Kannonji Basalt

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Kannonji Basalt Ikebe et al., 1979

Type locality: 1,201 - 1,490 m depth, YK-1, Kannonji, Sakata city, Yamagata prefecture
Volcanic rocks
Miocene
Correlation: Yakushiyama Basalt

Lithofacies: Basalt tuff breccia, Volcanic breccia, Lapilli tuff
Lithofacies (Minor): Lava, Tuff, Mudstone

Thickness: 0 - 250 m
Upper limit: Conformity (Kitamata Formation)
Lower limit: Conformity (Aosawa Formation)

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: 1,201 - 1,490 m depth, YK-1, Kannonji, Sakata city, Yamagata pref.

Tsuchiya et al. (1984) Geology of the Tsuruoka District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 77p. (in Japanese with English abstract 5p.)
Ikebe et al. (1979) Geology of the Sakata District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 42p. (in Japanese with English abstract 3p.)