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Middle Member Miyamura et al., 1981

• Type locality: Tsubakikawa 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 (Upper): Mudstone-dominant interbedded mudstone, siltstone, and sandstone
• Lithofacies (Middle): Sands, Gravels
• Lithofacies (Lower): Mudstone-dominant interbedded mudstone, siltstone, and sandstone

• Thickness: ca. 400 m
• Upper limit: Bottom of Chomyoji II Tephra
• Upper limit: Conformity (Upper Member)
• Lower limit: Top of Nomura Tephra
• Lower limit: Conformity (Middle Member)

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

• Distribution: Tsubakikawa river, Kameyama city, Mie pref.; Kodai - Lake Fukadaniike, Suzuka city, Mie pref.
• Tephra: Haradagawa Tephra, Chomyoji I 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.)