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Towada-Kemanai Pyroclastic Flow Deposit (Naito, 1966) Takarada and Muraoka, 2004

Abbr.: KPf

Invalid synonym: Kemanai Pyroclastic Flow Deposit, Kemanai Pumiceous Tuff Bed

• Type locality: 650 m above sea level, Takinosawa, Lake Towada, Towada city, Aomori prefecture
• Tephra
• late Pleistocene (AD 915)
• Contemporaneous heterotopic facies: Towada-a Pyroclastic Flow Deposit

• Lithofacies: Augite hypersthene dacite
• Lithofacies: Pumice

• Source: Towada caldera
• Thickness: ca. 10 m
• Lower limit: Unconformity (Towada-Chuseri Pyroclastic Fall Deposit, Odake Lava)

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

• Distribution: Takinosawa, Lake Towada, Towada city, Aomori pref.; Summit of Mount Akakura, Aomori city, Aomori pref.

• Takarada and Muraoka (2004) Geology of the Hakkoda San District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 86p. (in Japanese with English abstract 4p.)