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Odana Lava Kobayashi

• Type locality: 1,250 m above sea level, Iwatsubodani valley - 1,400 m above sea level, Ekakedani valley, Okuhidaonsengo, Takayama city, Gifu prefecture
• Volcanic rocks
• Pleistocene (121.5 ka)

• Sedimentary facies: Terrestrial
• Lithofacies: Biotite olivine-bearing hornblende augite hypersthene andesite lava (more than 2 flow units
• Lithofacies (Basal): Clinker
• Sedimentary structures: Coloumnar joint

• Thickness (Basal): ca. 2 m
• Upper limit: Abut unconformity (Ekakedani Pyroclastic Flow Deposit)
• Lower limit: Unconformity (Okuhida Pyroclastic Flow Deposit, Fukadani Debris Flow Deposit, Upper pyroclastic flow deposit, Warudaniyama Lava, Odana Pyroclastic Flow Deposit, Odana Conglomerate)

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

• Distribution: Mount Iwatsuboyama - Iwatsubodani valley - Ekakedani valley, 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.)