Chromite orebodies, the largest being 50 meters long and 2 meters thick, hosted in serpentine and the neighboring mica schists that were intruded by the serpentine. Used to also produce about 1,000 tons a month of dunite rock, mainly for production of refractories, with minor associated chromium production. Minor eclogite rock is also present.
(See also under "Higashi-Akaishi dunite".)
References
Takeo Katou (1921) Notes on the banded chromite ore from the Akaishi mine in the province of Iyo, Japan. Journal of the Geological Society of Tokyo, 28, #331.
Mineral List
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