Komaki Mine
Yokota, Oku-Izumo city, Nita county, Shimane pref., Japan
Occurrence
Pneumatolytic deposit formed in altered two-mica granite of Ryukoma Body.
Reported Minerals
Mineral Assemblages
- Quartz(Gangue) - Molybdenite - Wolframite
- Quartz(Gangue) - Molybdenite - Ferrimolybdite
- Almandine - Chlorite - Quartz
Produced metal(until 1975)
- Molybdenum (Molybdenite): 1,250 tons
- Tungsten (Wolframite): ca. 50 tons
History
- around 1900: The deposit was found during road construction.
- 1911: Began to mine.
- around 1920 - 1942: Tungsten (W) was mined.
- 1956 - 1976: Molybdenum (Mo) was mined.
- 1976: Closed.
Locality
- Takatori Mine (Ferberite)
- Ebisu Mine (Wolframite)
- Togane Mine (Wolframite)
- Komaki Mine (Wolframite)
- Itaga Mine (Andalusite)
- Otani Mine (Cassiterite, Scheelite)
- Taisho Mine (Cassiterite)
- Ichiyanagi Mine (Löllingite)
- Takane Mine (Bismuth)
- Karasawa Mine (Bismuth)
- Takemori (Dravite)