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Mizusawayama Pyroclastic Flow Deposit and Talus Deposit Geshi and Takeuchi, 2012

• Type locality: Takizawa river, Funao fall, Mizusawa, Ikaho town, Shibukawa city, Gunma prefecture
• Tephra
• late Pleistocene (ca. 10 ka)
• Contemporaneous heterotopic facies: Mizusawayama Lava

• Sedimentary facies: Pyroclastic flow deposit, Talus deposit
• Sedimentary facies: Block-and-ash-flow deposit
• Lithofacies: Orthopyroxene hornblende andesite breccia
• Lithofacies (Minor): Lapilli, Volcanic sands, Volcanic ash

• Source: Mizusawayama lava dome
• Lower limit: Unconformity (Older Haruna Volcanic Products, As-YP Tephra)

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

• Distribution: Takizawa river, Funao fall, Mizusawa, Ikaho town, Shibukawa city, Gunma pref.; lower than 850 m above sea level, Mount Mizusawayama, Ikaho town, Shibukawa city, 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.)