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Nadegi Pyroclastic Flow Deposit

• Tephra
• Miocene
• Correlation: Koyasawa Pyroclastic Flow Deposit?

• Sedimentary facies: Terrestrial
• Lithofacies: Pyroclastic flow deposit
• Lithofacies: Dacitic pumice lapilli tuff
• Lithofacies (Minor): Charcoal

• Host: Fujitoge Formation
• Thickness: ca. 4 m

• Distribution: northwestern Aizu basin, Fukushima pref.

• Yamamoto et al. (2006) Geology of the Kitakata District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 63p. (in Japanese with English abstract 5p.)