Doklady Earth Sciences, 2026, V 528, N 2, June.

GEOLOGY

Archean Metamorphism of Al-Rich Gneisses of the Larba 
Block in the Ilikan Zone of the 
Dzhugdzhur–Stanovoy Superterrane
A. V. Yurchenko, N. G. Rizvanova, O. L. Galankina, 
and Sh. K. Baltybaev 
p. 22  

Age of the Late Precambrian Carbonate and Volcanogenic 
Sequences of Bolshoy Karatau (Southern Kazakhstan): 
U‒Th–Pb- and Sr-isotopic Data
K. K. Kolesov, E. F. Letnikova, Academician K. E. Degtyarev, 
A. V. Ivanov, S. I. Shkolnik, and A. A. Zhdanov 
p. 23  

Late Cambrian–Tremadocian Syn- and Post-Collisional 
Igneous Complexes of the Zheltau Terrane 
(Southern Kazakhstan): Age Substantiation 
and Compositional Features
A. A. Tretyakov, Academician K. E. Degtyarev, 
M. E. Petrakova, N. A. Kanygina, and 
A. N. Zhuravlev 
p. 24  

OCEANOLOGY

Depth-Driven Decline in Succession Rate of 
Fouling Communities (the Sea of Okhotsk)
A. I. Chava and V. O. Mokievsky 
p. 25  

Anomalous Development of Coccolithophores 
in the Black Sea in 2022 According 
to the Remote Sensing Data
A. S. Grebeniuk, S. V. Vostokov, 
and I. V. Sahling 
p. 26  

GEOLOGY

Geological Structure of the Central Group of 
Islands of the Greater Kuril Ridge 
(Simushir, Rasshua, Yankicha, Ryponkicha Islands), 
Based on K–Ar Dating
A. V. Rybin, A. V. Degterev, P. Yu. Kovtunovich, 
V. A. Lebedev, Corresponding Member of the RAS 
K. S. Ganzey, and M. V. Chibisova 
p. 27  

Calculation of Paleofiltration Characteristics for 
the Host Rocks of the Tuyukan Ore Cluster 
(Irkutsk Oblast) Based on a Special Technique 
of Microstructural Analysis
I. A. Kochkin, S. A. Ustinov, Corresponding Member 
of the RAS V. A. Petrov, and A. M. Chepchugov 
p. 28  

GEOPHYSICS

The West Siberian System of Triassic Rifts: 
Was There an Ocean in West Siberia? 
(Results of Deep Structure Modeling)
N. P. Kostrov, K. S. Ivanov, 
and O. E. Pogromskaya 
p. 29  

SEISMOLOGY

The Cascading Nature of the 2025 Kamchatka 
Megathrust Earthquake According to the 
Accelerometer Data
A. A. Skorkina, A. A. Ostapchuk, D. V. Chebrov, 
and Corresponding Member of the RAS 
P. N. Shebalin 
p. 30  

CLIMATIC PROCESSES

Current and Predicted Changes in Moderate
and Heavy Snowfall in Moscow
Academician V. A. Semenov, E. A. Cherenkova, 
and A. V. Chernokulsky 
p. 31  

GEOLOGY

Timing and Tectonic and Petrogenetic Conditions 
of Paleoproterozoic Gabbro-Anorthosite 
Magmatism in the Northern Ladoga 
Region (SE of the Baltic Shield)
Corresponding Member of the RAS Yu. A. Morozov, 
M. A. Matveev, S. G. Skublov, T. B. Bayanova, 
E. L. Kunakkuzin, E. N. Terekhov, and A. I. Smulskaya 
p. 32  

GEOCHEMISTRY

Distribution of Rare Earth Elements between Minerals 
in Sediments of the Brazil Basin, Atlantic Ocean
E. D. Berezhnaya, D. A. Shadrina, A. V. Dubinin, 
and M. N. Rimskaya-Korsakova 
p. 33  

SEISMOLOGY

First Record of Seismites in the Upper Cambrian
of East Siberia (Moyero River Section)
N. A. Lykov, E. A. Zelenin, and A. V. Dronov 
p. 34  

CLIMATE PROCESSES

Identification of Climatic Parameters Limiting
the Distribution of the Tick Ixodes 
ricinus in Russia and Neighboring Countries
I. O. Popov and E. N. Popova 
p. 35  

SOIL SCIENCE

Influence of Temperature on the Viscosity of Soil Pastes
G. N. Fedotov, Corresponding Member of the RAS S. A. Shoba, 
I. V. Gorepekin, and A. I. Sukharev 
p. 36  

GEOLOGY

Ore Genesis in the Shelf Seas of the Russian Arctic 
(Barents, Kara, and Laptev Seas): New Results of 
Interdisciplinary Studies of Ferromanganese 
Nodules and Their Polymetallic Potential
L. Ye. Reykhard, N. V. Kozina, A. N. Novigatsky, 
D. P. Starodymova, A. S. Filippov, O. M. Dara, 
S. V. Pisarev, M. D. Kravchishina, N. V. Politova, 
Ph. V. Sapozhnikov, and I. M. Anisimov 
p. 37  

New Evidences of Paleoproterozoic Age of Metasedimentary 
Rocks of the Kurumkan Group of the Aldan Shield:
Results of U–Th–Pb (LA-ICP-MS) Geochronological Studies of Zircon
S. D. Velikoslavinskii, V. P. Kovach, V. V. Bortnikov, 
Corresponding Member of the RAS A. B. Kotov, E. V. Tolmacheva, 
Yu. V. Plotkina, T. M. Skovitina, N. Yu. Zagornaya, 
K.-L. Wang, and H.-Y. Lee 
p. 38  

PETROLOGY

Short Duration of Mantle Events in the Early Paleoproterozoic: 
Results of Geochronological and Petrological Studies
of Dikes in the Southeastern Part of the Fennoscandian Shield
A. V. Stepanova, M. A. Sukhanova, E. B. Salnikova, 
S. V. Egorova, N. V. Lubnina, and O. S. Sibelev 
p. 39  

New Insights into Post-Collisional Granitic Magmatism 
in Basement of the West Siberian Platform 
(According to U–Pb Zircon Dating of Granites 
from the Vostochno-Chernosorskaya 8324 Well)
S. V. Berzin, K. S. Ivanov, D. D. Korovin, 
Corresponding Member of the RAS A. V. Maslov, 
and M. V. Chervyakovskaya 
p. 40  

SEISMOLOGY

Spatial Distribution of Earthquake-induced 
Landslides in Haiyuan Loess Region
Xiaoxia Xu, Wujian Yan, Ruixin Xiao, 
Xiaofeng Liu, and Jie Hao 
p. 41