Low-Sulfide Platinum–Palladium Deposits of the Paleoproterozoic Fedorova–Pana Layered Complex, Kola Region, Russia

Several deposits of low-sulfide Pt–Pd ores have been discovered in recent decades in the Paleoproterozoic Fedorova–Pana Layered Complex located in the Kola Region (Murmansk Oblast) of Russia. The deposits are divided into two types: reef-style, associated with the layered central portions of intrusi...

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Bibliographic Details
Published in:Minerals (Basel) 2019-12, Vol.9 (12), p.764
Main Authors: Groshev, Nikolay Yu, Rundkvist, Tatyana V., Karykowski, Bartosz T., Maier, Wolfgang D., Korchagin, Aleksey U., Ivanov, Anton N., Junge, Malte
Format: Article
Language:English
Subjects:
Anorthosite
Breccia
Deposits
Geology
Gold
Heavy metals
Intrusion
Isotopes
Metals
Mineralization
Minerals
Noble metals
Ores
Palladium
Platinum
Reefs
Stratigraphy
Sulfides
Sulphides
Taiga & tundra
Tundra
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Summary:Several deposits of low-sulfide Pt–Pd ores have been discovered in recent decades in the Paleoproterozoic Fedorova–Pana Layered Complex located in the Kola Region (Murmansk Oblast) of Russia. The deposits are divided into two types: reef-style, associated with the layered central portions of intrusions, and contact-style, localized in the lower parts of intrusions near the contact with the Archean basement. The Kievey and the North Kamennik deposits represent the first ore type and are confined to the North PGE Reef located 600–800 m above the base of the West Pana Intrusion. The reef is associated with a horizon of cyclically interlayered orthopyroxenite, gabbronorite and anorthosite. The average contents of Au, Pt and Pd in the Kievey ore are 0.15, 0.53 and 3.32 ppm, respectively. The North Kamennik deposit has similar contents of noble metals. The Fedorova Tundra deposit belongs to the second ore type and has been explored in two sites in the lower part of the Fedorova intrusion. Mineralization is mainly associated mainly with taxitic or varied-textured gabbronorites, forming a matrix of intrusive breccia with fragments of barren orthopyroxenite. The ores contain an average of 0.08 ppm Au, 0.29 ppm Pt and 1.20 ppm Pd. In terms of PGE resources, the Fedorova Tundra is the largest deposit in Europe, hosting more than 300 tons of noble metals.
ISSN:2075-163X
2075-163X
DOI:10.3390/min9120764