¹ Garwin et al. 2005. Tectonic setting, Geology, and gold and copper mineralization in the Cenozoic magmatic arcs of Southeast Asia and the West Pacific. Economic Geology 100th Anniversary Vol. pp 891-930

² Shikazono, N. 1986, Ag/Au Total Production Ratio and Au-Ag Minerals from Vein-Type and Disseminated-Type Deposits in Japan, Mining Geology, 36(6), p 411 – 424.

³ Watanabe, 2005. Late Cenozoic evolution of epithermal gold metallogenic provinces in Kyushu, Japan. Mineralium Deposita (2005) 40: pp 307-323

⁴ METI, 1991-1997. Reports completed by MITI on the Takamine area (Years 3 to 9). The Agency of Natural Resources and Energy of MIT.

⁵ METI (1984- 1989): Report on the regional survey of the Hokusatsu-Kushikino region, Showa 58 (FY) to 63(FY). Ministry of International Trade and Industry.