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Yk3 Tephra Nakasato, 1993

Abbr.: Yk3

• Tephra
• Pleistocene
• Correlation: TAm-5

• Lithofacies: Pumice

• Host: Yokota Formation
• Thickness: 1 m

• Distribution: Sugao, Kisarazu city, Chiba pref.

• 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.)