Contents

Doklady Earth Sciences


Vol. 525, No. 1, 2025


GEOLOGY

The Carboniferous and Permian Granitoids from Terrigenous Sediments in the Junction Zone of the Gakkel Ridge with the Laptev Sea Continental Margin of Eurasia: Composition Affinities, Age Substantiation and Possible Sources

M. V. Luchitskaya, N. P. Chamov, Academician K. E. Degtyarev, M. A. Tkachenko, T. Yu. Tolmacheva, S. A. Sergeev, and A. A. Krylov p. 1  abstract

Research on the Identification of Some Precursory Abnormal Observations in Wuhai Area Since 2019 Based on Multifractal and Wavelet Analysis

Wang Youpeng, Li Dewen, Zheng Na, Li Xin, and Zhao Xiaolong p. 2  abstract


GEOLOGY OF ORE DEPOSITS

Lead Isotope Sign of the Mantle Material Contribution to the Formation of Tin Ore Deposits (by the Example of the Khingan-Badzhal-Komsomolsk Metallogenic Zone, the Far East)

Academician I. V. Chernyshev, A. V. Chugaev, and Academician N. S. Bortnikov p. 3  abstract


GEOCHEMISTRY

Granites of the Middle Jurassic Ariadnenskii Ultrabasite-Basite Intrusion in the Jurassic Accretionary Prism (Sikhote-Alin, Russia)

Academician A. I. Khanchuk, A. N. Golich, and V. P. Molchanov p. 4  abstract


GEOPHYSICS

Disturbance of Geophysical Fields during a Strong Earthquake in Myanmar on March 28, 2025 (M = 7.7)

Academician V. V. Adushkin, A. A. Spivak, S. A. Riabova, Yu. S. Rybnov, S. P. Soloviev, and A.V. Tikhonova p. 5  abstract

Postglacial Motions and Gravity Field Variations within the Baltic Shield

G. M. Steblov, G. E. Melnik, and V. V. Pogorelov p. 6  abstract


GEOLOGY

Age and Tectonic Setting of Volcanic Rocks of the Olov Basin in the West Transbaikal Rift System

A. M. Larin, Corresponding Member of the RAS A. B. Kotov, E. B. Salnikova, V. M. Savatenkov, A. A. Ivanova, S. D. Velikoslavinsky, T. M. Skovitina, L. Yu. Muravyova, and N. L. Alekseev p. 7  abstract


GEOCHEMISTRY

Thermal State of the Lithospheric Mantle Beneath the Birekte Terrane: Reconstructions Based on the Study of Xenocrysts from Different-Aged Kimberlites of the Yakutian Kimberlite Province

A. M. Dymshits, O. B. Oleinikov, M. G. Oshchepkova, A. L. Zemnukhov, N. A. Oparin, and N. S. Tychkov p. 8  abstract

Analysis of the Geothermal Formation Model in the Guanqiao Area, Fujian Province, China

Ming Yang, Yang Yang, and Ibrar Iqbal p. 9  abstract


MINERALOGY

Two Generations of Clinopyroxene Phenocrysts in Ultrapotassic Lavas (Lamproites) of the Quaternary Subglacial Gaussberg Volcano (East Antarctica)

N. A. Migdisova, N. M. Sushchevskaya, T. A. Shishkina, A. N. Koshlyakova, and C. A. Lorenz p. 10  abstract


SEISMOLOGY

Late Quaternary Strike-slip Rate and Holocene Paleo-earthquake Events of the Longmu Co-Dulishihu Fault (Longmu Co Segment) in the Western Tibetan Plateau

Li Jinzhao, Li Dewen, Zhang Chong, Zeng Haoxuan, Miao Gaojian, and Liu Zhenming p. 11  abstract


OCEANOLOGY

Characteristics of the Antarctic Bottom Water Transport through the Vema Fracture Zone Based on Measurements and Numerical Modeling

I. A. Potryakhaev, A. N. Demidov, D. I. Frey, and Academician S. A. Dobrolyubov p. 12  abstract


Erratum

Erratum to: The Lower Proterozoic Metasandstones of the Sakukan Formation of the Udokan Complex of the South of the Siberian Craton—A Unique Object for the Early Precambrian Paleomagnetism?

V. Yu. Vodovozov, A. P. Belyakov, N. A. Bozhko, Corresponding Member of the RAS A. B. Kotov, V. P. Kovach, E. V. Adamskaya, and T. M. Skovitina p. 13  abstract


GEOCHEMISTRY

Concentrations and Composition of Hydrocarbons in Ice and Surface Microlayer of the Barents and Kara Seas in July–August 2024

I. A. Nemirovskaya, A. V. Medvedeva, V. Yu. Kalgin, Academician S. K. Gulev, and N. V. Politova p. 14  abstract

Some Features of Evolution of Bulk Chemical Composition of Clay Rocks of the Upper Precambrian Sedimentary Groups: Example of South Urals

Corresponding Member of the RAS A. V. Maslov p. 15  abstract

Numerical Thermodynamic Model of the H2O–LiCl–CaCl2 Fluid System for a Temperature Range from –77 to +50°С

M. A. Misyura, S. A. Bushmin, and E. V. Savva p. 16  abstract


OCEANOLOGY

Azimuthal Distribution of Dominant Periods of Tsunami Waves Formed by Coseismic Bottom Displacements

T. A. Strogov, A. I. Zarubina, and M. A. Nosov p. 17  abstract


PROBLEMS OF TERRESTRIAL WATERS

What Is Going on with Intrasecular Water Level Fluctuations in Great Lakes of Eurasia?

Corresponding Member of the RAS N. N. Filatov and V. N. Malinin p. 18  abstract


GEOECOLOGY

Assessment of Zinc Content in Agroecosystems of the Central Chernozem Region of Russia

S. V. Lukin, Academician V. I. Turusov, and D. A. Kunitsin p. 19  abstract


GEOLOGY

New Data on the Age of Volcanic Rocks of Matua Island (Central Kuril Islands): K–Ar Dating Results

A. V. Degterev, V. A. Lebedev, Corresponding Member of the RAS K. S. Ganzey, P. Y. Kovtunovich, and M. V. Chibisova p. 20  abstract


GEOCHEMISTRY

Biogeochemical Processes Development under Conditions of Pollution Reduction in the Arctic Lake Imandra

Corresponding Member of the RAS T. I. Moiseenko, E. O. Liummens, and S. S. Soloveva p. 21  abstract


PETROLOGY

Early Mesozoic Volcanism of the Orkhon Depression System (Northern Mongolia) and Its Correlation with Formation of the Erdenet Cu–Mo Deposit

Academician V. V. Yarmolyuk, A. M. Kozlovsky, A. S. Novikova, E. B. Salnikova, A. A. Ivanova, A. V. Travin, Y. V. Plotkina, and Ch. Erdenezhargal p. 22  abstract


TECTONICS

Genesis and Timing of Gas Hure Lake and Implications for Interplay between Regional Tectonic Activity and Lake Basin Evolution in the Western Qaidam Basin, Northern Tibetan Plateau

Xiang Cheng, Zhaojie Guo, Xiangjiang Yu, Changhao Zhang, and Chengxiang Wan p. 23  abstract


SEISMOLOGY

Identification of Potential Crustal Earthquake Source Zones in the Republic of the Union of Myanmar: A New Methodological Approach Based on Terrain Analysis and Computer Geodynamic Modeling

A. A. Sentsov, Corresponding Member of the RAS A. L. Sobisevich, A. O. Agibalov, L. B. Slavina, and A. N. Kotov p. 24  abstract


PHYSICS OF THE ATMOSPHERE AND HYDROSPHERE

First Estimates of Greenhouse Gas Fluxes Associated with Groundwater Discharges in Permafrost of Central Yakutia

N. I. Tananaev, L. A. Krivenok, N. E. Baishev, and N. A. Pavlova p. 25  abstract