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Liquation Differentiation of Komatiites: Features of Isotopic–Geochemical Composition of Rocks, Age, and Petrological–Geodynamic Implications (Using the Example of the Kostomuksha Greenstone Structure, Fennoscandian Shield)
AbstractThis paper presents the data on the structure and composition of a concentric-zonal komatiite pillow from the Ruvinvaar Formation of the...
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The Great Dyke of the Kola Peninsula as a Marker of an Archean Cratonization in the Northern Fennoscandian Shield
The results of geochronological and petrological studies of the largest mafic dyke in the northern part of the Fennoscandian Shield, called the Great...
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Age and Stratigraphic Position of a Supracrustal Complex (Kaskama Block, Inari Terrane, Northeastern Kola–Norwegian Region of the Fennoscandian Shield)
AbstractThe U–Th–Pb age (SIMS) of magmatic ( T = 730–744°C) zircon from intermediate and felsic metavolcanics (1923–1926 Ma) of the supracrustal...
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Metasomatic Transformation of Amphibolites into Corundum-Bearing Plagioclasites: Zoning and Numerical Model of the Process with Reference to the Unique Khitostrov Corundum Deposit, Fennoscandian Shield
AbstractThe paper presents results of a study of middle crustal (amphibolite-facies level) desilicated rocks exemplified by corundum-bearing...
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А History of Coronitic Metagabbronorites in the Belomorian Province, Fennoscandian Shield: U-Pb (CA-ID-TIMS) Dating of Zircon–Baddeleyite Aggregates
The estimation of crystallization and metamorphic reworking ages of mafic rocks in the polycyclic Precambrian areas is a difficult problem. Magmatic...
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Paleoseismic Events Reflected in Late Pleistocene and Holocene Deposits of the Terraces of Imandra Lake (Kola Region, Fennoscandian Shield)
AbstractSoft-sediment deformation structures have been identified in glaciolacustrine deposits of the terrace complexes of Imandra Lake (Kola Region,...
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Inverse Problem of Magnetotelluric Sounding in the Bear Experiment on the Fennoscandian Shield
AbstractThe paper considers methodological issues of solving the inverse problem of electromagnetic sounding data. A critical analysis of the...
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U–Pb Age of Detrital Zircon in the Cement of Early Precambrian Polymict Conglomerates of the Central Karelia Domain, Karelian Province, Fennoscandian Shield
AbstractU–Th–Pb LA-ICP-MS was used for dating detrital zircon extracted from the cement of Neoarchean and Paleoproterozoic polymict conglomerates of...
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Age, Isotopic Features, and Formation Type of Rocks and Ores of the Allarechka Cu–Ni Sulfide Deposit, Fennoscandian Shield
The Neoarchean U-Th-Pb (SHRIMP-II) age of 2718 ± 7 Ma was established for the large copper–nickel Allarechka deposit located in the Kola–Norwegian...
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Evaluation of deep geothermal exploration drillings in the crystalline basement of the Fennoscandian Shield Border Zone in south Sweden
The 3.1- and 3.7-km-deep FFC-1 and DGE-1 geothermal explorations wells drilled into the Precambrian crystalline basement on the southern margin of...
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Re-Os Isotope and HSE Abundance Systematics of the 2.9 Ga Komatiites and Basalts from the Sumozero-Kenozero Greenstone Belt, SE Fennoscandian Shield: Implications for the Mixing Rates of the Mantle
AbstractRhenium-Os isotope and highly siderophile element (HSE, including Re, Os, Ir, Ru, Pt, and Pd) abundance systematics of Archean komatiites can...
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Metamorphic Mineral Reactions and Mineral Assemblages in Rocks of the Meyeri Tectonic Zone, Southeastern Fennoscandian Shield, Russia
AbstractMineral reactions were studied in metamorphic rocks from the Meyeri tectonic zone, and the P–T path of the development of this structure was...
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Erratum to: U–Pb Age of Detrital Zircon in the Cement of Early Precambrian Polymict Conglomerates of the Central Karelia Domain, Karelian Province, Fennoscandian Shield
An Erratum to this paper has been published: https://doi.org/10.1134/S1028334X23050094
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A Metamorphosed Au–Ag Deposit in the Precambrian of the Fennoscandian Shield: A New Conceptual Model
AbstractThe Oleninskoe gold deposit is located in the northwestern part of the Kolmozero–Voron’ya greenstone belt (Kola Peninsula), in a sequence of...
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Supracrustal Rocks of Uneven-Aged Archean Greenstone Structures of the Karelian Craton of the Fennoscandian Shield at the Border with the Svecofennian Block: Composition, Age, and Origin
AbstractNew data have been obtained on composition and age of the Archean supracrustal complexes of the Yalonvara–Pertinjarvi, Korpijarvi, and...
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Two High-Pressure Metamorphic Events in Early Precambrian Eclogites of the Gridino Area, Belomorian Province of the Fennoscandian Shield: Petrology and Geochronology
AbstractEarly Precambrian retrogressed eclogites are abundant in the Belomorian Province of the Fennoscandian Shield. This study reports unique...
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Evidence of Late Svecofennian Elevated-Pressure Metamorphism in the North Ladoga Zonal Metamorphic Complex, Southeastern Fennoscandian Shield
AbstractThe mineral assemblage Pl + Bt + Qtz + Grt + Sil + Ilm + Rt ± St (without cordierite) found in metapelites at the Kitelä garnet deposit in...
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E. S. Fedorov’s “Drusites”: Metamorphic Reaction Structures in Paleoproterozoic Metagabbronorites of the Belomorian Province of the Fennoscandian Shield
The reaction structures (coronas) in metagabbronorites from the Belomorian Province were resulted from two stages of high-grade metamorphism. The...
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Chrome-Spinelides from Layered Intrusions of the Paleoproterozoic Fennoscandian Shield as Indicators of Petro - and Ore Genesis
A comparative study on compositions of accessory and ore chrome-spinelides of the harzburgite-orthopyroxenite-gabbronorite-anorthosite layered...
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Sr and C Isotope Chemostratigraphy of the Paleoproterozoic Metacarbonate Rocks of the Sortavala Group: Fennoscandian Shield, Northern Ladoga Area
Abstract—The first Sr isotope data and the new C isotope signatures have been obtained for the metacarbonate rocks of the Sortavala Group in the...
