Hitsumori Lava

Volcanic rocks
Post-caldera volcanic products
Pleistocene

Lithofacies: Augite hypersthene andesite (2 flow units)

Source: Mount Bunamori

Post-caldera lava
[ Upper ]
~~~~~~~~~~~~~~
Kayo Lava
~~~~~~~~~~~~~~
Hitsumori Lava
~~~~~~~~~~~~~~
Shiritaka Lava
~~~~~~~~~~~~~~
[ Lower ]

Kayodake volcano
[ Upper ]
~~~~~~~~~~~~~~
Post-caldera lava
~~~~~~~~~~~~~~
Parasitic cone
~~~~~~~~~~~~~~
Pre-caldera stratovolcano
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Mount Kayo, Tazawako, Senboku city, Akita pref.

Kawano and Uemura (1964) Hachimantai, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 36p. (in Japanese with English abstract 8p.)
Ozawa and Sumi (1958) Tazawako, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 23p. (in Japanese with English abstract 4p.)
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.)