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Tokuwa Volcanic Breccia

• Type locality: Tokuwa river, Tokuwa, Mitomi, Yamanashi city, Yamanashi prefecture
• Volcanic rocks
• late Miocene

• Sedimentary facies: Terrestrial
• Lithofacies: Volcanic breccia

• Thickness: 20 m or thicker
• Upper limit: Conformity (Kamiiwashita Lava)
• Lower limit: Unconformity (Kofu Granodioritic Complex)

------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Tokuwa river, Tokuwa - Odaira, Mitomi, Yamanashi city, Yamanashi pref.

• Mimura et al. (1984) Geology of the Mitake-Shosenkyo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 61p. (in Japanese with English abstract 4p.)