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Sugizaki Formation Kondo in Oishi, 1933

Invalid synonym: Sugizaki Sandstone

• Type locality: Sugizaki, Furukawa town, Hida city, Gifu prefecture
• Coherent formation
• Late Jurassic, Tithonian - Early Cretaceous, Berriasian
• Contemporaneous heterotopic facies: Tochio Formation

• Sedimentary facies: Shallow marine
• Lithofacies: Arkose sandstone
• Lithofacies (Minor): Mudstone, Conglomerate

• Thickness: 230 m or thicker
• Upper limit: Conformity (Taie Formation)
• Lower limit: Conformity (Numamachi Formation)

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

• Distribution: Shimono - Nakano, Furukawa town, Hida city, Gifu pref.; Henpe valley - Kurabashira river, Kamitakara town, Takayama city, Gifu pref.; Arashiro river - Kiridani river - Yokamachi - Nishimonzen, Kokufu town, Takayama city, Gifu pref.
• Fossils: Ammonoids, Belemnoids, Echinoids
• Fossils (Bivalves): Inoceramus maedae, Nipponitrigonia furukawensis, Nuculana sp.

• Matsukawa et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.8, pp.417-437 DOI