Petrology , 2004, V 12, N 4, July-August.

Chemical Evolution of the PermianTriassic Basalts
of the Siberian Platform in Space and Time 
A. I. Almukhamedov, A. Ya. Medvedev, 
and V. V. Zolotukhin p. 297   

Ultramafic Alkaline Volcanic Rocks of the Zhlobin
Field (Belarus): Sources and Evolution of Magmas 
V. A. Pervov, E. A. Nikitin, and L. K. Levsky 
p. 312   

Age and Duration of Svecofennian Plutono-Metamorphic
Activity in the Ladoga Area, 
Southeastern Baltic Shield 
Sh. K. Baltybaev, O. A. Levchenkov, N. G. Berezhnaya, 
L. K. Levskii, A. F. Makeev, and S. Z. Yakovleva 
p. 330   

Geochemistry of Granitoids of the Svecofennian
Tectonometamorphic Cycle 
in the Northern Ladoga Region 
I. S. Sedova, L. M. Samorukova, V. A. Glebovitsky,
and D. P. Krylov 
p. 348   

Early Paleozoic Granitoids in the Eastern Margin
of the Argun Terrane, Amur Area: 
First Geochemical and Geochronologic Data 
A. A. Sorokin, N. M. Kudryashov, Li Jinyi, 
D. Z. Zhuravlev, Yan Pin, Sun Guihua, 
and Gao Liming 
p. 367   

Diamond-Forming Media in the System 
EclogiteCarbonatiteSulfideCarbon: 
Experiments at 6.08.5 GPa 
Yu. A. Litvin and V. G. Butvina 
p. 377   

Phase Diagrams of Three-Component Systems 
as a Basis for the Analysis of Metasomatic Processes 
E. B. Treivus 
p. 388