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A Tectonic Remnant of the Mesoarchean Oceanic Lithosphere in the Belomorian Province, Fennoscandian Shield
Abstract —The results of detailed geological map**, coupled with the isotope-geochemical study of a metamorphosed mafic-ultramafic complex known as...
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Mafic Intrusions of ca. 2400 Ма Large Igneous Province in the Belomorian Mobile Belt: First Baddeleyite U–Pb ID-TIMS Data
AbstractU–Pb ID-TIMS dating of igneous baddeleyite from metamorphosed coronitic gabbronorites in the сentral part of the Belomorian mobile belt,...
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Influence of Modern Geodynamic Processes on the Formation of the Coastal Relief and Seabed of the White Sea
AbstractThe article presents the results of a study of modern geodynamic movements in bottom structures of the White Sea (Baltic Shield). Based on...
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Tracing the SW border of the Svecofennian Domain in the Baltic Sea region: evidence from petrology and geochronology from a granodioritic migmatite
Geological investigations of a part of the crystalline basement in the Baltic Sea have been performed on a drill core collected from the depth of...
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Trace Element Composition of Archean Detrital Zircons from Jatulian Terrigenous Rocks of Fennoscandia
AbstractDetrital zircons with an age of 3.65–3.87 Ga have been found earlier in Jatulian terrigenous rocks from the eastern Fennoscandian Shield,...
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New Evidence of the Organic Origin of Carbonaceous Matter in Archean Banded Iron Formation of the Kostomuksha Greenstone Belt of Karelia, Russia
AbstractThe results of studies of carbonaceous matter (CM) and the S isotopic composition of associated sulfides in metapelites of the Neoarchean...
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Paleoproterozoic (2.51–2.40 Ga) Igneous Provinces of the Northeastern Fennoscandia: Geochemistry of Volcanic Rocks and Correlation with Intrusive Complexes
AbstractThe results of geochemical studies of Paleoproterozoic volcanic rocks in the structure of the Polmak–Pechenga–Imandra–Varzuga belt of the...
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Eclogites of the Belomorian Mobile Belt: Geological-Petrological and Isotope-Geochemical Age Criteria
Eclogites of the Belomorian Mobile Belt (BMB) are a key object for geodynamic reconstructions not only of the BMB, but also of the entire...
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Chapter 3. Early Precambrian Fossil Microorganisms
AbstractArchean (2.5–4.0 Ga) microfossils found in various regions of the world (Greenland, Australia, South Africa, and the Fennoscandian Shield)...
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Introduction
The crystalline crust of Lithuania is part of the bedrock of the East European Craton (EEC). It is covered by non-metamorphosed sediments, the...
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Metamorphism of the Central Bundelkhand Greenstone Complex of the Bundelkhand Craton, Indian Shield and Its Geodynamic Setting
At least three stages of metamorphic processes were identified in the Central Bundelkhand terrane of the Bundelkhand Craton: (1) ca 2.8 Ga...
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The basal dunite of the Precambrian mafic-ultramafic Näränkävaara intrusion: Petrogenetic considerations and implications to exploration
Several mafic-ultramafic layered intrusions were emplaced in the Fennoscandian Shield during wide-spread mantle-sourced magmatism at 2.5–2.4 Ga. The...
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Crust Macrofracturing as the Evidence of the Last Deglaciation
Machine learning methods were applied to reconsider the results of several passive seismic experiments in Finland. We created datasets from different...
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Space-Weather-Driven Geomagnetic- and Telluric-Field Variability in Northwestern Russia in Correlation with Geoelectrical Structure and Currents Induced in Electric-Power Grids
Abstract—The study results of the temporal and spatial variability of geomagnetic and telluric fields driven by anomalous space weather are presented...
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Zircon U-Pb Geochronology Recorded Late Cretaceous Fluid Activation in the Central Aldan Gold Ore District, Aldan Shield, Russia: First Data
The gold mineralization in the Central Aldan ore district is genetically related to potassic calc-alkaline and alkaline magmatism dated at 115–150...
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Various Scale PS ECWM-CDP Seismic Prospecting for Crustal Structure Studies
We construct depth sections of deep crust in the range from 0.8 to 1.2 km (low velocity zone) to 40–60 km (the upper mantle) by jointly using the...
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First Evidence of the Archean Age of Orogenic Gold of the Russian Part of the Karelian Craton (Fennoscandian Shield): Sm–Nd Mineral Isochron for Gold-Bearing Metasomatites of the Novye Peski Deposit
One unsolved problem of Archean metallogeny of the Russian part of the Fennoscandian Shield is related to the period of formation of orogenic gold...
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Electrical Conductivity of the Basement of East European Platform in the Southeastern Ladoga Region from Magnetotelluric Data
Abstract —The paper presents the results of magnetotelluric soundings conducted in 2018–2019 in the southeastern Ladoga region for studying the deep...
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Microseismicity in Local Areas: The Southeastern Part of the Fennoscandian Shield
This paper summarizes the observations of microseismic emissions by these authors in several areas of the Russian part of the Fennoscandian Shield to...