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Nobi Formation Furukawa, 1972

Invalid synonym: Nohbi Formation, Lower sandstone member of Nanyo Formation

• Coherent formation
• Allered trasgression deposit (Nobi transgression deposit)
• Pleistocene (30 - 20 ka)
• Correlation: Ozone Formation, Isekambe Formation

• Sedimentary facies: Freshwater, Brackish
• Sedimentary facies: Tidal flat, Tidal river
• Lithofacies: Interbedded sands and mud
• Lithofacies (Minor): Peaty clay, vivianite spots

• Thickness: 2 - 20 m
• Upper limit: Unconformity (Nanyo Formation)

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

• Distribution: Nobi plain, Aichi pref.
• Fossils: Corbicula sp.

• Hori et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.1, pp.73-85 DOI
• Makinouchi et al. (2013) Jour. Geol. Soc. Japan, vol.119, no.5, pp.335-349 DOI
• 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.)
• Sakamoto et al. (1986) Geology of the Nagoya-Nambu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 55p. (in Japanese with English abstract 3p.)
• Sakamoto et al. (1984) Geology of the Nagoya-Hokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 64p. (in Japanese with English abstract 3p.)
• Takada et al. (1979) Geology of the Tsushima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 56p. (in Japanese with English abstract 5p.)