Quarry in Cretaceous granite.
Located on the Northernmost corner of Shodoshima Island.
Ref.:
Kutsukake, T., et al. (1979): Geology and petrography of the Ryoke belt in the Shodo-shima Island and the eastern Sanuki region. In ed. Murakami, N., Mes ozoic acid igneous activity in Japan. The Memoirs of the Geological Society of Japan 17,47-68 (in Japanese with english abstract)
Mineral List:10 entries listed. 7 valid minerals. 1 type locality (valid mineral).
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