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Akandana volcano

• Type locality (Somma lava): 1,580 m above sea level, route 158, Abodaira, Okuhidaonsengo, Takayama city, Gifu prefecture
• Volcanic rocks
• Holocene (10 ka or later)
• Somma: Holocene (up to 6,460 yBP, ¹⁴C)

• Sedimentary facies: Lava dome, Lava
• Lithofacies (Somma lava): Biotite augite-bearing hornblende hypersthene dacite block lava

• Thickness (Somma lava): 0 - 300 m
• Lower limit (Somma lava): Abut unconformity (Mino Belt)

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

• Distribution: Abodaira, Okuhidaonsengo, Takayama city, Gifu pref.

• Oikawa et al. (2010) Jour. Geol. Soc. Japan, vol.116, Supplement, pp.49-61 DOI
• Harayama (1990) Geology of the Kamikochi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 175p. (in Japanese with English abstract 11p.)