A IV

Volcano
Volcanic rocks
Miocene

Lithofacies: Dacite
Lithofacies: Lava, Lapilli tuff

Thickness: 400 - 500 m
Lower limit: Conformity (A III)

Tappi Volcanic Rocks
[ Upper ]
--------------
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: Mimmaya - Masakaridomari, Sotogahama city, Higashitsugaru 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.)