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Soyo Formation

• Coherent formation
• Late Cretaceous, Cenomanian (ca. 100 Ma)

• Lithofacies: Clastic rocks

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

• Distribution: Oita pref.

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