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Norosan Welded Tuff
- Type locality: Kawajiri town - Mount Norosan, Kure city, Hiroshima prefecture
- Volcanic rocks
- Late Cretaceous
- Intruded by: Hiroshima Granites
- Lithofacies: Rhyolite crystalline welded tuff
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mount Haigamine - Mount Norosan - Mount Akozaka - Kawajiri town - Nikyukyo valley, Kure city, Hirosihma pref.
- 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.)
- Higashimoto et al. (1985) Geology of the Kure District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 93p. (in Japanese with English abstract 6p.)