Doklady Earth Sciences, 2020, V 491, N. 1.

Geology

Age and Structure of a Fragment of the Early Cambrian Ophiolite
Sequence (North Balkhash Zone, Central Kazakhstan)
Academician K. E. Degtyarev, A. S. Yakubchuk, M. V. Luchitskaya 
and A. A. Tretyakov 
p. 111  

Late Jurassic (151–147 Ma) Dike Magmatism of the Northeastern
Margin of the Siberian Craton
V. Yu. Fridovsky, K. Yu. Yakovleva, A. E. Vernikovskaya, 
Academician V. A. Vernikovsky, N. V. Rodionov and 
K. I. Lokhov 
p. 117  

New Paleomagnetic Data on the Devonian–Early Carboniferous Strata in Tuva
D. V. Kovalenko, M. V. Buzina and Corresponding 
Member of the RAS K. V. Lobanov 
p. 121  

Dikes of Quartz Porphyry and Their Role in the Formation 
of the Salmi Batholith (South Karelia)
A. A. Konyshev, M. O. Anosova, A. A. Rusak, I. A. Alekseev, 
A. I. Yakushev and Corresponding Member of the RAS Y. B. Shapovalov 
p. 127  

New Data on the Structure of the Megatransform System of the 
Doldrums (Central Atlantic)
S. G. Skolotnev, A. Sanfilippo, A. A. Peyve, F. Muccini, S. Yu. Sokolov, 
C. Sani, K. O. Dobroliubova, C. Ferrando, N. P. Chamov, A. N. Pertsev, 
A. S. Gryaznova, K. N. Sholukhov and A. S. Bich 
p. 131  

First Data on the Age of Metamorphic Schists from the 
Taz Peninsula (Arctic, Western Siberia)
K. S. Ivanov, Academician V. A. Koroteev, Yu. V. Erokhin,
V. S. Ponomarev and A. V. Travin 
p. 135  

Mineralogy

Discovery of HgS in the Lunar Regolith from Apollo-17 Samples
A. P. Rybchuk, A. V. Mokhov, T. A. Gornostaeva, P. M. Kartashov 
and Academician O. A. Bogatikov 
p. 139  

The First Find of Fluorcalciobritholite and Fluorbritholite-(Ce) 
Minerals in Gabbroids
Yu. V. Erokhin, Academician V. A. Koroteev, K. S. Ivanov, 
V. V. Khiller and N. N. Farrakhova 
p. 142  

Geochemistry

A New Approach to ID-TIMS U–Pb Dating of Cassiterite
by the Example of the Pitkäranta Tin Deposit
N. G. Rizvanova and Corresponding Member of 
the RAS A. B. Kuznetsov 
p. 146  

Sodium Silicates at the Boundary between the Transition 
Zone and the Lower Mantle: Compositional and Structural Patterns
E. A. Matrosova, A. V. Bobrov, A. P. Tamarova, L. Bindi, 
Academician D. Yu. Pushcharovsky and T. Irifune 
p. 150  

Geophysics

Geophysical Effects of the November 26, 2019, Earthquake in Albania
A. A. Spivak, S. A. Riabova, Y. S. Rybnov and V. A. Kharlamov 
p. 155  

Contourite Drifts in the Tartar Strait, Sea of Japan
B. V. Baranov, Academician L. I. Lobkovsky, D. D. Rukavishnikova 
and K. A. Dozorova 
p. 160  


Seismology

Examples of Simultaneous Appearance of Deformations of the 
Earth’s Crust with Hour-long Period and Earthquakes
Corresponding Member of the RAS G. A. Sobolev 
p. 164  


Geography

Lipid Biomarkers of Bottom Sediments in Gusinoe Lake 
(Lake Baikal Basin) as Indicators for Lake Sedimentogenesis Paleoreconstruction
E. Ts. Pintaeva, L. D. Radnaeva, E. P. Nikitina, V. G. Shiretorova 
and Academician A. K. Tulokhonov 
p. 168  

Geoecology

Polycyclic Aromatic Hydrocarbons in Urban Soils Sealed under Asphalt Concrete
E. M. Nikiforova, Academician N. S. Kasimov and N. E. Kosheleva 
p. 171  

Wave Dynamics of River Water Quality
O. M. Rozental and Dzh. A. Tambieva 
p. 175  

Geocryology

Seasonal Thawing Local Changes Indicators for UAV-Based Cryolithozone Mapping
E. S. Koroleva, R. R. Khairullin, E. A. Babkina, E. A. Slagoda, A. V. Khomutov, 
Academician V. P. Melnikov, E. M. Babkin and Ya. V. Tikhonravova 
p. 179  

Oceanology

Opto-Acoustic Effects by Laser Breakdown of Seawater in an Ultrasonic Field
A. V. Bulanov and E. V. Sosedko 
p. 183  

Freak Waves in 2011–2018
E. G. Didenkulova and E. N. Pelinovsky 
p. 187