Kaigake Member

[ Top ] [ Japanese ]

Kaigake Member Suzuka, 1948

Type locality: Yakushimae bridge, Kaigake, Hino city, Gamo county, Shiga prefecture
Coherent formation
Pliocene
Correlation: Sayama Formation

Sedimentary facies: Terrestrial
Lithofacies: Sand-dominant interbedded sands, silt and clay
Lithofacies (Minor): Sands, Gravels

Thickness: ca. 20 - 170 m
Upper limit: Bottom of the thick clay bed intercalating Kaigake Tephra.
Upper limit: Conformity (Hazama Clays Member), Unconformity (Sasaotoge Formation)
Lower limit: Conformity (Kaigakeike Member)

Koka Formation (Kaigake, Shiga pref.)
[ Upper ]
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Kaigake 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: Kaigake - Lake Kaigakeike - Minamisunagawa river - Kamikomazuki - Sasaotoge pass, Hino city, Gamo county, Shiga pref.
Tephra: Yubune, Ichino, Masugi, Isoo I, Isoo II, Sagami I, Sagami II, Iwamuro I, Iwamuro II, Kosaji, Sunakawa

Miyamura et al. (1981) Geology of the Kameyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 128p. (in Japanese with English abstract 9p.)