Contents

Moscow University Geology Bulletin

Vol. 81, No. 2, 2026

The Geological History of the Arctic Ocean in the Mesozoic and Cenozoic

A. M. Nikishin, K. F. Aleshina, E. A. Rodina, V. E. Verzhbitsky, N. A. Malyshev, E. I. Petrov, H. W. Posamentier, V. Yu. Tatarinov, G. R. Foulger, A. A. Chernykh, and E. R. Chizhova p. 169  abstract

Giant Ammonites from the Cenomanian Deposits of Southwestern Crimea

E. Yu. Baraboshkin p. 184  abstract

Turonian–Coniacian Geological Evolution of the Voronezh Anteclise Based on Lithological and Geochemical Data

R. R. Gabdullin, L. F. Kopaevich, N. V. Badulina, and K. V. Syromyatnikov p. 190  abstract

On the Biostratigraphic Subdivision of the Turonian–Coniacian Deposits of the Eastern Peri-Tethys

L. F. Kopaevich, S. I. Bordunov, E. V. Yakovishina, R. R. Gabdullin, and M. R. Latypova p. 196  abstract

The Oil-Bearing Potential of the Permian Deposits of the Yuryuzan–Sylva Depression of the Cis-Uralian Foredeep

P. P. Popov, M. A. Bolshakova, N. V. Pronina, and I. S. Khopta p. 203  abstract

Isotopic Characteristics (δ17O, δ18O, and δD) of Liquid and Clay-Bound Water Fraction of Mud Volcanoes of the Southern Part of the West Kuban Trough

N. A. Kharitonova, G. A. Chelnokov, E. S. Kazak, A. V. Aseeva, A. V. Ermakov, A. A. Karabtsov, and V. Yu. Lavrushin p. 218  abstract

Attribute-Based Analysis of GPR Ray-Based Tomography Data for Tree Trunks Screening

M. S. Sudakova, E. B. Terentyeva, and I. A. Seregin p. 232  abstract

Lithological and Geochemical Zonation of Seafloor Sediments of the Southeastern Part of the East Siberian Sea

K. V. Syromyatnikov, M. A. Levitan, A. S. Ulyantsev, and R. R. Gabdullin p. 243  abstract

Gold–Bismuth Telluride Mineralization at Losikha Prospect, Western Chukchi Peninsula

E. A. Vlasov, Y. N. Nikolaev, I. A. Baksheev, I. V. Balykova, S. V. Kuzin, and M. F. Vigasina p. 257  abstract

Cadmium Adsorption on Talc (Kinetics and Equilibrium)

O. N. Karaseva, D. A. Khanin, and L. Z. Lakshtanov p. 262  abstract

Peculiarities of Ecological-Geological Systems of Defense-Industrial Complexes in Russia

V. T. Trofimov and M. A. Kharkina p. 268  abstract

Transformation of Ecological–Geological Systems of Man-Made Ground Masses in the Moscow Region Coal Basin

T. A. Baraboshkina, V. T. Trofimov, and S. K. Nikolaeva p. 279  abstract

Comprehensive Assessment of the Quality of Spring Waters in the Shchelkovo District (Moscow Region)

D. S. Gusarova, D. A. Yablonskaya, O. R. Filatova, O. A. Lipatnikova, and T. N. Lubkova p. 289  abstract

Work Strategy and Risk Minimization in Geothermal Prospecting and Exploration (a Case Study of the Mutnovsky Hydrothermal Field)

B. V. Georgievskiy, Ya. O. Simakov, A. T. Khamitov, O. S. Anisimovich, A. A. Akhmetgaraeva, K. A. Sitar, and E. I. Baranovskaya p. 303  abstract

Problems in the Study and Classification of Mineral Resources of the Technogenic Formations

A. A. Samsonov, D. M. Korshunov, and V. I. Starostin p. 315  abstract