Akita-Komagatake volcano

[ Top ] [ Japanese ]

Akita-Komagatake volcano

Volcanic rocks
Pleistocene - Holocene

Lithofacies: Olivine hypersthene augite andesite

Akita-Komagatake volcano
[ Upper ]
~~~~~~~~~~~~~~
Post-caldera eruption stage
~~~~~~~~~~~~~~
Syn-caldera formation stage
~~~~~~~~~~~~~~
Main strato cone stage
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Sendachi river, Tazawako, Senboku city, Akita pref.

Suto and Ishii (1987) Geology of the Shizukuishi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 142p. (in Japanese with English abstract 5p.)
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.)