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Izuruha Acidic Rocks

Invalid synonym: Izuruha Plutonic Rocks

• Ring dike by the 1st collapse of the caldera
• Intrusive rocks
• Cretaceous

------ 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