Shintani Tuff Breccia Member

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Shintani Tuff Breccia Member

Volcanic rocks
Cretaceous

Lithofacies: Rhyolite tuff breccia

Thickness: ca. 9 m
Upper limit: Conformity (Urushidani Coal-bearing Member)

Heikedake Formation
[ Upper ]
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Saruzuk Conglomerate Member
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Urushidani Coal-bearing Member
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Hinotani Conglomerate Member = Hinotani Formation
~~~~~~~~~~~~~~
[ Lower ]

Heikedake Formation
[ Upper ]
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Saruzuk Conglomerate Member
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Urushidani Coal-bearing Member
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Shintani Tuff Breccia Member
~~~~~~~~~~~~~~
[ Lower ]

Asuwa Group (Fukui pref.)
[ Upper ]
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Heikedake Formation
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[ Lower ]

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

Distribution: Urushidani valley, Ibigawa city, Ibi county, Gifu pref.

Kawai (1964) Neo, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 66p. (in Japanese with English abstract 12p.)