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Oboke Unit Aoki, 2019
- Type locality: Oboke, Yamashiro town, Miyoshi city, Tokushima prefecture
- Deposition: Late Cretaceous (80 Ma, U-Pb)
- Accretion: Late Cretaceous - Paleogene (80 - 60 Ma, U-Pb)
- Correlation: lower Minawa Formation
- Sedimentary facies: Trench-fill deposits, Hemi-pelagic sediments
- Metamorphic facies: Glaucophane, Epidote-Amphibolite, Eclogite
- Lithofacies: Pelitic schist, Green schist, Siliceous schist
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: central Shikoku
- Aoki et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.2, pp.183-194 DOI