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Kasagoshi Pyroclastic Rocks Akahane et al., 1992
- Type locality: Matsuone ridge, Yamanouchi city, Shimotakai county - Takayama city, Kamitakai county, Nagano prefecture
- Volcanic rocks
- late Miocene
- Intruded by: Kasadake Volcanic Rocks
- Lithofacies: Basaltic - Andesitic lava, Tuff breccia, Tuff
- Sedimentary structures: Parallel stratification, Graded bedding
- Thickness: ca. 300 m
- Upper limit: Unconformity (Kamiike Volcanic Rocks)
- Lower limit: Unconformity (Diorite porphyry, Porphyrite)
- Distribution: Matsuone ridge - Mount Kasagatake, Yamanouchi city, Shimotakai county - Takayama city, Kamitakai county, Nagano pref.
- Akahane et al. (1992) Geology of the Nakano District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 106p. (in Japanese with English abstract 4p.)