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Fukawa Formation Kawai, 1957

• Type locality: Fukawa, Kamogawa city, Chiba prefecture
• Coherent formation
• middle Miocene
• Correlation: lower Sakuma Formation, Tomiyama Formation, Ishibatake Conglomerate Member

• Sedimentary facies: Shallow marine
• Lithofacies: Sandstone

• Thickness: 350 - 400 m or thicker
• Lower limit: Unconformity (Sanno Formation, Shirataki Formation)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Fukawa - Kaisuka, Kamogawa city, Chiba pref.

• Takahashi et al. (2016) Jour. Geol. Soc. Japan, vol.122, no.8, pp.375-395, DOI
• Sawada et al. (2009) Jour. Geol. Soc. Japan, vol.115, no.5, pp.206-222 DOI
• Nakajima et al. (1981) Geology of the Kamogawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 107p. (in Japanese with English abstract 7p.)