Latitude: 35°17'N
Longitude: 134°40'E
明延鉱山, 兵庫県 養父市 大屋町明延
A copper-zinc-tin-tungsten-arsenic mine, now closed, which worked more than 50 veins, some of them highly telescoped xenothermal veins (i.e. high- and low-temperature minerals superimposed in the same veins) cutting Paleozoic and Mesozoic sediments and younger gabbroic to dioritic intrusives. Tin was discovered here in 1908 and for many years this mine produced as much Sn as all other japanese tin deposits combined. Tungsten was produced from both ferberite and scheelite; arsenic trioxide from arsenopyrite.
References
- Mining Annual Review:1985:407.
- Werner, A.B.T., Sinclair, W.D., and Amey, E.B. (1998): International Strategic Mineral Issues Summary Report - Tungsten. US Geological Survey Circular 930-O.
- Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.
- Takeo Katou (1917) The ring-ore from the Akenobe mine, province of Tajima, Japan. Journal of the Geological Society of Tokyo, 24, #287, 35-39.
Mineral List
43 entries listed. 38 valid minerals.
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