Contents

Doklady Earth Sciences


Vol. 505, No. 1, 2022


Geology

Heterogeneities in the Upper Part of the Section of the East Siberian Sea Sedimentary Cover: Gas Accumulations and Signs of Ice Gouging

Corresponding Member of the RAS V. I. Bogoyavlensky, A. V. Kishankov and A. G. Kazanin p. 411  abstract

Composition and Sources of Silurian Terrigenous Rocks at the Periphery of the Tekturmas Ophiolite Zone (Central Kazakhstan)

A. A. Perfilova, I. Yu. Safonova, Academician K. E. Degtyarev, I. A. Savinsky, P. D. Kotler and B. P. Khassen p. 416  abstract


Geology of Ore Deposits

Results of 40Ar/39Ar Dating of Ores of the Ermakovo F–Be Deposit, West Transbaikalia, Russia

B. B. Damdinov, L. B. Damdinova and D. S. Yudin p. 422  abstract


Geochemistry

A Hundred Years of the “Living Matter” Concept: Its Amount, Quality, and Distribution in the Ocean

Corresponding Member of the RAS A. L. Vereshchaka p. 426  abstract

Experimental Study of the Solubility of Natural Tantalite and Pyrochlore and Tantalum and Niobium Oxides in Hydrothermal Fluoride–Chloride Solutions

N. P. Kotova, V. S. Korzhinskaya and Corresponding Member of the RAS Yu. B. Shapovalov p. 431  abstract


Mineralogy

Composition, Structure, and Thermal Regime of the Lithospheric Mantle in the Area of the Highly Diamondiferous V. Grib Kimberlite Pipe, Arkhangelsk Diamondiferous Province: Data on the Chemical Composition of Garnet and Chrome-Diopside Xenocrysts

A. I. Gudimova, E. V. Agasheva, A. M. Agashev and Academician N. V. Pokhilenko p. 439  abstract


Petrology

Zircon from Intraplate Gabbroic Rocks of Western Chukotka (Anyui Plutonic Complex) and Interpretation of Its Age

G. V. Ledneva, E. P. Isaeva, Corresponding Member of the RAS S. D. Sokolov, B. A. Bazylev and A. I. Boldyreva p. 446  abstract

Age and Melt Sources of Ultramafic Dykes and Rocks of the Bolshetagninskii Alkaline Carbonatite Massif (Urik-Iya Graben, SW Margin of the Siberian Craton)

V. B. Savelyeva, Yu. V. Danilova, Academician F. A. Letnikov, E. I. Demonterova, D. S. Yudin, E. P. Bazarova, B. S. Danilov and I. S. Sharygin p. 452  abstract


Volcanology

Holocene Ash from Lacustrine Sediments of the Okhotsk Area: Distinctive Features

P. S. Minyuk, O. T. Sotskaya, V. I. Tsygankova, Corresponding Member of the RAS V. V. Akinin and S. S. Burnatny p. 459  abstract


Geodynamics

Mosaic of Deformed Tectonic Blocks in the Central Basin of the Indian Ocean

O. V. Levchenko and I. A. Veklich p. 465  abstract

Non-Uniform Crustal Subsidence due to the Infiltration of Mantle Fluids: A Case Study of the Moscow Syneclise during the Middle Devonian

E. V. Artyushkov and P. A. Chekhovich p. 471  abstract


Geophysics

Wind–Sand Flux Electrization over Desertified Areas

G. I. Gorchakov, V. M. Kopeikin, A. V. Karpov, R. A. Gushchin, O. I. Datsenko and D. V. Buntov p. 483  abstract


Seismology

Registration of Slow Deformation Waves According to GNSS Observations

V. I. Kaftan and V. N. Tatarinov p. 489  abstract


Climatic Processes

Analytical Conditions for the Formation of Arctic Amplification in the Earth’s Climate System

Academician I. I. Mokhov p. 496  abstract


Problems of Inland Waters

Self-Induced Rotation of an Ice Disk on the Surface of Water

T. O. Chaplina and A. V. Kistovich p. 501  abstract


Geoecology

Methane Content and Emission in the Typical Tundra and the Southern Tundra of the Western Russian Arctic

A. A. Vasiliev, Academician V. P. Melnikov, N. A. Zadorozhnaia, G. E. Oblogov, I. D. Streletskaya and A. S. Savvichev p. 506  abstract

Corrosion Resistance of the Nd–Ti Matrix for Actinides

Corresponding Member of the RAS S. V. Yudintsev, S. S. Danilov, A. A. Shiryaev and I. M. Melnikova p. 512  abstract