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Towada Red Pumice Tephra (Tohoku Region Quaternary Research Group, 1969) Kudo, 2005

Abbr.: RP, To-Rd

Invalid synonym: Red Pumice Tephra, Towada Red Tephra

• Type locality: Sennosawa, Towada city, Aomori prefecture
• Tephra
• late Pleistocene (ca. 55 ka)

• Lithofacies (Upper): Scoria fall deposit
• Lithofacies (Lower): Pumice fall deposit

• Source: Towada caldera
• Thickness (Upper): 7 cm
• Thickness (Lower): 70 cm

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

• Distribution: Kamikita plain, Aomori pref.
• Distribution: Sennosawa, Towada city, Aomori pref.; Maita - Ofudo, Towada city, Aomori pref.; Ashinazawa, Towada city, Aomori pref.

• Kudo (2005) Geology of the Towada District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 79p. (in Japanese with English abstract 3p.)