Higashihata Member

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Higashihata Member (Somekawa and Yoshikawa, 1983) Ozaki et al., 2000

Type locality: Higashihata, Seika city, Soraku county, Kyoto prefecture
Coherent formation
Pliocene - Pleistocene

Sedimentary facies: Fluvial, Lacustrine
Lithofacies: Interbedded sands and silt
Lithofacies (Minor): Gravels
Sedimentary structures: Trough cross-stratification, Planar cross-stratification

Thickness: 30 - 40 m
Upper limit: Bottom of the conglomerate bed around Fugenji Tephra
Upper limit: Conformity (Mizutori Member)
Lower limit: Conformity (Shikahata Member), Unconformity

Tomigaoka Formation (Nara basin, Nara pref.)
[ Upper ]
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Higashihata Member
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Kamiumetani Member
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Kaseyama Member
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Kiridoshi Member
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[ Lower ]

Tomigaoka Formation (Ikoma, Nara pref.)
[ Upper ]
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Higashihata Member
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Shikahata Member
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[ Lower ]

Osaka Group (Yawata, Kyoto pref.)
[ Upper ]
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Shodai Formation
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Seika Formation
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Tanabe Formation
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Tomigaoka Formation
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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: Mount Kannabiyama - Fugenji, Kyotanabe city, Kyoto pref.; Higashihata, Seika city, Soraku county, Kyoto pref.; Tomio - Ryozanji - Gakuendaiwa town, Nara city, Nara pref.; Asukano, Ikoma city, Nara pref.
Tephra: Higashihata, Kitadani, Fugenji

Miyachi et al. (2005) Geology of the Kyoto-Seinambu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 90p. (in Japanese with English abstract 4p.)
Miyachi et al. (2001) Geology of the Osaka-Tohokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 130p. (in Japanese with English abstract 6p.)