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Reisenji Volcanics Member Kosaka et al, 2022

Invalid synonym: Hirogawara Greenish Pyroclastics Member, Hirogawara Greenish Pyroclastics Facies, Minamikadosawa Tuff Member, Minamikadosawa Tuff Facies

• Type locality: Reisenji hotspring, Ueda city, Nagano prefecture
• Volcanic rocks
• middle Miocene
• Contemporaneous heterotopic facies: Ichinose Sandstone and Conglomerate Member

• Sedimentary facies (Minor): Submarine pyroclastic flow deposit, Debris flow deposit
• Lithofacies: Rhyolite - Dacite pumice tuff, Lithic tuff, lava
• Lithofacies (Minor): Tuffaceous sandstone, Mudstone
• Sedimentary structures: Parallel stratification

• Thickness: ca. 100 - 1,000 m
• Upper limit: Conformity (Kokuzo Basalt Member)
• Lower limit: Conformity (Asamatoge Sandstone and Mudstone Member, Takenoyu Volcanics Member)

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

• Distribution: Reisenji hotspring - Hirogawarasawa river - Uchimuragawa river - Minamikadosawa creek - Reisenjigawa river - Takeshigawa river - Kakeyu hotspring, Ueda city, Nagano pref.

• Kosaka et al. (2022) Earth Science (Chikyu Kagaku), vol.76, no.4, pp.179-194 DOI