Doklady Earth Sciences, 2026, V 528, N 1, May.

STRATIGRAPHY

Sr-Isotope Stratigraphy and Pb–Pb Age of Carbonate 
Rocks of the Burlya Formation, the Selenga 
Group of the Western Transbaikalia
Corresponding Member of the RAS A. B. Kuznetsov, 
O. K. Kaurova, G. V. Konstantinova, O. R. Minina, 
and M. S. Scripnikov 
p. 1  

PETROLOGY

Syenite Magmatism in Chingiz-Tarbagatai Zone (Eastern Kazakhstan): 
Formation Stages and Geodynamic Settings
S. V. Khromykh, M. D. Tsareva, P. D. Kotler, 
Academician K. E. Degtyarev, and A. V. Kulikova 
p. 2  

MINERALOGY

Kinetic Parameters of the Dehydroxylation of 
Gibbsite of Two Genetic Types
Ph. P. Melnikov, N. M. Boeva, and 
Academician N. S. Bortnikov 
p. 3  

OCEANOLOGY

On the Generating Mechanism of the Atlantic 
Multidecadal Oscillation
Corresponding Member of the RAS 
A. B. Polonsky and A. B. Fedotov 
p. 4  

ATMOSPHERIC AND HYDROSPHERIC  PHYSICS

Precursors of Geomagnetic Storms Based on 
Combined Processing of Muon Hоdoscope–Neutron 
Monitor System Observations Using Neural Networks
V. G. Getmanov, K. S. Zaitsev, M. E. Dunaev, a
nd M. N. Dobrovolsky 
p. 5  

Microstructure and Absorption Capacity 
of Aerosol in Nonphotochemical Smog
G. I. Gorchakov, O. I. Datsenko, A. V. Karpov, 
and R. A. Gushchin 
p. 6  

GEOLOGY

Monzonitoides in Tuffaceous Conglomerate Boulders of 
the Otukdash Formation of the Ordovician 
Sistigkhem Trough (Tuva)
D. D. Bulgakova, A. V. Ivanov, E. F. Letnikova, 
and Corresponding Member of the RAS A. E. Izokh 
p. 7  

GEOCHEMISTRY

Wolframite Solubility in Aluminosilicate Melt 
(Experimental Investigation)
N. I. Suk, A. R. Kotelnikov, and Academician 
N. S. Bortnikov 
p. 8  

SEISMOLOGY

Possible Explanation for the Large Difference in 
Recurrence Periods of Megathrust Earthquakes in 
Kamchatka on July 29, 2025 and in Japan on 
March 11, 2011
Academician L. I. Lobkovsky, Corresponding Member 
of the RAS P. N. Shebalin, I. A. Garagash,
and I. S. Vladimirova 
p. 9  

OCEANOLOGY

Drop Effect on the Air Flow Structure in the 
Surface Boundary Layer of the Atmosphere 
during a Hurricane
Yu. I. Troitskaya, A. N. Zotova, and 
D. A. Sergeev 
p. 10  

SOIL SCIENCE

The Universal Digital Model of Russian Soil Cover
Academician A. L. Ivanov, Academician I. Yu. Savin, 
M. I. Gerasimova, A. V. Zhogolev, T. V. Ananko, 
N. V. Savitskaya, D. A. Zhulidova, K. S. Orlova, 
and N. S. Sobolev 
p. 11  

PETROLOGY

Sections of Mantle Columns and Features of Metasomatic 
Transformations of the Lithospheric Mantle Beneath 
the Komsomolskaya-Magnitnaya and Deimos Kimberlite 
Pipes (Upper Muna Kimberlite Field) Based on 
Garnet Composition Studies
I. V. Yakovlev, V. G. Malkovets, A. A. Gibsher, 
M. V. Milaushkin, A. M. Dymshits, and A. L. Ragozin 
p. 12  

New Data on the Age of Paleozoic Granitic Magmatism 
in the Greater Caucasus Based on U–Pb Zircon Age Estimates
V. A. Kamzolkin, A. V. Latyshev, V. B. Khubanov, 
A. V. Chistyakova, M. Y. Shur, R. V. Veselovskiy, 
A. M. Khubanova, A. A. Kruglova, I. A. Nesterova, 
and Y. P. Vidjapin 
p. 13  

MINERALOGY

Seidite-(Ce): New Structure Model, Refinement of the 
Formula, and the Problem of Polytypism
T. L. Panikorovskii, V. N. Yakovenchuk, 
Academician S. V. Krivovichev, and S. N. Volkov 
p. 14  

CLIMATIC PROCESSES

Mineralogical Indicators of Climate Changes in the 
Late Holocene Sedimentary Record of Lake Shira (Khakassia)
P. A. Solotchin, E. P. Solotchina, Corresponding 
Member of the RAS E. V. Sklyarov, A. N. Zhdanova, 
E. V. Bezrukova, A. A. Shchetnikov, I. V. Danilenko, 
and D. D. Lisitsyna 
p. 15  

GEOECOLOGY

Results of Study of Hydrocarbons in Bottom 
Sediments of the Black Sea Coastal Area 
after an Accidental Fuel Oil Spill
I. A. Nemirovskaya, V. A. Naumova, 
Corresponding Member of the RAS P. O. Zavialov, 
and G. A. Kolyuchkina 
p. 16  

STRATIGRAPHY

First Records of Dinoflagellate Cysts from the 
Jurassic of the Southwestern Spurs of the Gissar Range
G. N. Aleksandrova, A. V. Lidskaya, A. E. Masloboeva, 
O. A. Karshiev, G. G. Dzhalilov, and V. B. Ershova 
p. 17  

GEOLOGY OF ORE DEPOSITS

Forms of Strategic Metals Occurrence in the 
Briketno-Zheltukhinskoe U–Mo–Re Deposit and an 
Effective Method for Their Extraction
P. E. Kailachakov, P. E. Belousov, 
Corresponding Member of the RAS I. V. Vikentyev, 
O. A. Doynikova, B. V. Pokidko, and 
Corresponding Member of the RAS V. A. Petrov 
p. 18  

GEOCHEMISTRY

Experimental Study of the Solubility of Niobium 
Oxide and Pyrochlore in Fluoride Solutions 
at 300‒550°C, 50 and 100 MPa
N. P. Kotova, V. S. Korzhinskaya, 
Corresponding Member of the RAS Yu. B. Shapovalov, 
and Academician L. Ya. Aranovich 
p. 19  

MINERALOGY

Refinement of the Crystal Structure of 
Argentotetrahedrite: A New S(3) Site 
in Octahedral Cluster [Ag, Cu]6
N. G. Lyubimtseva, G. V. Shilov, D. V. Korchagin, 
S. E. Borisovskiy, A. N. Utenyshev, 
Academician S. M. Aldoshin, and 
Academician N. S. Bortnikov 
p. 20  

Jewelry Demantoid (Andradite) and Its Host 
Serpentinites of the Middle Urals Ultramafic Massifs
A. B. Makeyev, E. N. Terekhov, Corresponding Member
 of the RAS N. B. Kuznetsov, M. V. Stifeeva, 
E. B. Salnikova, S. E. Borisovsky, L. A. Ivanova, 
and O. I. Okina 
p. 21