Reference : - #051 Saito and Tsukamoto (1993)

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#051 1993, Saito, M. and Tsukamoto, H. Chert breccia, its occurrence and radiolarian fossils in the Hichiso-Mugi area, central Japan. Jour. Geol. Soc. Japan, vol.99, p.117-133, pl.1-3, text-fig.1-6, table 1. (in Japanese with English abstract)

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