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Ky3 Tephra

Abbr.: Ky3

• Tephra
• Pleistocene
• Correlation: DP, TB-8

• Lithofacies: Pumice
• Lithofacies (Minor): Scoria, Lithic fragments

• Host: Kiyokawa Formation
• Thickness: 10 cm

• Distribution: Chiba pref.; Saitama pref.

• Nakazawa and Tanabe (2011) Geology of the Noda District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 72p. (in Japanese with English abstract 3p.)
• Komatsubara et al. (2004) Geology of the Kisarazu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 64p. (in Japanese with English abstract 3p.)