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Mhb Tephra Kudo et al, 2011

Synonym.: Mhb

• Type locality: Masanao creek, Sanjo city, Niigata prefecture
• Tephra
• Pliocene (ca. 3 Ma)

• Lithofacies: Pumice lapilli tuff, Tuff

• Host: Kakuma Formation
• Thickness: ca. 10 cm

• Distribution: Sakamoto - Fukuoka, Sanjo city, Niigata pref.

• Kudo et al. (2011) Geology of the Kamo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 162p. (in Japanese with English abstract 4p.)