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Kagamizawa Mudstone Member Ozawa and Sumi, 1961

• Type locality: Kagamizawa, Mamurogawa city, Mogami county, Yamagata prefecture
• Coherent formation
• late Miocene

• Lithofacies: Mudstone
• Lithofacies (Minor): Basaltic tuff breccia, Lapilli tuff, Sandstone, Tuff

• Thickness: 150 - 300 m
• Upper limit: Bottom of the volcanic conglomerate member or the tuff-bearing horizon
• Upper limit: Transitional (Otaki Mudstone Member)
• Lower limit: Conformity (Sotosawa Mudstone Member, Kyunozoki Tuff Member)

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

• Distribution: Yamagata pref.

• Ozawa and Sumi (1961) Uzenkaneyama, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 66p. (in Japanese with English abstract 5p.)