Ichiba Sandstone and Siltstone Member

[ Top ] [ Japanese ]

Ichiba Sandstone and Siltstone Member Yoshida et al., 1995

Type locality: Annogawa river, Ichiba, Geino town, Tsu city, Mie prefecture
Coherent formation
Miocene sediments related to the paleo Setouchi inner sea
early Miocene

Sedimentary facies: Marine
Lithofacies: Siltstone-dominant interbedded siltstone and sandstone
Lithofacies (Minor): Rhyolitic tuff, Coal
Sedimentary structures: Parallel stratification

Thicknes: 100 m or thicker
Lower limit: Transitional (Oshida Conglomerate Member)

Oi Formation (Main part)
[ Upper ]
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Mitsugano Tuffaceous Siltstone and Sandstone Member
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Iedokoro Sandstone Member
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[ Lower ]

Oi Formation (Marginal part)
[ Upper ]
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Mitsugano Tuffaceous Siltstone and Sandstone Member
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Ichiba Sandstone and Siltstone Member
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Kusawa Sandstone and Siltstone Member
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Oshida Conglomerate Member
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Mukodani Conglomerate Member
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[ Lower ]

Ichishi Group
[ Upper ]
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Katada Formation
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Oi Formation
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Ieki Formation
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Haze Formation
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[ Lower ]

First Setouchi Supergroup (Ichishi, Mie pref.)
[ Upper ]
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Ichishi 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: Ichiba - Ujii - Lake Kasaneike, Geino town, Tsu city, Mie pref.
Fossils (Tuff, Plants): Acer nordenskioldi, Betula sp., Clethra maximowiczii, Parrotia pristina, Prunus sp., Ulmus cf. longifolia

Yoshida et al. (1995) Geology of the Tsu-Seibu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 136p. (in Japanese with English abstract 6p.)