¹ Watanabe, 1996. Genesis of Vein-hosting Fractures in the Kitami Region, Hokkaido, Japan. Resource Geology, v46(3), pp 151-166, 1996.

² The Mining & Materials Processing Institute of Japan (MMAJ), 1990. Gold Mines of Japan, Volume 2: Hokkaido.

³ Fujiwara, T., Shoya, Y., 1964. Explanatory text of the Geological Map of Japan 1:50000, Aibetsu (Sheet Abashiri-31). Hokkaido Developmental Agency. Geological Survey of Japan, AIST website.