Doklady Earth Sciences, 2021, V 497, N 1.

Geology

Geological and Geophysical Studies of the 
Charlie Gibbs Fracture Zone (North Atlantic)
S. G. Skolotnev, A. Sanfilippo, A. A. Peyve, 
Y. Nestola, S. Yu. Sokolov, L. Petracchini, 
K. O. Dobrolybova, V. Basch, A. N. Pertsev, 
C. Ferrando, A. N. Ivanenko, C. Sani, A. A. Razumovskii, 
F. Muccini, A. S. Bich, C. Palmiotto, Y. V. Brusilovsky, 
E. Bonatti, K. N. Sholukhov, M. Cuffaro, 
I. A. Veklich, M. Ligi and V. N. Dobrolybov 
p. 191  

Age of Ore-Bearing Rocks at Devonian 
Fe–Mn Deposits, Central Kazakhstan
S. I. Shkolnik, E. F. Letnikova, A. I. Brusnitsyn, 
E. N. Lepekhina, A. V. Ivanov and E. N. Perova 
p. 195  

Lithology

Particle Fluxes in Hydrothermal Vent Fields
of the Southern Part of the Mohns Ridge
A. A. Klyuvitkin, M. D. Kravchishina and 
A. G. Boev 
p. 200  

Geochemistry

Phase Relations in the Fe–S–C System at P = 0.5 GPa, 
T = 1100–1250°C: Fe–S–C Liquation and Its Role in 
the Formation of Magmatic Sulfide Deposits
N. S. Gorbachev, Corresponding Member of the RAS 
Yu. B. Shapovalov, A. V. Kostyuk, P. N. Gorbachev, 
A. N. Nekrasov and D. M. Soultanov 
p. 206  

Prokaryotes as a Source of Petroleum Hydrocarbons
A. A. Yusupova, M. V. Giruts and G. N. Gordadze 
p. 211  

First Data on the Distribution of Rare-Earth 
Elements in Ferromanganese Deposits of the Laptev Sea
O. N. Kolesnik, A. N. Kolesnik, Xiangwen Ren, 
A. A. Karabtsov, A. S. Astakhov and Xuefa Shi 
p. 217  

Mineralogy

Nature of Native Gold in Ferromanganese 
Crusts on the Seafloor of the Northwestern Pacific Ocean
V. V. Ivanov, Academician A. I. Khanchuk and 
P. E. Mikhailik 
p. 223  

Formation of Polycrystalline Graphite Aggregates in 
High-Pressure Metamorphic Rocks from the 
Kokchetav Massif, Northern Kazkhstan
D. S. Mikhailenko, A. V. Korsakov, Hiroaki Ohfuji, 
O. V. Rezvukhina and Corresponding Member 
of the RAS I. V. Pekov 
p. 227  

New Findings of Diamonds and Diamond Indicator 
Minerals in the Middle Timan and Prospects 
of the Search for Their Original Sources
A. M. Pystin, Yu. V. Glukhov and A. A. Bushenev 
p. 232  

Petrology

Early Neoproterozoic (ca. 850 Ma) Bimodal Volcanic
Series in the Talas Range of the North Tianshan: 
Indications of the Earliest Stages of the 
Continental Breakup of Rodinia
A. K. Khudoley, D. V. Alexeiev, A. V. Ryazantsev 
and E. O. Petrov 
p. 237  

Geophysics

The Strong Earthquake in Sakhalin Island
in September 13, 2020
A. V. Konovalov, Academician A. I. Khanchuk, 
A. A. Stepnov and Yu. A. Stepnova 
p. 242  

Variations of Electrical Characteristics of 
the Surface Atmosphere during Magnetic Storms
S. A. Riabova and A. A. Spivak 
p. 246  

Numerical Simulation of Seismic Wave 
Propagation in Coastal Zones
Corresponding Member of the RAS I. B. Petrov 
and A. V. Favorskaya 
p. 252  

Oceanology

Space Study of a Red Tide-Related Environmental
Disaster near Kamchatka Peninsula in 
September–October 2020
Academician V. G. Bondur, V. V. Zamshin 
and O. I. Chvertkova 
p. 255  

Anomalous Phenomena in the Development of 
Phytoplankton in the Black Sea on the 
Basis of Remote Sensing Data
A. S. Vostokova, Academician L. I. Lobkovskiy 
and S. V. Vostokov 
p. 261  

Geoecology

Carbon Calculators as a Tool for Assessing 
Greenhouse Gas Emissions from Livestock
O. E. Sukhoveeva p. 266