Geochemistry International, 2006, V 44, N 1.

Fiftieth Anniversary of the Founding of Geokhimiya 
E. M. Galimov p. 1

Alkaline Magmatism and Enriched Mantle Reservoirs: 
Mechanisms, Time, and Depth of Formation 
L. N. Kogarko p. 3  

Main Components of Geochemical Reservoirs
 of the Silicate Earth 
I. D. Ryabchikov 
p. 11  

Crystal Chemical and Energy Analysis of Partition Coefficients 
of Impurities during Melt Crystallization: The Case of Olivine 
V. S. Urusov, V. B. Dudnikova, and E. V. Zharikov 
p. 19 
 
Solubility of Hydrogen and Carbon in Reduced
Magmas of the Early Earth’s Mantle 
A. A. Kadik, Yu. A. Litvin, V. V. Koltashev, 
E. B. Kryukova, and V. G. Plotnichenko
p. 33  

Abundances of Chemical Elements in the Earth?s Crust   
A. A. Yaroshevsky 
p. 48  

Oxygen Fugacity Regime in the Upper Mantle as a Reflection 
of the Chemical Differentiation of Planetary Materials 
A. A. Kadik
p. 56  

Crystallization Differentiation of Intrusive Magmatic
Melt: Development
of a Convection-Accumulation Model 
A. A. Ariskin and A. A. Yaroshevsky  
p. 72  

Mathematical Simulation of Complex Natural Systems 
Yu. I. Sidorov 
p. 94