Geokhimiya, 2001, V 39, N 4.

Mantle Rocks Uplifted to Crustal Levels: Diffusion Profiles
in Minerals of Spinel-Plagioclase Lherzolites from Tallante, Spain
L. N. Kogarko, I. D. Ryabchikov, G. P. Brey, S. Fernández Santin,
and H. Pacheco 
p. 311  

Microstructure of Experimentally Oxidized Olivine from a Mantle Nodule:
I. Modes of Fe3+ and OH- Occurrence
N. R. Khisina, R. Wirth, K. Langer, M. Andrut, and A. V. Ukhanov
p. 327  

Melt Inclusions in Minerals of Allivalites of the Kuril-Kamchatka Island
Arc
T. I. Frolova, P. Yu. Plechov, P. L. Tikhomirov, and S. V.Churakov 
p. 336  

Gold Solubility in Complex Sulfide-Chloride Fluids at 300-500°C and Ptotal
= 1 kbar
G. G. Likhoidov and I. Ya. Nekrasov† 
p. 347  

Evolution of Sedimentation: A Study of Authigenic and Biogenic Phases
in Pelagic Sediments of the Southern Basin, Pacific Ocean
A. V. Dubinin and V. N. Sval'nov 
p. 356  

Chemical and Carbon Isotope Instabilities in the Gryphon Gases of Mud
Volcanoes: An Example of the Southern Caspian and Taman' Mud-Volcano Province
G. I. Voitov 
p. 373  

Selenium Geochemistry of Coal: An Ecological Aspect
L. Ya. Kizil'shtein and O. A. Shokina 
p. 384  

Short Communications


Composition of Magmatic Melts of Elbrus and Kazbek Volcanoes, Caucasus:
Evidence from Inclusions in Minerals
M. L. Tolstykh, V. B. Naumov, A. G. Gurbanov, V. M. Gazeev,
O. A. Bogatikov, and N. N. Kononkova 
p. 391  

On the Mutual Solubility of Components in Melts
of the NaAlSi3O8-Na2CO3-H2O System:
A Revision of A.F. Koster van Groos and P.J. Wyllie's Experiments
V. N. Anfilogov, V. K. Purtov, and L. G. Egorova 
p. 398  

Pregnanes and Cheilantanes as Indicators of the Geological Age of Oil:
The Example of Oils from the Timan-Pechora Province
I. A. Matveeva and G. N. Gorgadze 
p. 404  

Thermodynamic Properties of the Natural Zeolites. Low-Temperature Heat
Capacity of Brewsterite
I. E. Paukov, I. A. Belitskii, and Yu. A. Kovalevskaya 
p. 410