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Tokachimitsumata Formation

• Coherent formation
• Pleistocene (0.3 Ma)

• Sedimentary facies: Lacustrine

• Upper limit: Unconformity? (Nipesotsu volcanic products, Maruyama volcanic products)
• Lower limit: Unconformity? (Gunkanyama Lava)

• Distribution: Tokachimitsumata basin, Kamishihoro city, Kato county, Hokkaido

• Ishii et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.7, pp.348-365 DOI