Ikaruga Member

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Ikaruga Member Yoshida et al., 1991

Type locality: Ikaruga town, Yokkaichi city, Mie prefecture
Coherent formation
Fluvio-lacustrine basin including Lake Tokai
Pliocene - Pleistocene

Sedimentary facies: Fluvial, Lacustrine
Lithofacies: Sands-dominant interbedded sands, silt, and clay
Sedimentary structures: Cross stratification

Thickness: ca. 60 - 80 m
Upper limit: Unconformity (Chikarao Formation)

Oizumi Formation
[ Upper ]
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Betsumei Member
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Ikaruga Member
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Tarusaka Member
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Yamanoisshiki Member
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Akatsukidai Member
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[ Lower ]

Tokai Group (Inabe, Mie pref.)
[ Upper ]
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Komeno Formation
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Oizumi Formation
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Ichinohara Formation / Kuragari Formation
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Kono Formation
'''''''/,,,,,,
Biroku Formation
~~~~~~~~~~~~~~
[ Lower ]

Tokai Group (Mount Gozaishoyama, Mie pref.)
[ Upper ]
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Komeno Formation
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Oizumi Formation
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Tashidagawa Formation
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Kono Formation
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Ishigure Formation
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Biroku Formation
~~~~~~~~~~~~~~
[ Lower ]

Second Setouchi Supergroup (Mie pref. - Aichi pref.)
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Tokai Group
~~~~~~~~~~~~~~

[ Upper ]
~~~~~~~~~~~~~~
Second Setouchi Supergroup
?--?--?--?--?-
First Setouchi Supergroup
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Ikaruga town, Yokkaichi city, Mie pref.
Tephra: Minamitarusakacho Tephra

Yoshida et al. (1991) Geology of the Kuwana District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 154p. (in Japanese with English abstract 5p.)