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Yamasaki Formation

• Accretionary complex
• Cretaceous

• Sedimentary facies: Marine
• Lithofacies: Shale
• Lithofacies (Minor): Sandstone

• Upper limit: Thrust fault (Kazeya Formation)

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

• Distribution: Totsukawa river, Iwamura, Totsukawa city, Yoshino county, Nara prefecture

• Shiida et al. (1989) Geology of the Sanjogatake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 100p. (in Japanese with English abstract 5p.)