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Sr and Pb Isotopic Compositions in Dolostones of the Lower Riphean Billyakh Group, Anabar Uplift: Step-Leaching Technique in Chemostratigraphy and Geochronology
Abstract —This paper presents new age estimates and results obtained by the chemostratigraphic study of dolostones of the Billyakh Group, which...
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Structural and Crystal-Chemical Features and Rb–Sr Age of Globular Glauconite in the Ust-Il’ya Formation (Lower Riphean, Anabar Uplift)
AbstractFor the first time, mineralogical, structural, crystal-chemical and isotope-geochronological data were obtained for a glauconite sample from...
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Facies-Stratigraphic Distribution of Organic-Walled and Silicified Microfossils in the Early Billiyakh Basin (Lower Riphean, Anabar Uplift, Siberia)
AbstractThe sedimentary succession of the Anabar Uplift (North Siberia) contains the Early Riphean abundant and diverse microfossil assemblages. The...
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Early Riphean Billyakh Group of the Anabar Uplift, North Siberia: C–O Isotopic Geochemistry and Pb–Pb Age of Dolomites
AbstractThe U and Pb contents and C, O, and Pb isotopic compositions are determined for dolomites of the Billyakh Group (6 and 15 samples of the...
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Division of the Early Proterozoic Khargitui Formation of the Sarma Group (Akitkan Orogenic Belt, Siberian Craton) into Different Age Sequences Based on the Results of U–Pb Isotopic Analysis of Zircon
AbstractU–Pb (LA-ICP-MS) geochronological studies of detrital zircon from rocks of the Early Proterozoic Khargitui Formation of the Sarma Group,...
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Pb–Pb Age of Carbonate Rocks of the Kamo Group, Baikit Anteclise of the Siberian Platform
AbstractThe first direct Pb–Pb dating of carbonate rocks of the Kamo Group has been carried out. The Pb–Pb age of carbonates of the lower units (the...
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Geoelectrical Model of the Deep Structure of the Yenisei–Khatanga Regional Trough
Abstract —The deep structure of the northern framing of the Siberian Platform is studied based on three-dimensional (3D) inversion of regional...
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Mineralogical, Crystal-Chemical, and Rb–Sr Isotope Data on Terrigenous Globular Phyllosilicates of the Maastakh Formation (Lower Vendian, Olenek Uplift)
AbstractThe mineralogical, structural, crystal-chemical, and isotope-geochronological data were obtained for the first time in two samples of...
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The Hettangian–Early Pliensbachian Evolution Phase of the Anabar–Lena Sedimentary Basin, Nordvik Facies Region
AbstractNew data on the structure and formation conditions of the Anabar–Lena sedimentary basin in the Nordvik facies region at the beginning of the...
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Morphotectonic and petrological characteristics of Permo-Triassic traps of Siberia
AbstractThe article reports morphotectonic and petrological characteristics of Permo-Triassic trap basalts covering the major part of Siberian Craton...
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Internal Structures of Placer Gold Grains As Prospecting Indicators of Primary Gold Sources in the Northeast of the Siberian Platform
AbstractTypomorphic features of placer gold are carriers of important information necessary for reconstruction of the formation history of gold...
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Model of the Gold-Bearing Placer Formation in Platform Areas (Eastern Siberian Platform)
Abstract—A model of the gold-bearing placer formation in platform areas is proposed for the first time. Placers on the platforms are formed mainly...
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Tectonic Framework of the Eurasian Arctic Continental Margin
AbstractModern ideas about the tectonics of the Eurasian continental margin are considered. Cratons, fold belts, platforms, and sedimentary basins...
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The First Record of a Representative of the Toarcian–Early Aalenian Belemnites in Kimberlites of the Obnazhennaya Pipe (Northeastern Siberian Platform)
AbstractA rostrum fragment of a representative of the Toarcian–Early Aalenian (the latest Early Jurassic–the earliest Middle Jurassic) belemnites Arcobelus...
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Variations in Trace Element and Isotope Composition of Neoarchean Mafic Granulites of the Southwest Siberian Craton: a Consequence of Various Mantle Sources or Crustal Contamination
The paper presents geochemical and isotopic characteristics of Neoarchean (2.7–2.66 Ga) mafic granulites of the Sharyzhalgay uplift in the...
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Carbonate Rocks from the Riphean–Vendian Boundary Deposits of the Anabar Uplift: Isotope (87Sr/86Sr, δ13C, δ18O) Systematics and Chemostratigraphic Consequences
New 87 Sr/ 86 Sr, δ 13 C, and δ 18 О chemostratigraphic data were obtained for carbonate rocks of the Lower Riphean Yusmastakh and the Vendian...
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Paleomagnetism and Age Correlation of the Mesoproterozoic Rocks of the Udzha and Olenek Uplifts, Northeastern Siberian Platform
Abstract —This paper presents the results of paleomagnetic studies of the Proterozoic sedimentary and igneous rocks composing the structure of...
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Gold-Bearing Placer Assemblages in the East of the Siberian Platform: Origin and Prospects
AbstractFor the first time, based on a study of the typomorphic features of placer gold and its distribution patterns, the predicted gold potential...
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Trace Fossils from the Vendian-Cambrian Transitional Strata of the Igarka Uplift (Northwestern Siberian Platform)
AbstractThe Vendian–Cambrian transitional strata of the Igarka Uplift (northwestern Siberian Platform), originally erected as the Sukharikha...
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Problematic Porifera from the Lower Cambrian of Western Mongolia
AbstractA new species of problematic microfossil of the genus Aetholicopalla Conway Morris in Bengtson et al., 1990 is described from the lower...