Geochemistry International, 1999, V 37, N 7, July.

Organic Geochemistry of the System the Danube River–Northwestern
Shelf of the Black Sea 
E. M. Galimov, L. A. Kodina, L. I. Zhil’tsova, and L. N.Vlasova
p. 597 

Experimental Investigation of the Influence of Aqueous Solution 
Composition on the Elastic Properties of Sandstone at High Pressure and
Temperature and Computer Modeling of Water–Rock Interaction 
E. B. Lebedev, B. N. Ryzhenko, A. M. Dorfman, S. R. Zebrin, A. V. Zharikov, 
N. T. Sokolova, and H. Burkhardt
p. 607 

Fluid–Mineral
Equilibria in the CaFcr–NaCl–CaCl2–H2O
System in Homogeneous and Heterogeneous Fluids 
S. D. Malinin† and N. A. Kurovskaya
p. 616 

Halogens in Petrogenesis and Mineralizing Processes in Fossil Geodynamic
Environments of Continental-Margin Belts and Hypercollisional Environments: An
Example of the Urals 
V. V. Kholodnov and R. G. Yazeva 
p. 624 

Influence of the River Runoff on the Distribution, Composition, and Origin

of the Organic Matter in Sediments from the Congo
River–Angolan Depression Section 
G. I.    Batova, V. I. Petrova, and V. I. Peresypkin
p. 632 

Isotopic Compositions of Shell Carbon in Modern Mollusks from Belarus 
A. A. Makhnach and A. F. San’ko 
p. 638 


Short Communications 


Hydrocarbons in Estuarine Sediments from the Northwestern Area of the Black Sea 
I. A. Nemirovskaya 
p. 645 

Chemical Composition of Formation Waters from Paleozoic and Triassic
Deposits of the Algerian Sahara in Connection with the Assessment of Their
Petroleum Potential 
V. D. Poroshin 
p. 652 

Composition of Oils from the Lower–Middle Jurassic Deposits of the Tomsk
Region 
O. F.Stasova and N. I. Larichkina 
p. 659 

Geochemistry of Mantle Nodules in Alkaline Basaltic Tuff from the Reykjanes
Ridge, North Atlantic 
E. A.Chernysheva and G. S. Kharin 
p. 665 

Formation of the Hydrogenic Component of Alluvial Platinum Placers in the Russian
Far East 
V. Yu. Abramov, A. A., Potapov, V. A. Kiryukhin, and S. A. Kozlov
p. 669 

Biogeochemical Manganese Anomalies Along the Maden Çayi Valley’,
Maden-Elazi
Zeynep Özdemir Ahmet Sa
p. 673 

Experimental Modeling of the Natural Synthesis of Polycrystalline Diamond 
A. V.  Rakhmanina and E. N. Yakovlev 
p. 678 

Experimental Study of Rutile Composition at Variable Oxygen Fugacity

in the Mg–Fe–Ti–Si–O System 
Yu. V. Babich 
p. 683 

Co–Ni and Co–Mg Relations in Siberian Kimberlites 
I. P. Ilupin 
p. 688 


Chronicle


Symposium on Physicochemical and Petrophysical Studies in Earth Sciences 
E. B. Lebedev, O. L. Kuskov, Yu. S. Genshaft, and A. V. Zharikov
p. 693 


In Memoriam of Valentina Sergeevna Neapolitanskaya 
p. 697