Upper Mizusawa Lava

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Upper Mizusawa Lava

Volcanic rocks
Pleistocene - Holocene

Lithofacies: Clinopyroxene-bearing olivine orthopyroxene andesite

Main strato cone stage
[ Upper ]
~~~~~~~~~~~~~~
Yakiyama Lava
~~~~~~~~~~~~~~
Oyakisuna Lava
~~~~~~~~~~~~~~
Iwaisawa Lava
~~~~~~~~~~~~~~
Upper Mizusawa Lava
~~~~~~~~~~~~~~
Yokonagane Lava
~~~~~~~~~~~~~~
Kinjuronagane Lava
~~~~~~~~~~~~~~
Odake Lava
~~~~~~~~~~~~~~
Owadasawa Lava
~~~~~~~~~~~~~~
Hinokinaigawa Lava
~~~~~~~~~~~~~~
Mizusawa Lava
~~~~~~~~~~~~~~
Tazawakokogen Lava
~~~~~~~~~~~~~~
[ Lower ]

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: 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.)