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Km7 Tephra Tokuhashi and Endo, 1984

Abbr.: Km7

• Tephra
• Pleistocene

• Lithofacies: Pumice
• Lithofacies (Basal): Scoria

• Host: Kamiizumi Formation
• Thickness: ca. 10 - 30 cm
• Thickness (Basal): ca. 0 - 3 cm

• Distribution: Kawaharai, Sodegaura city, Chiba pref.

• Tokuhashi and Endo (1984) Geology of the Anesaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 136p. (in Japanese with English abstract 6p.)