Tsukushimori Rhyolite

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Tsukushimori Rhyolite Ozawa et al., 1981

Type locality: Mount Tsukushimori, Kawabe, Akita city, Akita prefecture
Volcanic rocks
Dykes, Lava domes
Miocene
Correlation: Kamisannati Tuff Member
Intruded in: Sunakobuchi Formation

Lithofacies: Biotite rhyolite lava

Distribution (Width): 0.1 - 0.5 km
Distribution (Length): 0.4 - 2.8 km

Onnagawa Formation (Muont Taihei, Akita pref.)
[ Upper ]
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Tsukushimori Rhyolite
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[ Lower ]

Aniai, Akita pref.
[ Upper ]
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Onnagawa Formation
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Kitanomatasawa Formation
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Utto Formation
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Torisakagawa Formation
~~~~~~~~~~~~~~
Omata Formation
?--?--?--?--?-
Haginari-Okuramatasawa Formation
?--?--?--?--?-
[ Lower ]

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

Distribution: Mount Tsukushimori - Mount Iwaya - Mikura-iwa - Mount Futatsumori, Kawabe, Akita city, Akita pref.

Ozawa et al. (1981) Geology of the Taiheizan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 69p. (in Japanese with English abstract 4p.)