Contents
Geochemistry International

Vol. 36, No. 12, 1998

Simultaneous English language translation of the journal is available from / Interperiodica Publishing (Russia).
Geochemistry International ISSN 0016-7029.

Geochemical and Isotopic Characteristics and Magma Sources
of the Early Cretaceous Trachybasalts of the Gobi–Altai Rift Zone: An Example
of Grabens in the Arts-Bogdo Range

V. S. Samoilov , V. V. Yarmolyuk , V. I. Kovalenko , V. G. Ivanov , and Yu. A. Pokhol’chenko p. 1087  abstract

Olivine Melilitites of the Kimberlite and Carbonatite Associations
in Dikes and Diatremes of Eastern Siberia

E. A. Chernysheva and S. I. Kostrovitskii p. 1100  abstract

Stratification in Cooled Planets

A. I. Shapkin and Yu. I. Sidorov p. 1109  abstract

The Nature of Anomalous Ba Contents in Riphean Granitoids
of the Island-Arc Type in Eastern Siberia

A. A. Tsygankov and T. T. Vrublevskaya p. 1123  abstract

Rare-Earth and Other Trace Elements in Rocks from W-bearing Magmatic Complexes
of the Southern Tien Shan

S. G. Solov’ev p. 1133  abstract

Trace Element Composition of Sulfide Inclusions in Garnets
from the Udachnaya Kimberlite Pipe, Yakutia

Yu. P. Barashkov, W. L. Griffin, and S. B. Tel’nikova p. 1147  abstract

Electrochemical Transport of Metal Ions through Dispersed Rocks:
An Experimental Study

V. A. Korolev and M. A. Nekrasova p. 1154  abstract

Cesium-137 Accumulation Behavior of Bottom Surface Sediments of the Barents Sea

E. M. Leonova, A. D. Krasnyuk, and V. I. Petrova p. 1161  abstract

Peculiar Properties of Film Solutions and Their Role in Geochemical Processes

A. B. Ptitsyn p. 1168  abstract

Short Communications

Platinum Mineralization of the Nizhnii Tagil Massif: New Data
on the Oxygen Isotopic Composition of the Olivine and Chrome Spinel

A. V. Ukhanov, E. V. Anikina, and V. I. Ustinov p. 1174  abstract

Low-Temperature Heat Capacity and Thermodynamic Functions of Laumontite

I. E. Paukov and B. A. Fursenko p. 1177  abstract

Modeling of the Macrokinetics of Heterogeneous Chemical Reactions during Fluid Percolation

M. G. Khramchenkov p. 1180  abstract

Author Index to Volume 36, 1998 p. 1186