[ Top ] [ Japanese ]

Ryozen Formation

• Coherent formation
• Late Cretaceous, Turonian (ca. 90 Ma)

• Lithofacies: Clastic rocks

• Lower limit: Unconformity (Hikata Unit, Chokai Unit)

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

• Distribution: Notsuharu, Oita city, Oita pref.

• Fujii et al. (2008) Jour. Geol. Soc. Japan, vol.114, no.3, pp.127-140 DOI