Kamikomata Sandstone and Conglomerate Member

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Kamikomata Sandstone and Conglomerate Member Taguchi, 1962

Coherent formation
Miocene

Lithofacies (Upper): Tuffaceous sandstone
Lithofacies (Lower): Andesite conglomerate
Lithofacies (Lower, Minor): Sandstone, Siltstone

Thickness: 300 m or thinner
Upper limit: Conformity (Kusanagi Formation)
Lower limit: Conformity (Kusanagi Formation, Takasaka Acid Volcanic Rock, Kabuyama Andesite)

Kusanagi Formation (Sakata, Yamagata pref.)
[ Upper ]
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Kannonji Basalt
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[ Lower ]

Kusanagi Formation (Shinjo, Yamagata pref.)
[ Upper ]
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Kamikomata Sandstone and Conglomerate Member
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Takasaka Acid Volcanic Rock
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Kabuyama Andesite
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[ Lower ]

Shinjo basin, Yamagata pref.
[ Upper ]
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Furukuchi Formation
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Kusanagi Formation
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Aosawa Formation
?--?--?--?--?-
[ Lower ]

Fukura, Yamagata pref.
[ Upper ]
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Kusanagi Formation
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Okawa Formation
?--?--?--?--?-
[ Lower ]

Sakata - Tsuruoka, Yamagata pref.
[ Upper ]
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Kitamata Formation
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Kusanagi Formation
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Aosawa Formation
?--?--?--?--?-
[ Lower ]

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

Distribution: Mansuke river - Yachinosawa, Mamurogawa city, Mogami county, Yamagata pref.

Tsuchiya (1989) Geology of the Osawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 85p. (in Japanese with English abstract 6p.)