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Zuiko Limestone
- Type locality: Zuiko, Asa, Sanyoonoda city, Yamaguchi prefecture
- Seamount-reef complex in the Panthalassa ocean
- Exotic blocks in an accretionary complex
- Lithofacies: Crystalline limestone
- Distribution (East-West): ca. 1.2 km
- Distribution (South-North): ca. 0.5 km
- Akiyoshi Limestone (Onoda)
- [ Upper ]
- /--/--/--/--/-
- Zuiko Limestone
- /--/--/--/--/-
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Zuiko, Asa, Sanyoonoda city, Yamaguchi pref.
- Imaoka et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.7, pp.529-553 DOI