Geochemistry International, 2004, V 42, N 8, August.

Interstellar Matter in Chondrites 
A. K. Lavrukhina 
p. 697  

Noble Gases in the Grain-Size Fractions
of Presolar Diamond from the Boriskino 
CM2 Meteorite 
A. V. Fisenko, A. B. Verchovsky, L. F. Semenova, 
and K. T. Pillinger
p. 708  

Resistivity of the Rb-Sr Isotopic System of Magmatic
Rocks during Secondary Processes 
Yu. A. Kostitsyn and A. Yu. Petrova 
p. 720  

Formal Analysis of Isochron Construction in 
40Ar/39Ar Geochronology 
S. B. Brandt, S. V. Rasskazov, I. S. Brandt, and 
A. V. Ivanov 
p. 728  

Isotopic Geochemistry of Mesothermal 
Deposition of Talc, Tungsten, and Gold: Evidence
from Mineral Deposits of the Urals 
I. A. Baksheev, V. I. Ustinov, and O. E. Kudryavtseva 
p. 736  

Trace Element Fractionation in Coexisting High- 
and Low-Ca Alkali 
Ultramafic Series of the Odikhincha Massif (Polar Siberia) 
I. T. Rass 
p. 744  

Modeling of Gold Sorption on Carbonaceous
Matter at 20-500°C and 1 kbar 
L. P. Plyusnina, T. V. Kuz'mina, and O. V. Avchenko 
p. 755  

Behavior of Zn, Cd, Pb, and Cu during the Interaction
between River-Suspended Matter and Seawater 
V. M. Shul'kin and N. N. Bogdanova 
p. 764  

Geochemical Assessment of Recent Bottom Sediments
in the Seliger Lacustrine System 
V. I. Kosov, V. V. Levinskii, and G. N. Ivanov 
p. 773  

Polygenetic Sources of Trace Elements in Oils 
S. A. Punanova 
p. 781  

Short Communications 

NaF-Bearing Fluid Inclusions in Quartz Synthesized
at 450-500°C and P = 500-2000 bar 
Z. A. Kotelnikova and A. R. Kotelnikov 
p. 794