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Iwayatani Member

• Type locality: Tanabe city, Wakayama prefecture
• Coherent formation
• Miocene (15 Ma, Foraminifera)

• Sedimentary facies: Marine
• Sedimentary facies: Fore shore - Back shore
• Lithofacies: Sandy

• Thickness: Thinner to north region
• Upper limit: Conformity
• Lower limit: Unconformity (Otonashigawa Group)

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

• Distribution: Wakayama pref.

• Miyata et al., (2009) Jour. Geol. Soc. Japan, vol.115, no.9, pp.470-482 DOI