A I

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A I

Volcano
Volcanic rocks
Miocene
Intruded by: Andesite dyke

Lithofacies: Dacitic lava, Dacitic tuff, Dacitic lapilli tuff
Lithofacies (Minor): Tuff breccia

Thickness (Lava): 50 - 120 m
Thickness (Tuff): 350 m or thicker
Upper limit: Conformity (A II, A III)

Tappi Volcanic Rocks
[ Upper ]
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A IV
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A III
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A II
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A I
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[ Lower ]

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

Distribution: Cape Tappi, Mimmaya, Sotogahama city, Higashitsugaru county, Aomori pref.; Yokodomari, Kodomari, Nakadomari city, Kitatsugaru county, Aomori pref.

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.)