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Hoshikusotoge Pumice Flow Deposit Sugihara and Danhara, 2007

• Volcanic rocks
• early Pleistocene (0.87 Ma)

• Sedimentary facies: Terrestrial
• Lithofacies: Foaming ryolitic pumice, Non-foaming rhyolite, Obsidian

• Upper limit: Unconformity
• Lower limit: Unconformity

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

• Distribution: 1,300 - 1,400 m above sea level, Sannomata creek, Wada, Nagawa city, Chiisagata county, Nagano pref.

• Makino et al. (2015) Jour. Geol. Soc. Japan, vol.121, no.7, pp.249-260, DOI