Izuruha Acidic Rocks

Invalid synonym: Izuruha Plutonic Rocks

Ring dyke by the 1st collapse of the caldera
Intrusive rocks
Cretaceous

Older ring dyke
?--?--?--?--?-
Izuruha Acidic Rocks
?--?--?--?--?-
Katsuragadake Granite Porphyry
?--?--?--?--?-

Yamaguchi caldera
[ Upper ]
?--?--?--?--?-
Younger ring dyke
~~~~~~~~~~~~~~
Older ring dyke
~~~~~~~~~~~~~~
Zenjojiyama body / Hirano body
~~~~~~~~~~~~~~
[ Lower ]

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

Distribution: Yamaguchi city, Yamaguchi pref.

Kishi et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.9, pp.479-491 DOI