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Shiramizudani Pyroclastic Rocks (Harayama, 1990)

Invalid synonym: Shiramizudani Debris Flow Deposit

• Type locality: 1,300 m above sea level, Shiramizudani valley, Ashiaraidani valley, Okuhidaonsengo, Takayama city, Gifu prefecture
• Volcanic rocks
• Pleistocene

• Lithofacies: Biotite olivine-bearing augite hornblende hypersthene andesite breccia

• Upper limit: Unconformity (Kurotani Lava, Nakaotoge Lava, Nakao Pyroclastic Flow Deposit)
• Lower limit: Unconformity (Mino Belt, Okumarusawa Granite)

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

• Distribution: Shiramizudani valley - Shiramizunotaki fall - Iozawa creek, Ashiaraidani 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.)