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Suiendani Source Vent Harayama, 1987

• Type locality: Suiendani valley, Hidarimatadani valley, Gamatagawa river, Kamitakara town, Takayama city, Gifu prefecture
• Volcanic rocks
• One of vents of Okuhida Pyroclastic Flow Deposit
• Pleistocene (0.63 Ma, FT)
• Intruded in: Okumarusawa Granite, Takidani Granodiorite

• Sedimentary facies: Volcanic neck
• Lithofacies: Hypersthene hornblende biotite granite porphyry
• Lithofacies (Minor): Rhyolite tuff, Welded tuff, Biotite hornblende augite dacite - andesite tuff

• Distribution (Major axis): ca. 600 m
• Distribution (Minor axis): ca. 500 m

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

• Distribution: Hidarimatadani valley - Suiendni valley, Gamatagawa river, Kamitakara town, Takayama city, Gifu pref.

• Harayama et al. (1991) Geology of the Yarigatake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 190p. (in Japanese with English abstract 8p.)
• Harayama (1990) Geology of the Kamikochi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 175p. (in Japanese with English abstract 11p.)
• Kato et al. (1989) Geology of the Omachi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 111p. (in Japanese with English abstract 7p.)