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Ikudo Formation Kano et al., 1988

• Type locality: Ikudo, Oyama city, Sunto county, Shizuoka prefecture
• Coherent formation
• Holocene
• Correlation: Lower Tama Roam

• Sedimentary facies: Fluvial
• Lithofacies: Gravels, Water-laied ash

• Thickness: 500 m
• Lower limit: Conformity (Shiozawa Formation), Interfingered (Old Somma Deposit of Hakone volcano)

• Distribution: Sukima, Yamakita city, Ashigarakami county, Kanagawa pref.; Ikudo - Otobuchi, Oyama city, Sunto county, Shizuoka pref.

• Odawara et al. (2011) Jour. Geol. Soc. Japan, vol.117, Supplement, pp.135-152 DOI