[ Top ] [ Japanese ]

Nm7 Tephra

Abbr.: Nm7

• Tephra
• Pleistocene

• Lithofacies: Tuff

• Host: Namihana Formation

• Distribution: Chiba pref.

• Utsunomiya and Ooi (2019) Geology of the Kazusa-Ohara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 127p. (in Japanese with English abstract 4p.)