Nagaike Formation

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Nagaike Formation Wakita et al., 2013

Coherent formation
Pliocene - Pleistocene
Contemporaneous heterotopic facies (Lower): Zenjoji Formation
Correlation (Lower): Mizutori Member

Sedimentary facies: Fluvial, Lacustrine
Sedimentary facies: Alluvial fan deposit
Lithofacies: Sands, Gravels
Lithofacies (Minor): Silt, Clay

Thickness: ca. 200 m
Lower limit: Conformity (Otonoyama Formation), Unconformity (Mino Belt)

Nagaike Formation
[ Upper ]
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Ma 1
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Uji Member
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Ma 0
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Joyo Member II
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Joyo Member I
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Myojogahara Member
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[ Lower ]

Osaka Group (Uji, Kyoto pref.)
[ Upper ]
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Fukakusa Formation
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Nagaike Formation
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Zenjoji Formation
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Otonoyama Formation
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Tomigaoka Formation
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[ Lower ]

Second Setouchi Supergroup (Osaka pref. - Hyogo pref.)
[ Upper ]
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Osaka 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: Meijodai, Ujitawara city, Tsuzuki county, Kyoto pref.; Nagaike - Terada, Joyo city, Kyoto pref.; Hirono town - Shirakawa - Zenpo - Tenjindai, Uji city, Kyoto pref.
Fossils (Plants, Uji Member): Menyanthes trifoliata, Picea maximowiczii, Pinus koraiensis
Tephra: Kamotani, Shirakawa I, Shirakawa II, Konosuyama, Hirono I, Hirono II, Hirono III, Uji
Key bed (Marine clay): Ma 0, Ma 1

Wakita et al. (2013) Geology of the Kyoto-Tonambu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 124p. (in Japanese with English abstract 3p.)