Iwate volcano

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Iwate volcano

Type locality: Hachimandaira city - Takizawa city - Shizukuishi city, Iwate prefecture
Volcanic rocks
Stratovolcano
Pleistocene - Holocene (0.3 - 0.0 Ma)

Lithofacies: Tholeiite
Lithofacies: Basalt - Basaltic andesite

east Iwate volcano
[ Upper ]
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East-Iwate volcano
~~~~~~~~~~~~~~
[ Lower ]

west Iwate volcano
[ Upper ]
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West-Iwate volcano
~~~~~~~~~~~~~~
[ Lower ]

Iwate volcano
[ Upper ]
~~~~~~~~~~~~~~
Koiwai Mudflow Deposit
~~~~~~~~~~~~~~
Komatsukuramori Lava
~~~~~~~~~~~~~~
Arinesawa Lava
~~~~~~~~~~~~~~
[ Lower ]

Iwate volcanic group
[ East ]
~~~~~~~~~~~~~~
Iwate volcano
~~~~~~~~~~~~~~
Inukura volcano
~~~~~~~~~~~~~~
Omatsukura volcano
~~~~~~~~~~~~~~
Marumori volcano
~~~~~~~~~~~~~~
[ West ]

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

Distribution: Hachimandaira city - Takizawa city - Shizukuishi city, Iwate pref.

Itoh et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.4, pp.271-296 DOI
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.)