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Toro Member (Okazaki et al., 1966)

Invalid synonym: Toro Formation

• Type locality: Lake Toro, Shibecha city, Kawakami county, Hokkaido
• Coherent formation
• early Pleistocene

• Sedimentary facies: Marine
• Sedimentary facies: Delta
• Lithofacies: Sand, Gravel
• Lithofacies (Basal): Gravel (Andesite, Welded tuff)
• Sedimentary structures: Cross-stratification

• Thickness: 30 m
• Lower limit: Lithofacies boundary (less volcaniclastics than Takkobu Formation and no fossils of family Laganidae.)

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

• Distribution: Lake Toro, Shibecha city, Kawakami county, Hokkaido; Otanoshike, Kushiro city, Hokkaido; Hororo river, Nakahororo, Tsurui city, Akan county, Hokkaido
• Fossils: Diatoms (Freshwater), Shellfishes (Cold current)

• Hasegawa et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.12, pp.686-699 DOI