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Kol Tephra

Abbr.: Kol

• Tephra
• Pliocene (2.4 Ma, FT)

• Lithofacies: Pumiceous tephra

• Thickness: ca. 25 cm
• Host: Komiya Formation

• Distribution: Haijima town, Akishima city, Tokyo

• Ueki and Sakai (2007) Geology of the Ome District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 189p. (in Japanese with English abstract 5p.)