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Minasegawa Tuff Member

• Volcanic rocks
• Miocene - Pliocene

• Lithofacies: Breccia, Biotite dacitic volcanic lapilli tuff

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

• Distribution: Oyasu - Akinomiya, Akita pref.

• Takashima and Koshiya (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.97-109 DOI