CONTENTS

No. 4, 2002

The North Paramushir Hydrothermal Magmatic System: The Deep Geologic Section and a Model of
Present-day Mineralization and Metallization in the Interior of the System
S. N. Rychagov, V. I. Beloussov, S. F. Glavatskikh, V. M. Ladygin, E. I. Sandimirova

 

3

Volcanic Exhalations of Avacha Volcano Following the 1999 Eruption
E. K. Serafimova, A. A. Ovsyannikov, Yu. D. Muravjev

22

Isotope Characteristics of Mantle Sources of Basaltic Magmas in the Canary Islands
A. Ya. Saltykovskii, N. A. Titaeva, Yu. S. Genshaft

31
The Latitude Distribution of Volcanic Eruptions
V. M. Fedorov

39

The Influence of Regular and Irregular Crustal Inhomogeneities of Seismic Signal Dynamics
V. I. Dzhurik, A. F. Drennov, A. D. Basov

44

A System for Analyzing the Characteristic of the Acoustic Process Occuring During Fracture
of a Rock Specimen
E. F. Yurkov

 

57

A Study of Time Series Using Sequential Spectral Analysis
S. K. Daragan, E. I. Lyukke

71