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Toyohashi Formation (Kuroda, 1958)
- Type locality: Ikobe town, Toyohashi city, Aichi prefecture
- Coherent formation
- middle Pleistocene (MIS 9)
- Sedimentary facies (Top): Seashore
- Sedimentary facies (Upper): Offshore - Shoreface facing open sea
- Sedimentary facies (Lower): Drowned valley - Small bay
- Sedimentary facies (Bottom): Fluvial
- Lithofacies: Gravels, Sands, Mud
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Ikobe town - Takatsuka town - Tenpakudai - Takashibara terrace - Tahara terrace, Toyohashi city, Aichi pref.; west coast of Lake Hamana, Kosai city, Shizuoka pref. - Atsumi peninsula, Aichi pref.
- Tephra: Ikb-1
- Nakashima et al. (2008) Geology of the Toyohashi and Tahara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 113p. (in Japanese with English abstract 3p.)
- Nakashima et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.2, pp.70-79 DOI