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Nishihama Bed

Synonym (Upper): Tonden Mud

• Type locality: Ishikari plain, Hokkaido
• Coherent formation
• Pleistocene - Holocene

• Sedimentary facies (Top): Brackish
• Sedimentary facies (Lower): Fluvial
• Sedimentary facies (Upper): Inland bay
• Sedimentary facies (Lower): Gravelly river, Meandering river
• Lithofacies (Upper): Mud
• Lithofacies (Lower): Gravel, Sand

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

• Distribution: Kawashimo, Tobetsu city, Ishikari county, Hokkaido

• Kawakami et al. (2012) Jour. Geol. Soc. Japan, vol.118, no.4, pp.191-206 DOI