Kamisannai Tuff Member

[ Top ] [ Japanese ]

Kamisannai Tuff Member (Kawai, 1949) Ozawa et al., 1981

Tephra
Miocene
Contemporaneous heterotopic facies: Main part
Correlation: Tsukushimori Rhyolite

Lithofacies: Biotite rhyolite tuff, Lapilli tuff, Tuff breccia

Thickness: 0 - 200 m

Onnagawa Formation (Mount Taihei)
[ Upper ]
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Main part / Kamisannai Tuff Member
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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: 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.)