Explanipedia

Jurassic and Cretaceous Glendonites of the Novoyakimovskaya-1 Borehole (Western Taimyr): Age, Morphology, Depositional Settings and Alterations of Mineral Composition Open

Mikhail Rogov, Kseniia Vasileva, K. Yu. Olenova, В. А. Захаров, А. П. Ипполитов , et al. · 2025

According to biostratigraphic data, Bathonian and Callovian (Malyshevka and Tochinskoe Formations), Oxfordian (Sigovoe Formation), Volgian and Ryazanian (Yanov Stan Formation), Valanginian and Hauterivian (Sukhaya Dudinka Formation) stages…

Triassic-Jurassic Boundary in the Anabar Bay Section (Northern Yakutia) Open

О. А. Лутиков, E. S. Sobolev, Mikhail Rogov, Nataly V. Ilyina, Г. Н. Александрова · 2024

The section of Cape Airkat on the western shore of the Anabar Bay has been a reference section for the study of the Triassic and Jurassic in the Anabar region, but its subdivision is still a subject of controversy. A detailed lithological …

The Silent VOICE—Searching for Geochemical Markers to Track the Impact of Late Jurassic Rift Tectonics Open

Jennifer M. Galloway, Thomas Hadlari, Keith Dewing, T P Poulton, Stephen E. Grasby , et al. · 2024

A causal mechanism for the Volgian Isotopic Carbon Excursion (VOICE) remains enigmatic. Elemental geochemical profiles of the Deer Bay Formation, Sverdrup Basin, Arctic Canada that record the VOICE and contemporaneous strata are herein exa…

Protecting stable biological nomenclatural systems enables universal communication: A collective international appeal Open

Pedro Jiménez‐Mejías, Saúl Manzano, Vinita Gowda, Frank‐Thorsten Krell, Mei-Ying Lin , et al. · 2024

The fundamental value of universal nomenclatural systems in biology is that they enable unambiguous scientific communication. However, the stability of these systems is threatened by recent discussions asking for a fairer nomenclature, rai…

Geological studies of natural bitumen occurences in sedimentary and intrusive rocks of the Mesozoic age on the Franz Joseph Land archipelago during the research expedition in 2022 Open

O. V. Bogoyavlenskaya, N.A. Malishev, O.S. Makhova, D.K. Komissarov, V. E. Verzhbitsky , et al. · 2023

The paper presents information on geological studies on the islands of the Franz Josef Land archipelago (FJL) in the Arctic Ocean as part of comprehensive scientific expedition on board of the Mikhail Somov research ship in August 2022, an…

Comment on egusphere-2023-1651 Open

Mikhail Rogov · 2023

Abstract. The International Ocean Discovery Program (IODP) Expedition 396 to the mid-Norwegian margin recovered >1300 m of pristinely preserved, volcanic ash-rich sediments deposited during the late Paleocene and early Eoc…

A First Record of Lower Jurassic (Toarcian) Coleoid Jaws in Siberia Open

Mikhail Rogov, Aleksandr A. Mironenko, А. П. Ипполитов, О. А. Лутиков · 2023

In the present paper, we describe several coleoid jaws discovered in the lower Toarcian black shales, cropping out along the Vilyui River (Yakutia, Russia). This is the first record of a Lower Jurassic coleoid jaw outside Europe and the fi…

Multiproxy constraints on recovery processes during the hyperthermal Toarcian Oceanic Anoxic Event Open

Alicia Fantasia, Thierry Adatte, Jorge E. Spangenberg, Emanuela Mattioli, Marcel Regelous , et al. · 2023

Extreme and rapid climatic and environmental perturbations have punctuated Earth history. The causes and consequences of these past global-change events are relatively well constrained, but how the system can naturally recover through feed…

Palaeoenvironmental records across the early Toarcian hyperthermal event: From onset to recovery Open

Alicia Fantasia, Thierry Adatte, Jorge E. Spangenberg, Emanuela Mattioli, Marcel Regelous , et al. · 2023

Tephrostratigraphy of Jurassic-Cretaceous boundary beds of Western Siberia Open

И. В. Панченко, Mikhail Rogov, Ivan Sobolev, Anton Latyshev, В. А. Захаров · 2022

The age of tuffaceous interlayers, represented by tuffs and tuffites, which are common in the Upper Jurassic-Lower Cretaceous deposits of Western Siberia (the Bazhenovo, Tutleim and Frolov Formations), is discussed. The nature of these int…

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…

First quantitative constraints on the Pliensbachian-Toarcian warming in polar regions Open

Thomas Letulle, Guillaume Suan, Mikhail Rogov, Mathieu Daëron, Arnauld Vinçon‐Laugier , et al. · 2022

One of the most dramatic warming episodes of the Mesozoic occurred near the Pliensbachian-Toarcian transition (Early Jurassic). The occurrence of abundant exotic clasts and glendonites in marine strata of Siberia suggests cold con…

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…

Catalog of Upper Jurassic - Lower Cretaceous tuffs and tuffites findings in the core of wells in Western Siberia Open

И. В. Панченко, Mikhail Rogov, Ivan Sobolev, Anton Latyshev, В. А. Захаров · 2022

Ryazanian (Berriasian) molluscs and biostratigraphy of the Dutch and Norwegian North Sea area (south of Viking Graben) Open

Nico Janssen, Mikhail Rogov, В. А. Захаров · 2022

Herein, Ryazanian (Berriasian) macrofossils from three well cores in the Central Graben (wells B18-02, L06-02, The Netherlands) and on the Jæren High (well 7/7-2, Norway) in the southern North Sea region are described. Macrofossils are mai…

Comment on cp-2021-79 Open

Thomas Letulle, Guillaume Suan, Mathieu Daëron, Mikhail Rogov, Christophe Lécuyer , et al. · 2021

Abstract. Periods of high atmospheric CO₂ levels during the Cretaceous–early Paleogene (∼ 140 to 34 Myr ago) were marked by very high polar temperatures and reduced latitud…

New data about Upper Jurassic formations of the Ulyanovsk-Saratov through and the northern part of the Peri-Сaspian Syneclise Open

Mikhail Rogov · 2021

A detailed description of the Upper Jurassic formations of the south of the European part of Russia, mainly restricted by the Kimmeridgian and Volgian stages, is given. The characteristic of the reference section is provided for the Vechku…

Clumped isotope evidence for polar warmth and reduced salinity during the Early Jurassic Open

Thomas Letulle, Guillaume Suan, Mikhail Rogov, Mathieu Daëron, Arnauld Vinçon‐Laugier , et al. · 2021

Greenhouse climates are periods characterized by high atmospheric CO2 levels and the absence of large continental icecaps, conditions that define most of the Phanerozoic eon. Fossil record and pr…

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…

Biostratigraphy of Upper Jurassic of the Valy clay pit (Samarskaya Luka) by ammonites, ostracods and dinocysts Open

Mikhail Rogov, Julia N. Savelieva, O. V. Shurekova · 2021

The results of integrate biostratigraphic study of Upper Jurassic deposits of the clay pit near the village of Valy (Syzran district, Samara region) are presented. For the first time a bed-by-bed description was made and the subdivision of…

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