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Hatta Tephra

• Type locality: Hatta, Minakuchi town, Koka city, Shiga prefecture
• Tephra
• Pleistocene

• Lithofacies: Volcanic ash
• Sedimentary structures: Trough cross-stratification, Parallel stratification

• Thickness: 30 - 35 cm
• Host: Yokigaoka Clays Member

• Distribution: Hatta, Minakuchi town, Koka city, Shiga pref.

• Yoshida et al. (2003) Geology of the Omi-Hachiman District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 72p. (in Japanese with English abstract 3p.)