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Iwami Formation

• Type locality: Iwami city, Iwami county, Tottori prefecture
• Coherent formation
• Miocene
• Correlation: Toyooka Formation and Muraoka Formation, Hokutan Group

• Sedimentary facies: Marine, Terrestrial
• Lithofacies: Clastic rocks

• Lower limit: Unconformity

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

• Distribution: eastern Tottori pref.

• Sakiyama et al. (2012) Jour. Geol. Soc. Japan, vol.118, Supplement, pp.1-20 DOI