Explanipedia

When Big Rivers Started to Drain to the Arctic Basin: A View from the Kara Sea Open

Victoria Ershova, Daniel F. Stöckli, Carmen Gaina, А. К. Khudoley, Sergey V. Shimanskiy · 2025

This study provides new constraints on the paleogeographic evolution of the Arctic during the Mesozoic. U–Pb geochronology of detrital zircon and rutile grains, together with (U–Th)/He zircon thermochronological data from the uppermost Mid…

Arctic Tectonics and Volcanism: a multi-scale, multi-disciplinary educational approach Open

Kim Senger, Grace E. Shephard, Fenna Ammerlaan, Owen A. Anfinson, Pascal Audet , et al. · 2024

Geologically, the Arctic is one of the least-explored regions of Earth. Obtaining data in the high Arctic is logistically, economically, and environmentally expensive, but the township of Longyearbyen (population of 2617 as of 2024) at 78°…

Geodynamic Settings of Late Paleozoic–Early Mesozoic Granitoid Magmatism at the Arctic Continental Margins: Insights from New Geochronological and Geochemical Data from the Taimyr Peninsula Open

Mikhail Kurapov, Dmitry L. Konopelko, Yuriy S. Biske, Vasiliy F. Proskurnin, S. V. Petrov , et al. · 2024

Despite significant progress in Arctic geological studies, a number of principal questions concerning the Paleozoic collisional events remain unanswered. Therefore, the Taimyr Peninsula, representing the only outcropped high Arctic region …

Arctic Tectonics and Volcanism: a multi-scale, multidisciplinary educational approach Open

Kim Senger, Grace E. Shephard, Fenna Ammerlaan, Owen A. Anfinson, Pascal Audet , et al. · 2024

Geologically, the Arctic is one of the least explored regions of Earth. Its significance, in terms of indigenous populations, resource extraction, tourism, shipping and a rapidly changing climate, is increasing. The Arctic offers geologica…

Provenance of Detrital Rutiles from the Triassic–Jurassic Sandstones in Franz Josef Land (Barents Sea Region, Russian High Arctic): U-Pb Ages and Trace Element Geochemistry Open

Victoria Ershova, Andrei V. Prokopiev, Daniel F. Stöckli · 2024

Provenance study plays an important role in paleogeographic and tectonic reconstructions. Detrital zircons are commonly used to identify sediment provenance; however, a wide range of detrital zircon ages in clastic rock often represent a f…

Fourth and fifth seasons of the Nubian Archaeological and Anthropological Expedition of the Anuchin Research Institute and Museum of Anthropology, Lomonosov Moscow State University at the Sites of Deraheib and Onib (the Republic of Sudan). Part I. Survey Open

Alexei A. Krol, Anton Simonenko, Andrey N. Tsyganov, Natalia Petrova, Victoria Ershova , et al. · 2023

Introduction. The Nubian expedition of the Lomonosov MSU carried out survey in the Onib Depression in December 2022. The survey revealed several surface scatters and two stone age sites Onib-1 and Onib-Outcrop. Materials and methods. The m…

Provenance and Stratigraphy of the Upper Carboniferous—Lower Permian Strata of October Revolution Island (Severnaya Zemlya Archipelago): Implications for Geological History of the Russian High Arctic Open

Victoria Ershova, Andrei V. Prokopiev, Daniel F. Stöckli, Daria Zbukova, Anton Shmanyak · 2022

Small depressions across the north-eastern part of October Revolution Island (Severnaya Zemlya archipelago, Kara terrane) are filled with continental terrigenous rocks, dated as Upper Carboniferous–Lower Permian in age based on palynologic…

Cenozoic deposits of western Kotel’nyi Island (New Siberian Islands): key insights into the tectonic evolution of the Laptev Sea Open

Victoria Ershova, Sergey S. Drachev, Andrei V. Prokopiev, А. К. Khudoley, Dmitry Vasiliev , et al. · 2022

The Arctic sedimentary basins are still poorly studied in comparison with other regions. The lack of deep wells across the eastern Russian Arctic has resulted in numerous contrasting geodynamic models for the geological evolution and age o…

Provenance of the Mesozoic succession of Franz Josef Land (north-eastern Barents Sea): Paleogeographic and tectonic implications for the High Arctic Open

Victoria Ershova · 2022

Attachment 1 Stratigraphic column and photo of Location 1 and 2. Attachment 2 Stratigraphic column and photo of Location 3 and 4. Attachment 3 Photo of thin-sections of pebbles from Lower Jurassic conglomerates. Attachment 4 Geochemistry o…

Provenance of the Mesozoic succession of Franz Josef Land (north-eastern Barents Sea): Paleogeographic and tectonic implications for the High Arctic Open

Victoria Ershova · 2022

Attachment 1 Stratigraphic column and photo of Location 1 and 2. Attachment 2 Stratigraphic column and photo of Location 3 and 4. Attachment 3 Photo of thin-sections of pebbles from Lower Jurassic conglomerates. Attachment 4 Geochemistry o…

A digital Circum-Arctic geological repository from the NORRAM project Open

Carmen Gaina, Grace E. Shephard, Alexander N. Minakov, Owen A. Anfinson, Victoria Ershova , et al. · 2022

Most of the Arctic region is contained within the territory of Norway, Russia, USA, Canada and Denmark/Greenland, yet the natural boundaries and processes do not conform to these political borders. This remote region requires spec…

The global dataset of Phanerozoic glendonites and paleogeographic reconstructions  Open

Victoria Ershova, Mikhail Rogov, Carmen Gaina, Oleg S. Vereshchagin, Kseniia Vasileva , et al. · 2022

Glendonites are carbonate (mainly calcite) pseudomorphs after metastable ikaite (CaCO3·6H2O); Glendonites have been found worldwide in Paleoproterozoic to Quaternary sediments…

Can glendonites be used as palaeothermometers? Open

Madeleine L. Vickers, Stefano M. Bernasconi, Bo Pagh Schultz, Mikhail Rogov, Victoria Ershova , et al. · 2022

Glendonites are pseudomorphs after the mineral ikaite found throughout the geological record since the Palaeoproterozoic, often during cooling or glaciation episodes. This, and the apparent temperature…

Cenozoic deposits of western Kotel’nyi Island (New Siberian Islands): key insights into the tectonic evolution of the Laptev Sea Open

Victoria Ershova, Sergey S. Drachev, Andrei V. Prokopiev, А. К. Khudoley, Dmitry Vasiliev , et al. · 2022

The Arctic sedimentary basins are still poorly studied in comparison with other regions. The lack of deep wells across the eastern Russian Arctic has resulted in numerous contrasting geodynamic models for the geological evolution and age o…

Latest Permian–Triassic magmatism of the Taimyr Peninsula: New evidence for a connection to the Siberian Traps large igneous province Open

Mikhail Kurapov, Victoria Ershova, А. К. Khudoley, М. V. Luchitskaya, Daniel F. Stöckli , et al. · 2021

This study presents new whole rock major and trace element, Sr-Nd isotopic, petrographic, and geochronologic data for seven latest Permian (Changhsingian)–Late Triassic (Carnian) granitoid intrusions of the northwestern and northeastern Ta…

Detrital Zircon U-Pb Data for Jurassic–Cretaceous Strata from the South-Eastern Verkhoyansk-Kolyma Orogen—Correlations to Magmatic Arcs of the North-East Asia Active Margin Open

Andrei V. Prokopiev, Victoria Ershova, Daniel F. Stöckli · 2021

We performed U-Pb dating of detrital zircons collected from Middle–Upper Jurassic strata of the Sugoi synclinorium and Cretaceous rocks of the Omsukchan (Balygychan-Sugoi) basin, in order to identify their provenance and correlate Jurassic…

Carboniferous granitic plutons of Nordensheld Archipelago (eastern part of the Kara Sea, Russian High Arctic) Open

Mikhail Kurapov, Victoria Ershova, А. К. Khudoley, Gennady V. Schneider · 2021

Nordensheld Archipelago is a relatively large cluster of islands in the eastern part of the Kara Sea located north of the Taymyr Peninsula. Belonging to the Northern Taimyr tectonic domain of the Taimyr-Severnaya Zemlya fold-and-t…

Early Cretaceous glendonites of Arctic realm: distributions and their paleoclimate implication Open

Kseniia Mikhailova, Victoria Ershova, Mikhail Rogov · 2021

In the middle of 20th century glendonites were purposed as an indicator of cold climate. There is no doubt that unique morphology and sizes of pseudomorphs occurring through Precambrian to Quaternary success…

Database of global glendonite and ikaite records throughout the Phanerozoic Open

Mikhail Rogov, Victoria Ershova, Oleg S. Vereshchagin, Kseniia Vasileva, Kseniia Mikhailova , et al. · 2021

This database of Phanerozoic occurrences and isotopic characteristics of metastable cold-water calcium carbonate hexahydrate (ikaite; CaCO3⚫6H2O) and their associated carbonate pseudomorphs (glendonites) has been compiled from academic pub…

Late Palaeozoic magmatism of Northern Taimyr: new insights into the tectonic evolution of the Russian High Arctic Open

Mikhail Kurapov, Victoria Ershova, А. К. Khudoley, М. V. Luchitskaya, Alexander Makariev , et al. · 2021

We report new results of a comprehensive study into Carboniferous – Early Permian granite magmatism of the northern Taimyr Peninsula, Russia (southern part of the Kara Terrane). U-Pb zircon ages (SHRIMP and LA–ICP–MS) represent the crystal…

New Data on Stratigraphy and Distributions of Glendonites from the Carolinefjellet Formation (Middle Aptian–Lower Albian, Cretaceous), Western Spitsbergen Open

Kseniia Mikhailova, Mikhail Rogov, Victoria Ershova, Kseniia Vasileva, B. G. Pokrovsky , et al. · 2021

The Aptian deposits on Spitsbergen Island are poorly studied. Moreover, there were no published data on fossil distribution in the Aptian and Albian in the vicinity of the town of Longyearbyen. This article provides new data on ammonite-ba…

Database of global glendonite and ikaite records throughout the Phanerozoic Open

Mikhail Rogov, Kseniia Vasileva, Kseniia Mikhailova, Victoria Ershova · 2020

Here database of Phanerozoic occurrences and isotopic characteristics of metastable cold-water calcium carbonate hexahydrate (ikaite; CaCO3•6H2O) and its pseudomorphs (glendonites) is represented. The previous version of this database incl…