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Motokozawa Formation

• Coherent formation
• Miocene (18.6 - 17.7 Ma)
• Intruded by: Motokozawa Basalt

• Sedimentary facies: Lacustrine

• Upper limit: Unconformity (Yamanouchi Formation)
• Lower limit: Conformity (Ichiba Formation)

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

• Distribution: Motegi city, Haga county, Tochigi pref.

• Tagiri et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.6, pp.300-313 DOI