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Unit 1

• Accretionary complex
• early Paleogene

• Sedimentary facies: Marine
• Lithofacies: A unit of the oceanic plate stratigraphy with basalts at the basement

• Lower limit: Aki Tectonic Line

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

• Distribution: Furumugi, Mugi city, Kaifu county, Tokushima pref.
• Fossils (Ammonoids): Gaudryceras (Vertebrites) cf. kayei

• Tsujino et al. (2010) Jour. Geol. Soc. Japan, vol.116, no.12, pp.680-685 DOI
• Yamaguchi et al. (2009) Jour. Geol. Soc. Japan, vol.115, Supplement, pp.21-36 DOI