Ofuku Member

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Ofuku Member (Ishida et al., 1954) Waita et al., 2013

Invalid synonym: Sekinotsu Gravels Member

Type locality: Ofuku, Ujitawara city, Tsuzuki county, Kyoto prefecture
Coherent formation
Pliocene - Pleistocene
Correlation: Shigaraki Gravels Member

Sedimentary facies: Fluvial, Lacustrine
Paleo-river system: Ofuku - Inuuchitoge pass - Wazuka town
Lithofacies: Gravels
Sedimentary structures: Upward fining, Imbricate structure
Paleocurrent: from North to South

Thickness: ca. 20 - 60 m
Upper limit: Conformity (Otonoyama Formation)
Lower limit: Unconformity (Okuyamada Formation, Granitoids, Tamba Belt)

Tomigaoka Formation (Shiga pref. - Kyoto pref.)
[ Upper ]
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Ofuku Member
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[ Lower ]

Osaka Group (Yawata, Kyoto pref.)
[ Upper ]
~~~~~~~~~~~~~~
Shodai Formation
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Seika Formation
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Tanabe Formation
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Tomigaoka Formation
~~~~~~~~~~~~~~
[ 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: Ofuku - Okuyamada - Yuyadani, Ujitawara city, Tsuzuki county, Kyoto pref., Sekinotsu, Otsu city, Shiga pref.; Ryumon - Odawara, Oishi, Otsu city, Shiga pref.

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.)
Ishida et al. (1984) Geology of the Hikone-Seibu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 121p. (in Japanese with English abstract 6p.)