Bulletin of the Geological Survey of Japan Vol.32 No.12 (1981)

Table of Contents

Sediments and Quaternary sedimentological history of the Osumi Strait and its vicinity, in relation to the evolution of the Osumi Strait Yoshio INOUCHI (693-716) 32-12_01.pdf(3,549KB)
Fission track ages of the quartz diorite porphyrite and Ishizaka rhyolite near Otari hot spring, Kitaazumi, Nagano Prefecture – Fission track ages of the igneous rocks related to geothermal activities in Japan (3) – Shiro TAMANYU, Hirokazu HASE and Hirofumi MURAOKA (717-721) 32-12_02.pdf(1,348KB)
[ Translation ]
Long-term prognosis of eruptions of volcanoes
P. I. TOKAREV (723-734)
translator : Fumio KISHIMOTO