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Sequence III

Invalid synonym: Stage II

• Volcanic rocks
• Caldera
• Late Cretaceous - Paleogene (ca. 75 Ma; 83 - 66 Ma, Rb-Sr)
• Intruded by: Kiyomi Granodiorite Porphyry, Granodiorite porphyry

• Lithofacies: Pyroclastic flow deposit
• Lithofacies: Rhyolite welded tuff

• Thickness: 1,500 m or thicker

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

• Distribution: Gifu pref. - Fukui pref. - Toyama pref.

• Yamada and Kobayashi (1988) Geology of the Ontakesan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 136p. (in Japanese with English abstract 9p.)
• Kawada et al. (1988) Geology of the Hagiwara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 82p. (in Japanese with English abstract 10p.)
• Yamada et al. (1985) Geology of the Takayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 111p. (in Japanese with English abstract 9p.)
• Kawada (1982) Geology of the Mikkamachi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 72p. (in Japanese with English abstract 6p.)