Geochemistry International, 2007, V 45, N 12.

 Relationships between the Chemical and 
 Isotopic (Sr, Nd, Hf, and Pb) 
 Heterogeneity of the Mantle 
 Yu. A. Kostitsyn 
 p. 1173  

 Petrogeochemical Characteristics of 
 the Kimberlites from the Middle Markha Region
 with Application to the Problem of the 
 Geochemical Heterogeneity of Kimberlites 
 A. V. Lapin, A. V. Tolstov, 
 and V. B. Vasilenko 
 p. 1197  

 Solubility of Minerals of Metamorphic 
 and Metasomatic Rocks in Hydrothermal
 Solutions of Varying Acidity: Thermodynamic
 Modeling at 400-800°C and 1-5 kbar 
 P. Ya. Azimov and S. A. Bushmin 
 p. 1210  

 Arsenic-Bearing Carbonate Waters: 
 Geochemical and Thermodynamic 
 Analysis of Their Genesis, 
 Transformation of Arsenic Migration 
 Species, and Models for the Genesis
 of Hydrogenic As Sulfide Mineralization 
 S. R. Krainov', B. N. Ryzhenko, 
 and E. V. Cherkasova 
 p. 1235  

 Chronicle 
 Memorial of Yurii Ivanovich Sidorov    
 July 4, 1946-August 11, 2007  
 p. 1258

 Contents of Volume 45, 2007 
 p. 1260

 Author Index to Volume 45, 2007 
 p. 1268

 New Guide for Authors 
 p. 1271