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Kawakami Block-and-Ash Flow Deposits (Tsunozu Research Group, 1972) Kano et al., 2001

Invalid synonym: Kawakami Tuff Breccia

• Type locality: Kawakami, Oshiro town, Oda city, Shimane prefecture
• Volcanic rocks
• Pleistocene

• Sedimentary facies: Terrestrial, Shoreline of freshwater lagoon
• Sedimentary facies: Block-and-ash flow deposit
• Sedimentary facies (Minor): Pyroclastic surge deposit, Volcaniclastic turbidite
• Lithofacies: Tuff breccia

• Host: Tsunozu Formation
• Mode of eruption: Phreatomagmatic
• Thickness: ca. 0 - 20 m or thicker
• Upper limit: Unconformity (Yataki Ash Flow Deposits)
• Lower limit: Unconformity (Tsunozu Formation)

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

• Distribution: Kawakami - Jubuji - Shimomachi - Yataki - Tonomura, Oda city, Shimane pref.

• Kano et al. (2001) Geology of the Yunotsu and Gotsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 129p. (in Japanese with English abstract 5p.)