Nontraditional gold-platinum deposits in East Siberia

Abstract

The authors have revealed a commercially important platinum mineralization (0.1-7.3 ppm Pt) in the gold-bearing metasomatites and ores of the Sukhoi Log, Zun-Kholba, and Irokindinskoe deposits in East Siberia. At the Sukhoi Log deposit native platinum, Pt₃Cu; Pt₃Fe; Pt, Fe; Pt₃(Cu,Fe), (Pd,Ag)_n(Te,Bi)_m, PtS in accretion with pyrite, galenite, and sphalerite have been found. These gold ores should be considered complex gold-platinum and referred to gold-platinum-sulfide-telluride-listwanite (Sukhoi Log) and gold-platinum-quartz-sulfide-beresite (Zun-Kholba, Irokindinskoe) formations of hydrothermal-metasomatic genesis. The deposits are located in Late Proterozoic - Paleozoic rifting structures on the areas of active paleodiapirism development. Such nontraditional objects are characterized by step accumulation of Au, Pt, Pd, Rh, and Os in ore-localizing fault-fold structures, in zones of fracture, mylonization, and hydrothermal metasomatism among carbonaceous, terrigenous, and terrigenous-volcanogenic rock masses of the upper rifting parts of terrigenous synclines and ophiolitic belts.

Original language	English
Pages (from-to)	432-444
Number of pages	13
Journal	Geologiya i Geofizika
Issue number	4
Publication status	Published - 1998

Keywords

Conditions of Pt, Pd, Rh, and Os concentration in black-shale masses
East Siberia
Nontraditional complex deposits
Platinum-metal forms in ores
Zones of hydrothermal metasomatism and diapirism

ASJC Scopus subject areas

Earth and Planetary Sciences (miscellaneous)

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Korobeinikov, A. F., Mitrofanov, G. L., Nemerov, V. R., & Kolpakova, N. A. (1998). Nontraditional gold-platinum deposits in East Siberia. Geologiya i Geofizika, (4), 432-444.

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abstract = "The authors have revealed a commercially important platinum mineralization (0.1-7.3 ppm Pt) in the gold-bearing metasomatites and ores of the Sukhoi Log, Zun-Kholba, and Irokindinskoe deposits in East Siberia. At the Sukhoi Log deposit native platinum, Pt3Cu; Pt3Fe; Pt, Fe; Pt3(Cu,Fe), (Pd,Ag)n(Te,Bi)m, PtS in accretion with pyrite, galenite, and sphalerite have been found. These gold ores should be considered complex gold-platinum and referred to gold-platinum-sulfide-telluride-listwanite (Sukhoi Log) and gold-platinum-quartz-sulfide-beresite (Zun-Kholba, Irokindinskoe) formations of hydrothermal-metasomatic genesis. The deposits are located in Late Proterozoic - Paleozoic rifting structures on the areas of active paleodiapirism development. Such nontraditional objects are characterized by step accumulation of Au, Pt, Pd, Rh, and Os in ore-localizing fault-fold structures, in zones of fracture, mylonization, and hydrothermal metasomatism among carbonaceous, terrigenous, and terrigenous-volcanogenic rock masses of the upper rifting parts of terrigenous synclines and ophiolitic belts.",

keywords = "Conditions of Pt, Pd, Rh, and Os concentration in black-shale masses, East Siberia, Nontraditional complex deposits, Platinum-metal forms in ores, Zones of hydrothermal metasomatism and diapirism",

author = "Korobeinikov, {A. F.} and Mitrofanov, {G. L.} and Nemerov, {V. R.} and Kolpakova, {N. A.}",

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AU - Korobeinikov, A. F.

AU - Mitrofanov, G. L.

AU - Nemerov, V. R.

AU - Kolpakova, N. A.

PY - 1998

Y1 - 1998

N2 - The authors have revealed a commercially important platinum mineralization (0.1-7.3 ppm Pt) in the gold-bearing metasomatites and ores of the Sukhoi Log, Zun-Kholba, and Irokindinskoe deposits in East Siberia. At the Sukhoi Log deposit native platinum, Pt3Cu; Pt3Fe; Pt, Fe; Pt3(Cu,Fe), (Pd,Ag)n(Te,Bi)m, PtS in accretion with pyrite, galenite, and sphalerite have been found. These gold ores should be considered complex gold-platinum and referred to gold-platinum-sulfide-telluride-listwanite (Sukhoi Log) and gold-platinum-quartz-sulfide-beresite (Zun-Kholba, Irokindinskoe) formations of hydrothermal-metasomatic genesis. The deposits are located in Late Proterozoic - Paleozoic rifting structures on the areas of active paleodiapirism development. Such nontraditional objects are characterized by step accumulation of Au, Pt, Pd, Rh, and Os in ore-localizing fault-fold structures, in zones of fracture, mylonization, and hydrothermal metasomatism among carbonaceous, terrigenous, and terrigenous-volcanogenic rock masses of the upper rifting parts of terrigenous synclines and ophiolitic belts.

AB - The authors have revealed a commercially important platinum mineralization (0.1-7.3 ppm Pt) in the gold-bearing metasomatites and ores of the Sukhoi Log, Zun-Kholba, and Irokindinskoe deposits in East Siberia. At the Sukhoi Log deposit native platinum, Pt3Cu; Pt3Fe; Pt, Fe; Pt3(Cu,Fe), (Pd,Ag)n(Te,Bi)m, PtS in accretion with pyrite, galenite, and sphalerite have been found. These gold ores should be considered complex gold-platinum and referred to gold-platinum-sulfide-telluride-listwanite (Sukhoi Log) and gold-platinum-quartz-sulfide-beresite (Zun-Kholba, Irokindinskoe) formations of hydrothermal-metasomatic genesis. The deposits are located in Late Proterozoic - Paleozoic rifting structures on the areas of active paleodiapirism development. Such nontraditional objects are characterized by step accumulation of Au, Pt, Pd, Rh, and Os in ore-localizing fault-fold structures, in zones of fracture, mylonization, and hydrothermal metasomatism among carbonaceous, terrigenous, and terrigenous-volcanogenic rock masses of the upper rifting parts of terrigenous synclines and ophiolitic belts.

KW - Conditions of Pt, Pd, Rh, and Os concentration in black-shale masses

KW - East Siberia

KW - Nontraditional complex deposits

KW - Platinum-metal forms in ores

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