[ Top ] [ Japanese ]

Am40 Tephra

Abbr.: Am40

• Tephra
• Miocene (8.5 Ma, FT)

• Lithofacies: Tuff

• Host: Kominato Tuff Member

• Distribution: Chiba pref.

• Nakajima and Watanabe (2005) Geology of the Futtsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 102p. (in Japanese with English abstract 8p.)