Lower Shibakura Lava

Type locality: Mount Shibakura, Kitaakita city, Akita prefecture
Volcanic rocks
Pleistocene

Lithofacies: Quartz-bearing hypersthene augite andesite lava, Tuff breccia

Shibakura volcano
[ Upper ]
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Upper Shibakura Lava
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Lower Shibakura Lava
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Bunamori Lava
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[ Lower ]

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

Distribution: Mount Shibakura, Kitaakita city, Akita pref.

Ozawa and Sumi (1957) Moriyoshiyama, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 42p. (in Japanese with English abstract 5p.)