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Akakurazawa Pyroclastic Flow Deposit

• Type locality: Akakura creek, Mount Onamedake, Tazawako, Senboku city, Akita prefecture
• Tephra
• Pleistocene - Holocene

• Lithofacies: Pyroclastic flow deposit (2 flow units or more)
• Lithofacies: Clinopyroxene orthopyroxene andesite scoria

• Thickness (A unit): 1 - 2, 1 - 4 m
• Lower limit: Unconformity (Sasamoriyama Volcanic Products)

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

• Distribution: Akakura creek - Katakura creek, Mount Onamedake, Tazawako, Senboku city, Akita pref.

• Suto and Ishii (1987) Geology of the Shizukuishi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 142p. (in Japanese with English abstract 5p.)