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Nonodake Pyroclastic Member

Invalid synonym: Nonodake Agglomerate

• Volcanic rocks
• Miocene (15.5, 15.1 Ma, K-Ar)
• Contemporaneous heterotopic facies: Oido Sandstone Member, Wabuchi Conglomerate Member
• Correlation: Ishikoshi Andesite, Inase Formation, Takadate Formation, Asahiyama Andesite Member

• Lithofacies: Augite hypersthene andesite volcanic breccia, Tuff breccia
• Lithofacies (Minor): Lava

• Thickness: ca. 250 m
• Upper limit: Partly interfingered (Oido Sandstone Member), Unconformity (Kameoka Formation, Tatsunokuchi Formation)
• Lower limit: Partly interfingered (Wabuchi Conglomerate Member)

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

• Distribution: Mount Nonodake - Narisawa - Kekatsuyama, Wakuya city, Toda county, Miyagi pref.; Mount Kagobo, Osaki city, Miyagi pref.

• Takeuchi and Kaneko (1996) Geology of the Shizugawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 93p. (in Japanese with English abstract 5p.)
• Takahashi and Matsuno (1969) Geology of the Wakuya District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 26p. (in Japanese with English abstract 6p.)