Geochemistry International, 2006, V 44, N 8, August.

Geochemical Balance of Ca and Mg during Sedimentation. 
Part 1. Balance of Fluxes in the Geochemical 
Cycle of Ca, Mg, and CO2 
A. A. Yaroshevsky 
p. 741    

Melt Evolution during the Crystallization of 
Basanites of the Tergesh Pipe, 
Northern Minusinsk Depression 
T. Yu. Timina, V. V. Sharygin, and A. V. Golovin 
p. 752  
  
Kimberlites and Related Rocks of the Arkhangel'sk 
Diamondiferous Province and Adjacent Areas: 
A Comparative Petrogeochemical Analysis 
A. V. Lapin and E. M. Verichev 
p. 771  
  
Late Mesozoic Collisional Granitoids of the 
Upper Amur Area: New Geochemical Data 
V. E. Strikha 
p. 791  

Hydroextrusion as a Possible Mechanism 
for the Ascent of Diapirs, 
Domes, and Mantle Plumes 
V. N. Anfilogov and Yu. V. Khachai 
p. 808  

Mineralogical and Geochemical Characteristics
and Predicted Reserves of Gold-Base Metal Ore 
Mineralization in Southern Armenia and Northwestern Iran 
A. A. Matveev, E. M. Spiridonov, S. V. Grigoryan,
S. Kh. Tabatabaei, and S. V. Filimonov 
p. 814  

Organic Compounds in the Snow-Ice 
Cover of Eastern Antarctica 
I. A. Nemirovskaya 
p. 825  

Short Communications
 
Genesis of Dawsonite Mineralization: 
Thermodynamic Analysis and Alternatives 
B. N. Ryzhenko 
p. 835  
  
Low-Temperature Heat Capacity and Thermodynamic 
Properties of Natural Annite 
I. E. Paukov, Yu. A. Kovalevskaya, 
I. A. Kiseleva, and T. N. Shuriga 
p. 841