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Yamaga Complex
- Type locality: Yuragawa river - Kanbayashigawa river, Yamaga, Ayabe city, Kyoto prefecture
- Type locality: Yuragawa river, Nishibara town - Wagi town, Ayabe city, Kyoto prefecture
- Accretionary complex
- Correlation: Tada Complex, Mimata Complex, Kowaki Complex
- Sedimentary facies: Marine
- Lithofacies: Mélange facies
- Matrix: Slate, Mudstone
- Exotic blocks (Slabs): Interbedded sandstone and shale, Chert, Greenstones
- Yamaga Complex
- [ Upper ]
- /--/--/--/--/-
- Tano Unit
- /--/--/--/--/-
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Yuragawa river - Kanbayashigawa river, Yamaga, Ayabe city, Kyoto pref.; Yuragawa river, Nishibara town, Ayabe city, Kyoto pref.; Wagi town - Tano town, Ayabe city, Kyoto pref.
- Kimura et al. (1989) Geology of the Ayabe District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 104p. (in Japanese with English abstract 5p.)