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Komadegawa-biotite Tephra Kudo et al., 2011
Abbr.: Kbi
- Type locality: Komade river, Kitaimogawa, Shitada, Sanjo city, Niigata prefecture
- Tephra
- middle Miocene (14.6 Ma, FT)
- Correlation: Muro Pyroclastic Flow Deposit, Kn-1
- Distribution: Komade river, Kitaimogawa, Shitada, Sanjo city, Niigata pref.
- Kudo et al. (2011) Geology of the Kamo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 162p. (in Japanese with English abstract 4p.)
- Kudo et al. (2011) Jour. Geol. Soc. Japan, vol.117, no.5, pp.277-288 DOI