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Tappi Volcanic Rocks

Invalid synonym: Tappi Andesites

• Volcano
• Volcanic rocks
• early - late Miocene (17.0 - 10.0 Ma)
• Contemporaneous heterotopic facies: Fuyube Formation, Nagane Formation, Genpachimori Formation

• Lithofacies: Andesite, Dacite, Rholite, Basalt
• Lithofacies: Lava, Clastic rocks, Volcaniclastic rocks

• Thickness: 400 - 1,200 m
• Lower limit: Conformity (Fuyube Formation)

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

• Distribution: Mimmaya, Sotogahama city, Higashitsugaru city, Aomori pref.; Kodomari, Nakadomari city, Kitatsugaru county, Aomori pref.

• Kamikuri et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.8, pp.403-411 DOI
• Tsushima and Uemura (1959) Kodomari, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 45p. (in Japanese with English abstract 5p.)
• Ota et al. (1957) Mimmaya, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 30p. (in Japanese with English abstract 5p.)