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Okueyama Volcanic Complex

Synonym: Okueyama Volcano-plutonic Complex

• Okueyama caldera, Sobo caldera, Katamukiyama caldera
• Volcanic rocks
• Sobo caldera: middle Miocene (12.8, 12.7, 12.4 Ma, K-Ar)
• Okueyama caldera: middle Miocene (13.8, 13.7 Ma, K-Ar)

• Lithofacies: Rhyolite, Rhyolitic volcaniclastics, Dacite, Dacitic volcaniclastics, Andesite, Felsic rocks, Granite, Granodiorite, Granite porphyry

• Distribution: Miyazaki pref.

• Miura and Wada (2007) Jour. Geol. Soc. Japan, vol.113, no.7, pp.283-295 DOI