Transactions (Doklady) of the Russian Academy of Sciences/Earth Science Section, 2013, V 449, N 1, March.

 
Part 1. Geology 

Late Cambrian Ophiolites in the Southwestern Periphery 
of the Kokchetav Massif (Northern Kazakhstan): 
Structural Position, 
Composition, and Geochronology 
K. E. Degtyarev, A. A. Tretyakov, 
T. Yu. Tolmacheva, and K. N. Shatagin 
p. 265   

Upper Mantle Convection and the Mechanism of 
Formation of Geostructures
of the Arctic Region 
L. I. Lobkovskii, E. V. Shipilov, 
and M. V. Kononov 
p. 270   

Geodynamic Formation Conditions and Magmatic 
Sources of Late Cambrian Sills
and Dikes in the Daribi Range (Western Mongolia) 
D. V. Kovalenko, A. A. Mongush, 
O. A. Ageeva, and G. Eenjin 
p. 275   

Mechanisms Responsible for Degradation 
of Submarine Permafrost 
on the Eastern Arctic Shelf of Russia 
L. I. Lobkovskii, S. L. Nikiforov, 
N. E. Shakhova, I. P. Semiletov, 
N. V. Libina, R. A. Anan’ev, and 
N. N. Dmitrevskii 
p. 280   

Geology and Paleomagnetism of the Vendian 
and Lower Cambrian Deposits 
from Argun Terrane (Eastern Transbaikalia) 
D. V. Metelkin, I. V. Gordienko, 
L. I. Vetluzhskikh, and N. E. Mikhaltsov 
p. 284   

Mineral Nanostructures of Clay Rocks 
V. N. Sokolov and M. S. Chernov 
p. 290   

New Data on the Age of Neopleistocene 
Sediments in the Tunka Rift Valley 
(Southwestern Baikal Region) Derived 
from 14C Dating of Large Mammal Fossils 
A. A. Shchetnikov, A. M. Klement’ev, 
A. V. Sizov, I. A. Filinov, and E. Yu. Semenei 
p. 293   

Sr Isotope Signatures in the Vendian Khorbusuonka Group 
of the Olenek Uplift (Northeastern Siberian Platform) 
I. A. Vishnevskaya, B. B. Kochnev, E. F. Letnikova, 
V. Yu. Kiseleva, and N. I. Pisareva 
p. 298   

New Constraints for the Age of Vendian 
Glacial Deposits (Central Urals) 
A. V. Maslov, J. Meert, N. M. Levashova, 
Yu. L. Ronkin, D. V. Grazhdankin, N. B. Kuznetsov, 
M. T. Krupenin, N. M. Fedorova, and 
I. S. Ipat’eva 
p. 303   

Part 2. Geochemistry, Geophysics, Oceanology, Geography 

40Ar/39Ar-Dating of Phlogopite from Mantle Xenoliths: 
Evidence for Deep Ancient Metasomatism 
of the Siberian Craton Lithosphere 
L. N. Pokhilenko, T. A. Alifirova, 
and D. S. Yudin 
p. 309   

Holocene Sedimentary Record of Bol’shoe 
Alginskoe Lake, Western Transbaikalia: 
Connection with Paleoclimate 
E. P. Solotchina, E. V. Sklyarov, 
P. A. Solotchin, E. G. Vologina, 
O. A. Sklyarova, and N. N. Ukhova 
p. 313   

Temperature Trends in the Permafrost 
of the Northern Hemisphere: 
Comparison of Model Calculations with Observations 
M. M. Arzhanov and I. I. Mokhov 
p. 319   

Geomagnetic Disturbances in the Geomagnetic 
Field’s Variations at Stages of Preparation 
and Implementation of the Elazig 
(March 8, 2010) and M 5.3 (January 19, 2011) 
Earthquakes in Turkey 
L. E. Sobisevich, K. Kh. Kanonidi, 
A. L. Sobisevich, and O. I. Miseyuk 
p. 324   

Variation in Fracture Zone 
Rigidity by Dynamic Effects 
A. A. Spivak and V. M. Khazins 
p. 328   

Distribution of Rare-Earth 
Elements in Rocks and Ores 
of the Kruchininskoe Apatite–Titanomagnetite 
Deposit (Eastern Transbaikalia) 
B. N. Abramov 
p. 332   

Genetic Peculiarities and the First Data 
on the U–Pb Age of the Solzan Granitoid Massif, 
Khamar-Daban (Baikal Area) 
V. A. Makrygina, V. S. Antipin, E. N. Lepekhina, 
E. V. Tolmacheva, and N. V. Gorlacheva 
p. 337   

Hydroxymanganopyrochlore: A New Mineral 
from the Eifel Volcanic Region, Germany 
N. V. Chukanov, G. Blass, N. V. Zubkova, 
I. V. Pekov, D. Yu. Pushcharovskii, and 
H. Prinz 
p. 342   

Assessments of Stability of Methane 
Hydrates in the Lake Baikal System 
S. N. Denisov, M. M. Arzhanov, 
A. V. Eliseev, and I. I. Mokhov 
p. 346   

The First Data on Neoproterozoic Granitoid Magmatism 
in the Sayan Marginal Uplift of the Siberian Craton 
A. D. Nozhkin and N. V. Dmitrieva 
p. 349   

Landslides on the Eastern Slope of Sakhalin 
Island as Possible Tsunami Sources 
B. V. Baranov, L. I. Lobkovskii, E. A. Kulikov, 
A. B. Rabinovich, Y. K. Jin, and K. A. Dozorova 
p. 354   

Study of Parameters of the Middle Pleistocene 
Transition by Comparison 
of the Isotope-Oxygen Record LR04 with the 
Orbital-Climatic Diagram 
V. A. Bolshakov 
p. 358   

A Model of Ozone Variation in the 
Mesosphere Based on Measurements of Infrared Emission 
of the Atmospheric Molecular Oxygen System 
A. I. Semenov, K. V. Lipatov, V. I. Perminov, 
and N. N. Shefov 
p. 362   

Two Verified Forecasts of Catastrophic Floods 
in Ladoga Lake and the Neva Delta in 1924 
V. I. Bogdanov and T. I. Malova 
p. 366