Doklady Earth Sciences, 2021, V 498, N 2.

Geology
Stages of Tectono-Magmatic Activity in the Border Zone 
of the Siberian Platform and the Tannuola–Khamsara 
Segment of the CAFB (According to the Results of U–Pb Isotope Studies)
S. I. Shkolnik, E. F. Letnikova, L. Z. Reznitskii, 
A. V. Ivanov and A. I. Proshenkin p. 451  

A New Dinosaur Fossil from the Southern Urals
A. O. Averianov, N. G. Zverkov and A. V. Nikiforov 
p. 456  

Paleomagnetism of the Ordovician and Early 
Carboniferous Geological Complexes of Tuva
D. V. Kovalenko, M. V. Buzina and Corresponding Member 
of the RAS K. V. Lobanov 
p. 459  

Identification Features of the Transition and Intermediate 
Layers in the Polygonal Peatlands in Northwestern Siberia
E. S. Koroleva, E. A. Slagoda, Academician V. P. Melnikov, 
E. A. Babkina, A. V. Khomutov, O. L. Opokina, 
M. M. Danko and Ya. V. Tikhonravova 
p. 465  

Geology of Ore Deposits

First Data on the U–Pb Isotopic Age for Zircon 
(LA-ICP-MS Method) from Leucocratic Granites of 
the Tyrnyauz Mo–W Deposit (North Caucasus, Russia)
S. G. Soloviev, S. G. Kryazhev, D. V. Semenova, 
Y. A. Kalinin and Academician N. S. Bortnikov 
p. 471  

Geochemistry

Experimental Studies of Phenakite Solubility 
in Alkaline Granitoid Melts
B. B. Damdinov, N. I. Suk, A. R. Kotelnikov, 
L. B. Damdinova and V. B. Khubanov 
p. 477  

Mineralogy

The Nature of Platinoid Minerals from Gold Placers 
of Southern Sikhote-Alin (Primorye)
V. V. Ivanov, Academician A. I. Khanchuk and L. G. Kolesova 
p. 482  

Geophysics

Wave Disturbances in the Near-Surface 
Atmosphere during Magnetic Storms
A. A. Spivak, Yu. S. Rybnov, S. A. Riabova 
and V. A. Kharlamov 
p. 487  

A Newly Determined Paleomagnetic Pole for the Late 
Ordovician in Siberia and Kinematics of the
Siberian Platform on the Time Interval of ~505–455 Ma Ago
V. E. Pavlov, A. M. Pasenko, A. V. Dronov and I. V. Fedyukin 
p. 491  

Oceanology

Features of the Formation of the Pulse Characteristics of 
Waveguides by the Long-Range Propagation of Acoustic 
Signals in Underwater Sound Channels
Academician V. A. Akulichev, A. V. Burenin, 
E. A. Voytenko, M. S. Lebedev, Yu. N. Morgunov and 
A. A. Tagiltsev 
p. 498  

Increase in Storm Activity in the Kara Sea from 1979 to 2019: 
Numerical Simulation Data
S. A. Myslenkov, V. S. Platonov, K. P. Silvestrova and 
Corresponding Member of the RAS S. A. Dobrolyubov 
p. 502  

Geography

Avalanche Hazard Assessment in Low Mountains, 
Based on the Example of the January 2021 
Norilsk Avalanche Disaster
V. A. Lobkina, Yu. V. Gensiorovskiy and A. A. Muzychenko 
p. 509  

Geoecology

Transport of Artificial Radionuclides over Long Distances 
Downstream along the Yenisei River during the 1966 Extreme Flood Event
A. Ya. Bolsunovsky, D. V. Dementyev and V. I. Vakhrushev 
p. 514  

Radioecological Status of the Soil Cover of New Moscow
A. S. Guseva, Corresponding Member of the RAS V. A. Petrov 
and S. A. Ustinov 
p. 519  

The Thermal Field around a Borehole Repository 
of Radioactive Waste
Corresponding Member of the RAS S. V. Yudintsev, 
V. I. Malkovsky and M. Yu. Kalenova 
p. 525