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Kitamura Tuff
Tephra
Miocene
Lithofacies: Tuff
Host:
Haraichi Formation
Distribution: Gunma pref.
Geshi and Takeuchi (2012) Geology of the Haruna San District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 79p. (in Japanese with English abstract 3p.)