Upper Member

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Upper Member Miyamura et al., 1981

Type locality: Onbebashi bridge, Onbagawa river, Kameyama city, Mie prefecture
Coherent formation
Pliocene - Pleistocene

Sedimentary facies: Sandy channel/Sand bar deposit, Floodplain/marsh deposit, Flooding flow/natural levee deposit, Crevasse splay/Crevasse channel deposit
Lithofacies: Mudstone-dominant interbedded mudstone, siltstone, and sandstone

Thickness: ca. 250 - 400 m
Lower limit: Bottom of Nagasawa Tephra
Lower limit: Transitional (Sakuramura Formation), Conformity (Tomari Formation)
Lower limit: Upper of Chomyoji II Tephra
Lower limit: Conformity (Middle Member)

Kameyama Formation
[ Upper ]
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Upper Member
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Middle Member
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Lower Member
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[ Lower ]

Tokai Group (Kameyama, Mie pref.)
[ Upper ]
?--?--?--?--?-
Sakuramura Formation
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Kameyama Formation
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Kusuhara Formation
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Saigyodani Formation
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Oyama Formation
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Matsusaka Formation
?--?--?--?--?-
[ Lower ]

Second Setouchi Supergroup (Mie pref. - Aichi pref.)
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Tokai Group
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[ 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: Onbebashi bridge, Onbagawa river, Kameyama city, Mie pref.; Suzuka circuit - Kida town - Kishioka town - Takatsuka town - Kasado, Suzuka city, Mie pref.
Tephra: Terakawa Tephra, Reiho Tephra, Onbekawa Tephra

Yoshida (1984) Geology of the Yokkaichi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 81p. (in Japanese with English abstract 5p.)
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.)