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Takizawa Lavas Shimazu et al., 1983

• Type locality: Takizawa creek, Sakae city, Shimominochi county, Nagano prefecture
• Volcanic rocks
• Pleistocene

• Lithofacies: Calc-alkaline
• Lithofacies: Quartz-biotite-bearing hypersthene andesite lava, Volcanic breccia, Quartz-bearing hornblende hypersthene augite andesite lava, Volcanic breccia, Quartz-bearing hypersthene augite andesite lava, Volcanic breccia

• Thickness: 350 m
• Upper limit: Unconformity (Shirakurayama Lavas, Oneyama Lavas)
• Lower limit: Unconformity (Nunoiwayama Lavas, Takayamazawa-Onizawa Pyroclastic Flow Deposit, Uenohara Welded Tuff)

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

• Distribution: Takizwa creek - Onizawa creek - Shirakura creek - Takayama creek, Sakae city, Shimominochi county, Nagano pref.

• Igarashi et al. (2007) Jour. Geol. Soc. Japan, vol.113, no.11, pp.565-584 DOI
• Shimazu and Tateishi (1993) Geology of the Naebasan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 90p. (in Japanese with English abstract 5p.)