Sandstone from Hokkaidō Prefecture, Japan


Japan
Hokkaidō Prefecture Kitami Province ⓘ Hiyoshi	Bamba, T. (1980). Quartz-keratophyre including arfvedsonite-trachyte from the Tokoro Belt, Central Axial Zone of Hokkaido. Journal of the Geological Society of Japan, 86, 195-202. Bamba, T., Iguchi, K., & Tanabe, K. (1979). A Large Scale Feeder Dyke Associated with Arfvedsonite Diabase and its Bearing on the Basement of the Tokoro Belt, Central Axial Zone of Hokkaido, Japan. 北海道大学理学部紀要= Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy, 19(1-2), 169-178.
Oshima Subprefecture ⓘ Kameda Peninsula	Watanabe, Y., Aoki, M., & Nakajima, N. (1996). Age and style of epithermal gold mineralization in the Minamikayabe area, southwestern Hokkaido. Shigen-Chishitsu, 46(260), 317-326.
ⓘ Seikan Tunnel	Tsuji, H., Takizawa, M., & Sawada, T. (1994). Extraordinary Influx Accidents in Seikan Undersea Tunnel. In Proceedings of the International Conference on Soil Mechanics and Foundation Engineering-international Society for Soil Mechanics and Foundation Engineering (Vol. 5, pp. 11-11). AA Balkema.
Sōya Subprefecture Esashi District Esashi ⓘ Utanobori	Sorulen, T. T., Takahashi, R., Tanaka, S., Suzuki, K., Imai, A., Watanabe, Y., & Kikuchi, S. (2019). Mineralogical and Geochemical Characteristics of the Utanobori Gold Deposit in Northern Hokkaido, Japan. Resource Geology.