[ Top ] [ Japanese ]

Waniguchi Formation (Fujimoto, 1951) Nagamori et al., 2018

Invalid synonym: Waniguchi Andesite

• Type locality: Itoigawa hotspring - Imai bridge, Itoigawa city, Niigata prefecture
• Volcanic rocks
• Miocene
• Contemporaneous heterotopic facies: Sennozawa Formation

• Lithofacies: Basalt tuff breccia

• Thickness: 70 m or thicker

• Distribution: Itoigawa hotspring - Imai bridge, Itoigawa city, Niigata pref.

• Nagamori et al. (2018) Geology of the Itoigawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 75p. (in Japanese with English abstract 3p.)