[ Top ] [ Japanese ]
Somma
- Type locality: Mount Hiruzen, Okayama prefecture - Tottori prefecture
- Volcanic rocks
- Pleistocene
- Somma
- [ Upper ]
- ~~~~~~~~~~~~~~
- Isei Lava
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mount Hiruzen, Okayama pref. - Tottori pref.
- Ota (1962) Akasaki & Daisen, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 37p. (in Japanese with English abstract 3p.)