Eboshidake Lava

Eboshidake Lava (Ozawa and Sumi, 1957) Sudo and Ishii, 1987

Invalid synonym: Eboshi Lava

Type locality: Mount Eboshi, Senboku city, Akita prefecture
Volcanic rocks
Parasitic cone, or possibly different volcano
Pleistocene (1.4 Ma, K-Ar)

Sedimentary facies: Lava dome
Lithofacies: Quartz-bearing augite hypersthene andesite lava

Parasitic cone
[ Upper ]
~~~~~~~~~~~~~~
Yasumori Lava
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Eboshidake 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 Eboshi, 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.)
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.)