Urushidani Coal-bearing Member

[ Top ] [ Japanese ]

Urushidani Coal-bearing Member

Coherent formation
Cretaceous

Sedimentary facies: Terrestrial
Lithofacies: Interbedded sandstone and shale
Lithofacies (Minor): Conglomerate, Tuff, Coal

Thickness: ca. 10 - 50 m
Lowerlimit: Conformity (Shintani Tuff Breccia 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: Asahidani valley, Chinabora, Ono city, Fukui pref.; Urushidani valley, Ibigawa city, Ibi county, Gifu pref.
Fossils (Plants): Cladophlebis cf. denticulata?, Podozamites griesbachi, Podozamites cf. lanceolatus, Sequoia sp.

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.)
Kawai et al. (1957) Arashimadake, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 110p. (in Japanese with English abstract 13p.)