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Ekakedani Pyroclastic Flow Deposit Harayama, 1990

• Type locality: Ekakedani valley, Okuhidaonsengo, Takayama city, Gifu prefecture
• Tephra
• Pleistocene

• Sedimentary facies: Pyroclastic flow deposit (more than 9 flow units)
• Lithofacies: Biotite hypersthene hornblende dacite
• Lithofacies (Minor): Biotite hypersthene hornblende andesite
• Sedimentary structures: Radial joints

• Thickness: 100 m
• Lower limit: Abut unconformity (Shirataniyama Dome Lava I, Odana Lava, Hosoike Dome Lava)

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

• Distribution: Ekakedani valley, Okuhidaonsengo, Takayama city, Gifu pref.

• Harayama (1990) Geology of the Kamikochi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 175p. (in Japanese with English abstract 11p.)