Doklady of RAS/Earth Sciences sections, 2012, V 445, N 2, August.

 Part 1. Geology  
Causes and Prime Causes of Mass Biotic
Extinctions in the Phanerozoic  
M. S. Barash 
p. 925   
Age and Tectonic Position of the Early 
Paleozoic Malyi Khingan Terrane
in the Eastern Part of the Central Asian Fold Belt  
I. V. Buchko, A. A. Sorokin, and N. M. Kudryashov 
p. 929   
East Sakhalin Island Arc Paleosystem 
of the Sea of Okhotsk Region  
V. M. Grannik 
p. 934   
Relation of Gold Mineralization on the 
Northern Flank of the Tyrnyauz Deposit
to Intrusive Complexes, Kabardino-Balkar Republic  
S. G. Parada and V. V. Stolyarov 
p. 939   
The First Findings of Ta-Nb Mineralization in Granites
on the Western Slope of the Southern Urals  
V. I. Snachev, D. E. Saveliev, A. V. Snachev, 
E. A. Bazhin, and F. R. Ardislamov 
p. 943   
Late Mesozoic Adakite Volcanism of the 
Ugan Volcanic Structure (Southeastern Margin 
of the North Asian Craton): 40Ar/39Ar 
Geochronological and Geochemical Evidence  
A. A. Sorokin, A. P. Sorokin, V. A. Ponomarchuk, 
Yu. A. Martynov, A. M. Larin, and A. V. Travin 
p. 947   
Metavolcanics of Western Kamchatka: 
First Data on the SHRIMP U-Pb Zircon Age  
Z. G. Badredinov, I. A. Tararin, B. A. Markovskii, 
B. I. Slyadnev, V. V. Akinin, 
G. N. Evseev, and E. A. Nozdrachev 
p. 951   
New Sm-Nd and Rb-Sr (ID-TIMS) Isotope Data 
for Apatite-Phlogopite Clinopyroxenites
from the Dunite 'Core' of the Konder Massif, 
Aldan Shield, Yakutia  
A. A. Efimov, Yu. L. Ronkin, K. N. Malich, 
and G. A. Lepikhina 
p. 956   
First Results of U-Pb Dating of Detrital 
Zircons from Basal Horizons of Uralides 
(Polar Urals)  
A. A. Soboleva, N. B. Kuznetsov, E. L. Miller, 
O. V. Udoratina, G. Gehrels, and T. V. Romanyuk 
p. 962   
Sources of Paleozoic Terrigenous Rocks 
from the Oldoi Terrane 
of the Central Asian Fold Belt Inferred 
from Isotopic-Geochemical (Sm-Nd)
and Geochronological (U-Pb, LA-ICPMS) Data  
A. A. Sorokin, Yu. N. Smirnova, A. B. Kotov, V. P. Kovach, 
E. B. Sal'nikova, and L. I. Popeko 
p. 969   
Pliocene-Pleisocene Uplifts of Continental Crust 
As a Consequence of Infiltration of Mantle Fluids  
E. V. Artyushkov 
p. 973   
Tectono-Geodynamic Transformations of 
the Amerasian Basin Lithosphere in the Cenozoic  
E. V. Shipilov and L. I. Lobkovskii 
p. 979   

Part 2. Geochemistry, Geophysics, Oceanology, Geography Age of Mafic Granulites from the Early Precambrian Metamorphic Complex of the Angara-Kan Terrain (Southwestern Siberian Craton): U-Pb and Lu-Hf Isotope and REE Composition of Zircon O. M. Turkina, N. G. Berezhnaya, E. N. Lepekhina, and I. N. Kapitonov p. 986 Equation of the Earth's State in the Approximation of a Multilayer Spherical Volume S. O. Gladkov and V. N. Strakhov p. 994 Development of the Steppe Zone in Southern Russia Based on the Reconstruction from the Loess-Soil Formation in the Don'Azov Region A. A. Velichko, T. D. Morozova, O. K. Borisova, S. N. Timireva, V. V. Semenov, Yu. M. Kononov, V. V. Titov, A. S. Tesakov, E. A. Konstantinov, and R. N. Kurbanov p. 999 A New Garnet Thermometer for Mantle Peridotites and Estimation of the Diamond Potential on Its Basis S. K. Simakov p. 1003 Evaluation of the Impact of Oceanic Heat Transport in the North Atlantic and Barents Sea on the Northern Hemispheric Climate V. V. Zuev, V. A. Semenov, E. A. Shelekhova, S. K. Gulev, and P. Koltermann p. 1006 Modeling of Ice Formation in the Sea of Azov with Account for the Climatic Trend in the Early Twenty-First Century G. G. Matishov, M. Yu. Gargopa, and A. L. Chikin p. 1011 Minor Elements in Unusual Olivines from High-Pressure Peridotites of the Kokchetav Massif (Northern Kazakhstan) A. Yu. Selyatitskii, V. V. Reverdatto, D. V. Kuz'min, and N. V. Sobolev p. 1015 Logging Interpretation Taking into Account Hydrodynamical and Geomechanical Processes in an Invaded Zone I. N. Yeltsov, L. A. Nazarov, L. A. Nazarova, G. V. Nesterova, and M. I. Epov p. 1021 Generation of Mantle Plumes in the Peripherals of Giant Hot Provinces on the Mantle Bottom Beneath Supercontinents V. P. Trubitsyn p. 1025 Tectonics of the Drake Passage-Scotia Sea Zone in the Southern Ocean G. B. Udintsev, N. A. Kurentsova', A. F. Beresnev, A. V. Kol'tsova, L. G. Domoratskaya, G. V. Schenke, V. G. Bakhmutov, and V. D. Solov'ev p. 1029