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Article
The Kharbei Amphibolite–Gneiss Complex (Polar Urals): P–T Evolution and Results of U–Pb LA-ICP-MS Isotopic Study of Metamorphic Zircon
In the study of the Khanmeikhoi Formation of the central zone of the Kharbei amphibolite–gneiss complex, it was shown that the amphibolites, schists, and plagiogneisses common here form two primary igneous ser...
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Article
Sources of the Upper Proterozoic Terrigenous Deposits in the Northwestern Part of the Argun Massif, Central Asian Fold Belt: Results of U–Th–Pb Geochronological and Sm–Nd Isotopic-Geochemical Studies
The publication presents the results of geochemical, isotopic-geochemical (Sm–Nd) and isotopic-geochronological (U–Th–Pb) studies of terrigenous rocks of the Middle Riphean (?) Nadarov Formation and the Upper ...
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Article
Sources of Terrigenous Sediments of the Lower Cambrian Bystraya Formation of the Argun Massif and Paleogeodynamic Settings of Their Accumulation
This paper presents the results of mineralogical, geochemical, isotope, and geochemical (Sm–Nd) studies of siltstones from the upper Bystraya subformation of the Argun continental massif, as well as U–Pb datin...
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Article
Composition and Age of Atypical Zircon–Titanomagnetite Ores of the Tret’yakovskoe Gold–Fluorite Deposit, West Transbaikalia
Atypical zircon–titanomagnetite ores were found within the ore field of the Tret’yakovskoe gold–fluorite deposit, which is part of the Gilberi gold–silver–fluorite–rare metal ore cluster. The veined quartz–flu...
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Article
Open AccessErratum to: Kimiltei Is a New Late Cambrian Lagerstätte with the Faunistic Complex of Arthropods (Euthycarcinoidae, Synziphosurina, and Chasmataspidida) in the Irkutsk Region
An Erratum to this paper has been published: https://doi.org/10.1134/S1028334X23070322
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Article
Age Boundary of the Upper Precambrian Basal Rocks of the Polar Urals: Results of U–Pb (LA-ICP-MS) Dating of Zircon
The lower age boundary of the Upper Precambrian basal sequences of the Polar Urals (Nyarovei Group) is determined on the basis of mass U–Pb (LA-ICP-MS) dating of detrital zircon. The upper boundary of the basa...
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Article
The First Detrital Zircon Data on the Northwestern Precambrian Yenisei Ridge: Identification of the Continental–Arc Kiselikha Terrane
Northwestern segment of the Precambrian Yenisei Ridge contains ophiolite and is known in literature as the Isakovka Terrane or Isakovka domain. We suggest to divide it into two belts: Kiselikha (western) and T...
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Article
Geological Setting and Gold–Bismuth Mineralization of the Namovskoe Deposit (Southern Sikhote-Alin)
Based on the results of a comprehensive geological, mineralogical, and geochemical study of ores of the Namovskoe deposit, new data on the specifics of mineralization were obtained. The ores of the deposit wer...
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Article
Periodicity of Endogenic Events of West Transbaikalia and North Mongolia (Eastern Segment of the Central Asian Foldbelt): U–Pb Age of Detrital Zircon from the Present-Day River Sediments
Five main stages of the formation and reworking of continental crust in the region are recognized on the basis of correlation between the U–Pb isotopic ages of detrital zircon grains from present-day alluvial ...
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Article
Composition and Age of Rocks of the Provenance Areas for the Lower–Middle Cambrian (?) Terrigenous Sediments of the Ernichnaya Formation of the Argun Massif, Eastern Part of the Central Asian Foldbelt
The results of mineralogical and geochemical studies of sandstones and siltstones of the Ernichnaya Formation of the Argun Series of the Argun continental massif and the U–Pb (LA-ICP-MS) age of their detrital ...
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Article
Late Carboniferous Rhyolites of the Amur Fragment of the Nora–Sukhotino Terrane: Geochemistry and Geochronology
This paper presents the first geochemical, isotope-geochemical (Sm–Nd) and geochronological (U–Pb, LA–ICP–MS) data on acid volcanic rocks collected in the Bogdanikha River basin of the Priamursky fragment of t...
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Article
Open AccessKimiltei Is a New Late Cambrian Lagerstätte with the Faunistic Complex of Arthropods (Euthycarcinoidae, Synziphosurina, and Chasmataspidida) in the Irkutsk Region
A new locality Kimiltei, Irkutsk oblast, where unmineralized remains of arthropods were buried en masse, is described. The U–Pb zircon dating yielded a Cambrian age with the youngest values of 492 ± 4 Ma. Kimi...
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Article
The First Data on the Age of Metamorphic Rocks of the Synchuga Block of the Jiamusi Continental Massif (Central Asian Orogenic Belt)
The results of U–Th–Pb geochronological studies of zircons from metamorphic rocks of the Amur group of the Synchuga Block of the Jiamusi continental massif are given. It is shown that garnet–biotite–sericite s...
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Article
First LA–ICP–MS Apatite Fission-Track Ages from the Basement of the Siberian Platform (Nepa–Botuoba Anteclise)
The first results of laser ablation inductively-coupled plasma mass-spectrometry apatite fission-track dating are presented from drill core of boreholes, which exposed the top of the Siberian Platform's crysta...
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Article
New Data on the Age of the Ozernoe Polymetallic Deposit (Western Transbaikalia)
The article presents results of the biostratigraphic and U–Pb geochronological (detrital zircon) studies of the volcanoterrigenous lacustrine member of the upper subformation (Lower Paleozoic Oldynda Formation...
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Article
Metagabbro-Dolerites of the Central Part of the Kara Depression, Nenets Autonomous District, Russia: Influence of an Impact Event and the U–Pb (LA–ICP–MS) Age
The paper presents results of petrographic, geochemical, mineralogical, and isotope-geochronological studies of metagabbro-dolerites of the central part of the Kara Depression, located in the middle course of ...
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Article
Geochemistry and Age of Basic Dikes of the Snezhnoe Be Deposit: Evidence for the Late Paleozoic Plume–Mantle Magmatism of East Sayan
Mafic subvolcanic bodies (gabbroids, mafic dikes) occur within the East Sayan rift zone of the Late Paleozoic Barguzin silicic large igneous province (SLIP) together with ore-bearing alkali granitoids. The Sne...
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Article
The Tectonic Evolution and Provenance of the Lower Paleozoic Terrigenous Rocks of the Omulevka and Rassokha Terranes, Northeast Russia
This paper presents the data on the geological structure of the Lower Paleozoic complexes of the Omulevka and Rassokha terranes, which occur in the western part of the Kolyma–Omolon microcontinent. The Lower P...
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Article
Application of Isotope Geochronology Methods for Localization of Regions of Stone-Material Import
The results of studying the stone material used for the construction of the port pier of the Ancient Greek city of Phanagoria are given. As established from a comprehensive analysis by petrographic, geochemica...
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Article
The U–Pb LA-SF-ICP-MS Age of Zircon from Metaplagiogranite of the Kharbei Metamorphic Complex (Polar Urals)
For timing of endogenous events in the Kharbei metamorphic complex (Polar Urals), U–Pb isotopic dating of zircons from garnet–clinozoisite–twomica metaplagiogranite was carried out using laser ablation and mag...
