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Haboro Formation

• Coherent formation
• Paleogene

• Sedimentary facies: Marine, Fluvial
• Lithofacies (Main): Sandstone
• Lithofacies (Minor): Coal, Tuff

• Upper limit: Disconformity (Sankebetsu Formation)
• Lower limit: Angular unconformity (Hakobuchi Formation)

• Distribution: Miginosawa creek, Haboro river, Haboro city, Tomamae county, Hokkaido

• Takashima et al. (2018) Jour. Geol. Soc. Japan, vol.124, no.6, pp.381-398 DOI
• Kawabe and Okamoto (2012) Jour. Geol. Soc. Japan, vol.118, no.12, pp.769-781 DOI