Doklady Earth Sciences, 2018, V 480, N 2.

Geology

U–Pb LA–ICP–MS Age of Detrital Zircons from the 
Lower Riphean and Upper Vendian Deposits of 
the Luga–Ladoga Monocline
A. S. Ivleva, V. N. Podkovyrov, V. B. Ershova, 
V. B. Khubanov, A. K. Khudoley, S. N. Sychev, 
N. I. Vdovina and Corresponding 
Member of the RAS A. V. Maslov 
p. 695  

Chronology of Hydrothermal Activity Within 
the Yubileynoye Ore Field (Mid-Atlantic Ridge, 20°08? N)
V. Yu. Kuznetsov, E. V. Tabuns, K. A. Kuksa, 
G. A. Cherkashov, V. E. Bel’tenev, Kh. A. Arslanov, 
F. E. Maksimov, L. I. Lazareva, A. I. Zhuravleva, 
A. Yu. Petrov and V. A. Grigoriev 
p. 700  

Regularities of Hydrocarbon Distribution 
in the Deepwater Part of the West African Margin
A. Zabanbark and Corresponding Member 
of the RAS L. I. Lobkovsky 
p. 705  

Reconstructions of Paleoecological and 
Paleoclimatic Conditions of the Late 
Pleistocene and Holocene according to 
the Results of Chironomid Analysis of 
Sediments from Medvedevskoe Lake 
(Karelian Isthmus)
L. B. Nazarova, D. A. Subetto, 
L. S. Syrykh, I. M. Grekov and P. A. Leontev 
p. 710  

Shear Tectonic Fabric in the Atlantic Ocean 
and Its Relation to the Geodynamic Condition 
of the Upper Mantle and Intraplate Deformations
S. Yu. Sokolov 
p. 715  

Source Provenance and Paleogeographic 
Conditions during Deposition of Jurassic 
Continental Sediments in the Southern 
Part of the Siberian Platform 
(Implication of Sm–Nd and U–Pb Data)
E. I. Demonterova, A. V. Ivanov, 
E. A. Mikheeva, A. V. Arzhannikova, 
A. O. Frolov, S. G. Arzhannikov, 
N. V. Bryanskiy, L. A. Pavlova, 
L. Z. Reznitskii and O. V. Zarubina 
p. 720  

First Data on Formation Conditions of the 
Zhilnoye Au–Ag Epithermal Gold Deposit 
(Eastern Chukotka, Russia)
A. A. Elmanov, V. Yu. Prokofiev, 
A. V. Volkov, Corresponding Member 
of the RAS A. A. Sidorov and 
K. I. Voskresenskiy 
p. 725  

Comparison of Supercontinent Cycles 
in the Metallogeny of Rare Earth Elements
A. V. Tkachev, Academician D. V. Rundqvist 
and N. A. Vishnevskaya 
p. 730  

Geochemistry

Long-Term Geochemical Monitoring of the 
Source of the Angara River (Runoff from Lake Baikal)
V. I. Grebenshchikova, Academician M. I. Kuzmin, 
O. A. Proydakova and O. V. Zarubina 
p. 735  

Zircons in Gabbro of the Nurali Massif (Southern Ural)
A. A. Krasnobaev, P. M. Valizer, Corresponding 
Member of the RAS V. N. Anfilogov, E. V. Medvedeva 
and S. V. Busharina 
p. 741  

GEOCHEMISTRY

First Find of Ga-Bearing Minerals in Ores 
of Ural Massive Sulfide Deposits
N. P. Safina, N. R. Ayupova, E. V. Belogub, 
Corresponding Member of the RAS V. V. Maslennikov, 
I. A. Blinov, I. G. Zhukov and D. A. Artem’ev 
p. 746  

Movement Rates of Metamorphic Fronts in Rocks 
near Magmatic Intrusive Bodies
Academician V. V. Reverdatto, A. V. Babichev, 
I. I. Likhanov and O. P. Polyansky 
p. 750  

Geophysics

Geodynamic Evolution Model of the Major 
Structures of Amerasian Basin
Corresponding Member of the RAS L. I. Lobkovsky, 
I. A. Garagash and D. A. Alekseev 
p. 753  

Geography

Oxygen Isotope Composition of Holocene 
Ice Wedges of Eastern Chukotka
Yu. K. Vasil’chuk, N. A. Budantseva, 
A. C. Vasil’chuk, A. A. Maslakov 
and Ju. N. Chizhova 
p. 758  

Sources of Dissolved Organic Carbon in 
Rivers of the Yenisei River Basin
A. S. Prokushkin, O. S. Pokrovsky, M. A. Korets, 
A. V. Rubtsov, S. V. Titov, I. V. Tokareva, 
R. A. Kolosov and R. M. W. Amon 
p. 763  

Oceanology

Chukchi Sea Ice Conditions for the Last Few Centuries: 
Reconstruction from Sedimentation Records
A. S. Astakhov, Academician V. A. Akulichev, 
A. V. Dar’in, I. A. Kalugin, Yanguang Liu, 
V. V. Babich, A. A. Bosin, E. G. Vologina 
and V. V. Plotnikov 
p. 767  

Geochemistry

Sources of Ore Substance of Carbonatite Complexes 
of the Ural Fold Belt: Rb–Sr and Sm–Nd Isotope Data
I. L. Nedosekova, Academician V. A. Koroteev, 
T. B. Bayanova and B. V. Belyatsky 
p. 773  

Andradite–Morimotoite Garnets as Promising U–Pb 
Geochronometers for Dating Ultrabasic Alkaline Rocks
E. B. Salnikova, M. V. Stifeeva, A. V. Nikiforov, 
Academician V. V. Yarmolyuk, A. B. Kotov, 
I. V. Anisimova, A. M. Sugorakova and 
V. V. Vrublevskii 
p. 778  

Geophysics

Gravimagnetism: Results of Observatory Monitoring
Corresponding Member of the RAS A. L. Sobisevich 
p. 783  

Variations in Geophysical Fields during 
Hurricanes and Squalls
A. A. Spivak, Yu. S. Rybnov and V. A. Kharlamov 
p. 788  

Geography
Characterization of the Biodiversity of 
Modern Sea Ice in the North Pole Region
I. A. Melnikov 
p. 792  

Oceanology

Peculiarities of the Formation of the 
Interference Structure of Scalar-Vector 
Acoustic Fields on the Shelf of the Sea of Japan
Academician V. A. Akulichev, V. V. Bezotvetnykh, 
A. V. Burenin, E. A. Voytenko, A. A. Golov, 
Yu. N. Morgunov, D. S. Strobykin 
and A. A. Tagiltsev 
p. 796  

Paleochannels on the Northern Slope 
of the Derbent Basin, Caspian Sea
A. K. Ambrosimov and Academician 
A. P. Lisitzin 
p. 800  

Geochemistry

First Evidence of the Archean Age of Orogenic 
Gold of the Russian Part of the Karelian Craton 
(Fennoscandian Shield): Sm–Nd Mineral 
Isochron for Gold-Bearing Metasomatites 
of the Novye Peski Deposit
V. I. Ivashchenko, S. A. Bushmin, 
A. M. Ruchyev, A. S. Kornakov, E. S. Bogomolov, 
E. V. Savva, M. V. Ivanov, 
V. M. Tytyk and P. V. Frolov 
p. 804  

Signs of Hydrothermal Activity in Lunar 
Rocks according to the Data of 
a Regolith Investigation
P. M. Kartashov, A. V. Mokhov, T. A. Gornostaeva 
and Academician O. A. Bogatikov 
p. 810  

New Data on Diamond–Graphite Relationships 
in the Gneisses of the Kokchetav Massif 
(Northern Kazakhstan)
D. S. Mikhailenko, O. V. Shchepetova, 
K. A. Musiyachenko, A. V. Korsakov, 
Hiroaki Ohfuji and Corresponding Member 
of the RAS I. V. Pekov 
p. 814  

Evaluation of the Phosphorus Load on 
Freshwater Bodies of Subjects of the 
Russian Federation: Modeling of the 
Migration of Phosphorus and Its 
Compounds among Environmental Components
Corresponding Member of the RAS 
N. P. Tarasova, A. S. Makarova, 
E. G. Vasileva, P. I. Shlyakhov 
and A. A. Zanin 
p. 818  

Experimental Test of Possible Formation 
of Diamond under the Differentiation of the Earth
A. I. Chepurov, E. I. Zhimulev, V. M. Sonin, 
A. A. Tomilenko and Academician N. P. Pokhilenko 
p. 823  

Geophysics

Simulation of the Conditions for the Formation 
and Dissociation of Methane Hydrate over 
the Last 130 000 Years
M. M. Arzhanov, V. V. Malakhova and 
Academician I. I. Mokhov p. 826  

Electroconducting Elements of the Ultradeep 
Fluid–Fault Systems as Indicators of Seismically 
Active Zones of the Eastern Margin of 
the Eurasian Continent: Evidence 
from Magnetotelluric Data
V. M. Nikiforov, G. N. Shkabarnya, V. B. Kaplun, 
A. Yu. Zhukovin, I. M. Varentsov, 
N. A. Palshin, D. H. Cuong, 
N. N. Trung and D. Q. Hung 
p. 831