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Kurobishiyama Formation (Kobayashi et al., 1957) Takeuchi et al., 2015

• Type locality: Upper reaches of Sasa river, Asahi city, Toyama prefecture
• Coherent formation
• Early Cretaceous, Aptian (U-Pb)

• Lithofacies (Main): Conglomerate, Sandstone
• Lithofacies (Minor): Mudstone
• Lithofacies (Bottom): Tuffaceous

• Thickness: 630 m
• Upper limit: Unconformity (Oyashirazu Formation, Uchiyama Formation)
• Lower limit: Conformity

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

• Distribution: Sakai river - Sasa river, Asahi city, Toyama pref.

• Takeuchi et al. (2015) Jour. Geol. Soc. Japan, vol.121, no.7, pp.193-216, DOI
• Takeuchi et al. (2015) Jour. Geol. Soc. Japan, vol.121, no.1, pp.1-17 DOI