Tokidozawa Lava

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Tokidozawa Lava

Type locality: Mount Moriyoshi, Kitaakita city, Akita prefecture
Volcanic rocks
Eruptive products in pre-caldera and caldera-forming stages
Pleistocene (1 Ma)

Lithofacies: Hypersthene augite andesite lava, Tuff breccia

E-2 stage
[ Upper ]
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Ichinomatakawa Lavas
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Ichinokoshi Lavas
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Todorinaisawa Lava
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Animatsukurasawa Lavas
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Tokidozawa Lava
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[ Lower ]

Earlier stage
[ Upper ]
~~~~~~~~~~~~~~
E-3 stage
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E-2 stage
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E-1 stage
~~~~~~~~~~~~~~
[ Lower ]

Moriyoshi volcano
[ Upper ]
+__+__+__+__+_
Later stage
~~~~~~~~~~~~~~
Earlier stage
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Mount Moriyoshi, 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.)