - SULFIDE ORES
KW - HIGHLY SIDEROPHILE
KW - drop-shaped inclusions
KW - PD
KW - metalloid elements
KW - PHASE-RELATIONS
UR - http://www.scopus.com/inward/record.url?scp=85073341601&partnerID=8YFLogxK
U2 - 10.3390/min9090531
DO - 10.3390/min9090531
M3 - Article
AN - SCOPUS:85073341601
VL - 9
JO - Minerals
JF - Minerals
SN - 2075-163X
IS - 9
M1 - 531
ER -
ID: 21939030