[ Top ] [ Japanese ]

CGS 1 Tephra

Abbr.: CGS 1

• Tephra
• Pliocene (2.9 - 2.8 Ma)
• Correlation: Arg-2, Habutaki I Tuff (Osaka Group), MT2

• Lithofacies: Vitreous tephra

• Thickness: 2 - 5 cm
• Host: Tomoda Formation

• Distribution: Chigase town - Kabe town, Ome 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.)