[ Top ] [ Japanese ]
Nakao Formation Harayama, 1978
- Type locality: Ashiaraizawa creek - Sodegadani valley, Nakao, Okuhidaonsengo, Takayama city, Gifu prefecture
- Volcanic rocks
- Late Cretaceous
- Thickness: 800 m or thicker
- Upper limit: Conformity (Kasadani Formation)
- Lower limit: Unconformity (Mafic intrusive rocks)
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Nakao - Nabedaira - Kuriyadani valley - Karukaya hotspring, Okuhidaonsengo, Takayama city, Gifu pref.
- Harayama et al. (1991) Geology of the Yarigatake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 190p. (in Japanese with English abstract 8p.)
- Harayama (1990) Geology of the Kamikochi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 175p. (in Japanese with English abstract 11p.)