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Yamaguchi caldera

Invalid synonym: Yamaguchi cauldron

• Type locality: Yamaguchi city, Yamaguchi prefecture
• Volcanic rocks
• 2 stage piston cylinder-type collapse
• Cretaceous
• Intruded in: Miyano Formation, Suo Metamorphic Rocks, Kanmon Group

• Distribution (Major axis): 15 km
• Distribution (Minor): 13 km

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

• Distribution: Yamaguchi city, Yamaguchi pref.

• Imaoka et al. (2019) Jour. Geol. Soc. Japan, vol.125, no.7, pp.529-553 DOI
• Kishi et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.9, pp.479-491 DOI