| Makoto Watanabe (1983) Journal of Science of the Hiroshima University, Series C, 8, #1, 67-94. Ishiyama, D. et al (1982) Journal of the Mining College, Akita University, Ser. A, Mining Geology, 6, #2, 149-171. Hasegawa, Kiyoshi (1979) Contact Metasomatic Zone and Massive Ore Body in Manganese Epithermal Deposits of the Jokoku Mine, Hokkaido, Japan. Jour. Fac. Sci., Hokkaido Univ., Ser. IV, vol. 19, nos. 1-2, March, 1979, pp. 265-272. Hariya, Yu |