I Structure of the Kurile Arc. - II History of Investigation of the Volcanoes. - III Structure of the Earth's Crust and Geophysical Fields. - Seismicity. - Structure of the Crust from Deep-Seismic Sounding Data (DSS). - Gravitational and Magnetic Field. - IV Geology of the Basement. - Stratigraphy. - Tectonics. - Some Problems of Quaternary Geology. - V Volcanoes of the Kurile Islands. - Submarine Volcanoes. - Terrestrial Volcanoes. - Volcanoes of the Main Volcanic Zone. - General Comments on the Volcanoes. - VI Petrography and Petrochemistry of the Volcanic Rocks. - Petrography of the Volcanic Rocks. - Petrochemistry of the Volcanic Rocks. - General Observations. - VII Characteristic Petrochemical Features of the Lavas of the Other Island Arcs and of Intracontinental and Oceanic Volcanoes. - Island and Volcanic Arcs. - Intracontinental Volcanoes. - Intraoceanic Volcanoes. - VIII Evolution of Volcanism as a Reflection of the Evolution of the Upper Mantle. - Two Classes of Volcanic Rocks. - Volcanism and the Earth's Upper Mantle. - Sketch of the Evolution of Volcanism and Development of the Crust. - References. - Index to Geographic Terms. - General Index. Language: English