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Konosuyama Formation (Masuda, 1954) Yoshikawa, 2002
Invalid synonym: Anamizu Formation, Shirasakayama Andesite, Kakuma Andesite, Kakuma Volcanic Rocks
- Type locality: Mount Koshuzan, Wajima city, Ishikawa prefecture
- Volcanic rocks
- Oligocene (29 Ma or earlier)
- Intruded by: Shinobu Diorite, Orthopyroxene clinopyroxene andesite dykes, Olivine clinopyroxene orthopyroxene basalt - andesite dykes
- Sedimentary facies: Terrestrial
- Lithofacies (Top): Conglomerate
- Lithofacies: Orthopyroxene clinopyroxene andesite lava, Olivine clinopyroxene orthopyroxene basalt - andesite lava
- Lithofacies (Minor): Conglomerate, Tuffaceous sandstone, Volcanic breccia, Lapilli tuff, Tuff breccia, Dacite - Andesite pyroclastic rocks
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mount Koshuzan, Wajima city, Ishikawa pref.; Nakasai - Tome - Uchiura, Noto city, Hosu county, Ishikawa pref.
- Fossils: Pollen
- Kano (2018) Jour. Geol. Soc. Japan, vol.124, no.10, pp.781-803 DOI
- Yoshikawa et al. (2002) Geology of the Suzumisaki, Noto-iida and Horyuzan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 76p. (in Japanese with English abstract 4p.)