Doklady Earth Sciences, 2020, V 495, N 2.

Geology

The Oldest Vendian (Ediacaran) Fossils of Eurasia: 
U–Pb Isotope Age of the Basa Formation 
(Asha Group, Southern Urals)
A. A. Razumovskiy, I. A. Novikov, A. V. Ryazantsev, 
S. V. Rud’ko, N. B. Kuznetsov and Yu. V. Yashunskiy 
p. 867  

First Data on the Age (U–Pb, SHRIMP-II) and Composition 
of Zircon from the Unique Yarega Oil–Titanium Deposit, 
South Timan
A. O. Krasotkina, S. G. Skublov, Corresponding Member 
of the RAS A. B. Kuznetsov, A. B. Makeyev, 
B. Yu. Astafjev and O. A. Voinova 
p. 872  

A New Approach to Estimation of the Rheological 
Properties of Seafloor Sediments during the 
Sampling Process
Corresponding Member of the RAS S. A. Tikhotskiy, 
N. V. Dubinya and V. A. Nachev 
p. 880  

Geochemistry

Ultrapotassic Rock from the Tomtor Complex of 
Ultrabasic Alkaline Rocks and Carbonatites (Arctic Siberia)
Academician N. L. Dobretsov, E. V. Lazareva, 
S. M. Zhmodik, V. A. Ponomarchuk, A. V. Travin, 
I. N. Myagkaya, A. V. Tolstov and N. S. Karmanov 
p. 884  

Geochemical Characteristics and Genesis Analysis 
of Deju Basalt in Midu County, Western Yunnan
Zhao Ya-Nan, Xiao Qian-Ru, Li Hong-Xiao and 
Xiao Yuan-Fu 
p. 888  

Mineralogy

Banded and Rhythmically Zoned Carbonate Veins
of the Ag–Pb–Zn Prognoz Depozit (Sakha–Yakutia, Russia)
: A Result of Self-Organizing Processes
E. Yu. Anikina and Academician N. S. Bortnikov 
p. 894  

Geophysics

Unprecedented Ozone Depletion in the Arctic
Stratosphere during Winter–Spring of 2020
Corresponding Member of the RAS V. V. Zuev, 
E. S. Savelieva and A. V. Pavlinskiy 
p. 901  

Temperature Distribution in the Earth’s Mantle
A. P. Trubitsyn and Corresponding Member 
of the RAS V. P. Trubitsyn 
p. 905  

Some Challenges of Short-Term Earthquake 
Forecasting and Possible Solutions
Academician V. G. Bondur, M. B. Gokhberg, 
I. A. Garagash and D. A. Alekseev 
p. 910  

Interpretation of Gravity Data Measured by Topography
Corresponding Member of the RAS P. S. Martyshko, 
D. D. Byzov and A. I. Chernoskutov 
p. 914  

Reliable Determination of Paleointensity in 
Igneous Rocks Bearing Thermochemical Remanent Magnetization
V. P. Shcherbakov, N. K. Sycheva and N. A. Afinogenova 
p. 918  

Satellite Monitoring of Wildfires and Emissions into 
the Atmosphere of Combustion Products in Russia: 
Relation to Atmospheric Blockings
Academician I. I. Mokhov, Academician V. G. Bondur, 
S. A. Sitnov and O. S. Voronova 
p. 921