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Matsudome Tuff

Invalid synonym: Ogp-b

• Tephra
• Miocene (7.7 Ma, FT; 6.89?, 6.84? Ma, K-Ar)
• Correlation: Kanaya Tuff Member

• Lithofacies: Volcanic glass

• Host: Ogaya Formation
• Thickness: 11 - 20 m

• Distribution: Matsudome - Ogaya, Kakizaki, Joetsu city, Niigata pref.

• Takeuchi et al. (1996) Geology of the Kakizaki District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 48p. (in Japanese with English abstract 5p.)