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Kamazawa Tuff Member

• Marginal facies of Sawanai Andesite
• Tephra
• middle Miocene

• Lithofacies: Pumiceous lapilli tuff, Tuff
• Sedimentary structures: Parallel foliation
• Sedimentary structures (Minor): Cross stratification

• Lower limit: Conformity (Kamassawa Sandstone and Siltstone Member)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Iwate pref.

• Tuzino et al. (2018) Geology of the Ichinohe District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 161p. (in Japanese with English abstract 4p.)