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Higashimata-Funayama Welded Tuff Yamada and Kobayashi, 1988

Invalid synonym: Higashimata Welded Tuff, Funayama Welded Tuff

• Type locality (Higashimata Welded Tuff): Higashimata, Tsukechi town, Nakatsugawa city, Gifu prefecture
• Type locality (Funayama Welded Tuff): Mount Funayama, Kuguno town, Takayama city, Gifu prefecture
• Volcanic rocks
• Caldera
• Late Cretaceous - Paleogene (69.6 Ma, FT)
• Intruded by: Osawayama Body, Nishibora Body, Aoya Arculate Dyke, Okayatani Granodiorite Porphyry, Tochiharatani Granodiorite Porphyry, Okozuritani Granodiorite Porphyry, Sokubotani Granodiorite Porphyry, Kadosaka Granite Porphyry, Sangenyama Granite Porphyry, Granodiorite porphyry, Quartz porphyry dike, Andesite dike, Pyroclastic dikes
• Correlation: Sotsuidani Welded Tuff

• Lithofacies: Rhyolitic dacite welded tuff
• Lithofacies (Minor): Rhyolite welded tuff, Tuff breccia, Hornfels
• Structures: Eutaxitic

• Source: Osaka town, Gero city, Gifu pref.
• Thickness: ca. 200 - 1,000 m or thicker
• Distribution (East - West): ca. 50 m
• Distribution (South - North): ca. 80 m
• Upper limit: Conformity (Akaishi Welded Tuff), Unconformity (Akadani Welded Tuff, Yumoriyama-Kanayama Welded Tuff, Kuzogawa Welded Tuff, Aoya Tuff, Takadaru Welded Tuff, Nyukawa Pyroclastic Flow Deposit)
• Lower limit: Transitional (Sojima Welded Tuff), Unconformity (Sawando Complex, Yamanokuchigawa Welded Tuff, Nishikiyama Welded Tuff, Nakanoshuku Tuff), Abut unconformity (Ako Welded Tuff)

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

• Distribution: Mount Kuraiyama - Miya pass, Ichinomiya town, Takayama city, Gifu pref.; Mount Funayama - Kamigumi - Kobo - Kuchiudodani valley, Kuguno town, Takayama city, Gifu pref.; Futamatagawa river, Asahi town, Takayama city, Gifu pref.; Nakanoshuku - Inohana - Tokugodani valley - Nakabora, Takane town, Takayama city, Gifu pref.; Ishiura town, Takayama city, Gifu pref.; Osaka town - Hagiwara town - Maze - Kanyama town, Gero city, Gifu pref.; Meiho, Gujo city, Gifu pref.; Higashimata, Tsukechi town, Nakatsugawa city, Gifu pref.; Obayashi, Gero city, Gifu pref.

• Wakita and Koido (1994) Geology of the Gero District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 79p. (in Japanese with English abstract 5p.)
• Mizutani and Koido (1992) Geology of the Kanayama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 111p. (in Japanese with English abstract 9p.)
• 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.)