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Kaminagawa Formation

• Coherent formation
• Pleistocene

• Lithofacies: Sands and gravels

• Upper limit: Unconformity (Toya Pyroclastic Flow Deposit)
• Lower limit: Unconformity (Osarugawa Tephra)

• Distribution: Iburi region, Hokkaido

• Ganzawa et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.9, pp.470-478 DOI