Ishiuchi Formation

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Ishiuchi Member Kawabe, 1986

Type locality: Ishiuchi, Tsukigase, Nara city, Nara prefecture
Coherent formation
Pliocene

Sedimentary facies: Terrestrial
Lithofacies: Gravels
Lithofacies (Minor): Sands, Silt, Clay
Sedimentary structures: Cross stratification, Parallel stratification, Reversed-graded bedding

Thickness: ca. 70 m
Upper limit: Transitional (Hokke Member)
Lower limit: Conformity, partly Unconformity (Yono Member)

Iga Formation (Hananoki, Mie pref.)
[ Upper ]
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Hokke Member
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Ishiuchi Member
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[ Lower ]

Kobiwako Group
[ Upper ]
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Takashima Formation
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Katata Formation
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Kusatsu Formation
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Gamo Formation
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Koka Formation
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Ayama Formation
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Iga Formation
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Ueno Formation
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[ Lower ]

Second Setouchi Supergroup (Shiga pref.)
[ Upper ]
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Kobiwako Group
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[ Lower ]

[ Upper ]
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Second Setouchi Supergroup
?--?--?--?--?-
First Setouchi Supergroup
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[ Lower ]

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

Distribution: Ishiuchi, Tsukigase, Nara city, Nara pref.; Ouchi, Iga city, Mie pref.
Fossils: Plant roots
Tephra: Kyokoike, Shichihongi I, Shichihongi II

Kawabe et al. (1996) Geology of the Ueno District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 99p. (in Japanese with English abstract 5p.)