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Hiramaki Formation

• Coherent formation
• First Seto Inland Sea
• Sedimentary basin in island arc
• early Miocene
• Correlation: Agi Formation

• Lower limit: Unconformity (Nakamura Formation)

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

• Distribution: Gifu pref.
• Fossils (Daijima-type flora): Liquidambar sp.

• Shinjoe et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.7, pp.533-538 DOI
• Ina et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.10, pp.542-545 DOI
• Yoshida and Wakita (1999) Geology of the Gifu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 71p. (in Japanese with English abstract 4p.)