| 引用文献 |
| 1 | | Memoto, T. ed. (1959) Geologic map of Rausu (1/250,000 scale) Sasa, Y. and Nemoto, T. ed. (1959) Geologic map of Nemuro (1/250,000 scale) | 46 |
| 2 | | Gorshkov, G. S. (1970) Volcanism and the upper mantle: investigations in the Kurile Island Arc. Plenum Press New York-London, pp.385 | 46 |
| 3 | 国土地理院（１９９２）１：５０，０００地形図 ハッチャス・米戸賀・東沸・国後泊 | Geographical Survey Institute (1992) 1:50,000 Topographic map Hatchasu, Bettoka, Tofutsu, Kunashiri-tomari. | 134 |
| 4 | | Bailey, J.C., Larsen, O. and Frolova, T.I. (1987) Strontium isotope variations in Lower Tertialy-Quaternary volcanic rocks from the Kurileisland arc. Contrib. Mineral. Petrol., 95, 155-165. | 46 |
| 5 | | Simkin, T. and Siebert, L (1994) Volcanoes of the world. Geoscience Press Ticson, Arizona, pp349. | 46 |