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Invalid synonym: Sawando Belt
- Type locality: Sawando, Azumi, Matsumoto city, Nagano prefecture
- Accretionary complex
- Accretion: Jurassic
- Correlation: Kamiaso Unit
- Sedimentary facies: Marine
- Lithofacies: Coherent facies (Chert-clastic sequence)
- Lithofacies: Repeats of the following sequence from lower level: Siliceous clay rocks - Chert - Tuffaceous siltstone - Siliceous mudstone - Mudstone - Interbedded sandstone and mudstone.
- Upper limit: Thrust fault
- Lower limit: Thrust fault
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mount Chogadake - Mount Kasumizawa, Matsumoto city, Nagano pref.
- Harayama (2015) Jour. Geol. Soc. Japan, vol.121, no.10, pp.373-389, DOI
- Yamakita and Otoh (2000) Structural Geology, vol.44, pp.5-32