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Yuki Formation Takahashi et al., 1989

• Type locality: Yuki hotspring - Minochigawa river, Hiroshima city, Hiroshima prefecture
• Accretionary complex
• Deposition (Chert): Early Triassic (Conodonts)
• Deposition (Mudstone): Early Jurassic (Radiolarians)
• Accretion: Jurassic (Radiolarians)
• Intruded by: Hiroshima Granites

• Sedimentary facies: Marine
• Lithofacies: Biotite hornfels
• Lithofacies: Gravel-bearing mudstone, Sandstone
• Lithofacies (Minor): Chert, Mafic volcanic rocks

• Thickness: 650 m or thicker

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

• Distribution: Yuki hotspring - Minochigawa river - Awabashira - Wada - Mount Togoyama - Mount Abusan, Hiroshima city, Hiroshima pref.
• Fossils: Radiolarians, Conodonts

• Takagi and Mizuno (1999) Geology of the Kaitaichi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 49p. (in Japanese with English abstract 4p.)
• Takahashi (1991) Geology of the Hiroshima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 41p. (in Japanese with English abstract 3p.)
• Takahashi et al. (1989) Geology of the Tsuda District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 56p. (in Japanese with English abstract 4p.)