Latitude: 43°41'N
Longitude: 143°10'E
The largest mercury deposit in Japan, now abandoned. Seven major veins, late Miocene(?), cut Miocene propylite (propylitized andesite), and a network of veinlets is disseminated through the overlying tuffaceous sandstone. Ore grade 0.35 to 0.40% Hg. Unusually rich in native mercury, which often dominated over cinnabar.
References
- Geological Survey of Japan (1960): Geology and Mineral Resources of Japan.
- Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.
Mineral List
10 entries listed. 8 valid minerals.
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