Shiratsuchidani Member

[ Top ] [ Japanese ]

Shiratsuchidani Member (Yokoyama et al., 1977) Yamazaki et al., 1996

Type locality: Shiratsuchidani valley, Kuchiki, Takashima city, Shiga prefecture
Coherent formation
Pleistocene (1.07 Ma, FT)

Sedimentary facies: Terrestrial
Lithofacies: Silt, Sands
Lithofacies (Basal): Breccia, Sands

Thickness: ca. 20 - 30 m
Upper limit: Unconformity (Higher Terrace Deposits)
Lower limit: Unconformity (Tamba Belt)

Takashima Formation
[ Upper ]
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Akatsukikaido Member
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Inoguchi Member
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Shiratsuchidani 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: Adogawa river - Miyamaebo - Shiratsuchidani valley, Kuchiki, Takashima city, Shiga pref.
Fossils (Pollen): Glyptostrobus sp., Menyanthes sp., Metasequoia sp.
Tephra: Shiratsuchidani Ash Layer

Nakae and Yoshioka (1998) Geology of the Kumagawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 71p. (in Japanese with English abstract 4p.)
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.)