[ Top ] [ Japanese ]

Tomidahama Formation Akamine, 1962

• Coherent formation
• Jomon transgressive deposit
• Holocene
• Correlation: top - upper Nanyo Formation

• Sedimentary facies (Top): Interbarnal lowland, Flood plain
• Sedimentary facies (Upper): Natural levee, Ridge, Interbarnal lowland, River bed, Sand dune
• Lithofacies (Top): Clay, Silt
• Lithofacies (Top, Minor): Sands, Gravels
• Lithofacies (Upper): Sands, Gravels

• Thickness (Top): 1 - 3 m
• Thickness (Upper): 5 - 10 m or thicker

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

• Distribution: Mitakigawa river - Utsubegawa river - Suzukagawa river - Kanazawagawa river - Kaizogawa river, Yokkaichi city, Mie pref.

• 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.)
• Yoshida (1987) Geology of the Tsu-Tobu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 72p. (in Japanese with English abstract 5p.)
• Yoshida (1984) Geology of the Yokkaichi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 81p. (in Japanese with English abstract 5p.)