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