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Hazama Member

Invalid synonym: Hazama Formation

• Type locality: Gifu prefecture
• Coherent formation
• First Seto Inland Sea
• Sedimentary basin in island arc
• Miocene (16.0, 15.5 Ma, FT)
• Correlation: upper Maki Siltstone Member

• Sedimentary facies: Marine
• Lithofacies (Upper): Pumice tuff, Interbedded tuff and tuffaceous mudstone
• Lithofacies (Lower): Pumice tuff (Ak-12)

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

• Distribution: Gifu pref.
• Tephra: Ak-12 (15.8 Ma, FT)

• Sasao et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.2, pp.141-150 DOI
• Sasao et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.8, pp.476-481 DOI