Contents

Moscow University Geology Bulletin

Vol. 81, No. 3, 2026

Deep-Water Sedimentary Systems of the Black Sea Continental Rise

O. A. Khlebnikova, A. M. Nikishin, and H. W. Posamentier p. 325  abstract

The Structure of Subdivisions as One of the Controversial Problems of Quaternary Stratigraphy

Yu. B. Gladenkov and A. Yu. Gladenkov p. 333  abstract

Rift-Related Shoshonites of the East-Magnitogorsk Paleoisland Arc (South Urals). Article 1. Geological and Petrochemical Characteristic

T. N. Surin, V. M. Moseychuk, and A. V. Tevelev p. 338  abstract

Assessment of Groundwater Recharge in the Plain Crimea under Modern and Predicted Climatic Conditions

S. O. Grinevskiy, I. A. Chiganov, and S. P. Pozdnyakov p. 349  abstract

The Influence of Sedimentation Conditions and Post-Sedimentation Processes on the Heterogeneity of the Reservoir Properties of the Botuobinsky Horizon in the Southeastern Part of the Srednebotuobinskoye Field (Eastern Siberia)

D. O. Smirnova, R. S. Sautkin, M. E. Voronin, V. V. Chupakhina, A. V. Mordasova, A. A. Vereshchagin, and E. S. Isaev p. 359  abstract

Approaches to Reconstructing the Original Characteristics of Source Rocks

M. A. Bolshakova, G. A. Shevchenko, and M. T. Delengov p. 371  abstract

Organic Matter of Oil Shales in the Volga Basin

P. G. Zotova, M. A. Bolshakova, E. Yu. Makarova, N. V. Pronina, A. P. Vaitekhovich, R. A. Khamidullin, and V. S. Ilyasov p. 383  abstract

Experimental Modeling of Artificial Geochemical Barriers: Some Problems and Their Solutions

A. V. Savenko and V. S. Savenko p. 396  abstract

Geological Patterns of the Dyappe Deposit (Khabarovsk Krai) and Probabilities of an Integrated Approach to the Development

M. V. Kuznetsov and M. A. Boguslavskii p. 406  abstract

Geochemical Data Quality Control as a Tool for Improving the Interpretation of Formation-Water Chemistry in the Achimov Formation of Northern West Siberia

E. S. Kazak, A. S. Semanova, and N. V. Morozov p. 414  abstract

Composition and Structure of the Speleothem from Vorontsovskaya Cave (Krasnodar Region) and Its Potential for Paleoclimatic and Paleomagnetic Studies

A. E. Masloboeva, V. B. Ershova, K. Yu. Vasileva, D. A. Gavriushkin, and R. V. Veselovskiy p. 424  abstract

Lamprophyre Types of the Zirabulak Intrusive (West Uzbekistan)

Kh. D. Ishbaev, A. Kh. Shukurov, V. I. Starostin, A. A. Samsonov, and E. A. Utamuradov p. 432  abstract

Distribution of Glacial Deposits on the Southern Flank of the Central Kara Uplift Revealed by High-Resolution Seismic Profiling: Results of the TTR-21 and TTR-23 Cruises

A. K. Simonova, A. S. Pirogova, G. G. Akhmanov, M. Yu. Tokarev, and A. E. Rybalko p. 451  abstract

Detrital Zircon of the Lower Cretaceous Egilknyveem Formation of West Chukotka and Provenance of Terrigenous Material during Collision of the Chukotka Terrane and Eurasia

G. S. Kolotygin, A. V. Chistyakova, and P. L. Tikhomirov p. 461  abstract

Commentary on the Article: Silantiev V.V., Kulikova A.V., Novikov I.V., et al. The Age of the Tetrapod Fauna “Mastodonsaurus” (Middle Triassic) of the East European Platform: First U-Pb LA-ICPMS Radioisotopic Dating Results. Article 2. Datings and Model of Sedimentation (Moscow Univ. Geol. Bull. 2025; 3)

Yu. A. Kostitsyn p. 476  abstract

Reply to the Commentary on the Paper “The Age of the Tetrapod Fauna “Mastodonsaurus” (Middle Triassic) of the East European Platform: First U-Pb LA-ICPMS Radioisotopic Dating Results. Article 2. Datings and Model of Sedimentation” (Moscow Univ. Geol. Bull. 2025; 3)

V. V. Silantiev p. 479  abstract

Polymetallic Masses Exploration, Using Magnetic and Gravity Geophysical Methods in the Shotul Area, Panjshir–Afghanistan

Dostmohammad Afzaly, Hamidullah Waizy, Zakeria Shnizai, and Abdul Rashid Iqbal p. 481  abstract