Shikahata Member

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Shikahata Member Mitamura, 1992

Invalid synonym: Shikahata Conglomerate Member

Type locality: Higashihata, Ikoma city, Nara prefecture
Coherent formation
Pliocene - Pleistocene
Contemporaneous heterotopic facies: Kamiumetani Member

Sedimentary facies: Fluvial, Lacustrine
Lithofacies: Basal conglomerate
Lithofacies (Minor): Sands, Silt
Sedimentary structures: Graded bedding, Planar cross-stratification
Paleocurrent: to West

Thickness: 0 - 15 m or thicker
Upper limit: Conformity (Higashihata Member)

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
~~~~~~~~~~~~~~
[ 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
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Mount Kannabiyama - Takigi, Kyotanabe city, Kyoto pref.; Utta, Seika city, Soraku county, Kyoto pref.; Ide, Ide city, Tsuzuki county, Kyoto pref.; Kabata, Kizugawa city, Kyoto pref.; Nishitomigaoka, Nara city, Nara pref.; Higashihata, Ikoma city, Nara pref.

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.)
Ozaki et al. (2000) Geology of the Nara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 162p. (in Japanese with English abstract 5p.)