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Imakuma Tephra

• Tephra
• Pleistocene
• Correlation (Imakuma I): Hkd1

• Lithofacies: Volcanic ash

• Host: Upper part of Osaka Group

• Distribution: Osaka pref.

• Ozaki et al. (2000) Geology of the Nara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 162p. (in Japanese with English abstract 5p.)