A lead-zinc deposit in stratiform "kuroko"-type ore (massive sulphide orebody deposited hydrothermally in the sea floor - similar to current "black smoker" environment) hosted in Miocene dacitic and basaltic volcanoclastics and dykes. Mine is now closed, but was once of interest for its content of rare elements, including Ge, In, Au.
References:
- Shunso Ishihara and Yuji Endo (2007): Indium and other trace elements in volcanogenic massive sulfide ores from the Kuroko, Besshi and other types in Japan. Bulletin of the Geological Survey of Japan 58(1/2), 7-22.
Mineral List:27 entries listed. 24 valid minerals.
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