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Tarudaki Lava Yanagisawa et al., 2000

• Type locality: 1,050 above sea level of Hirasawa, Kijimadaira city, Shimotakai county, Nagano prefecture
• Volcanic rocks
• early Pleistocene (1.06 Ma, K-Ar)

• Lithofacies: Augite hypersthene andesite lava

• Thickness: 100 m or thicker
• Lower limit: Unconformity (Hirasawa Lava)

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

• Distribution: Mount Jokura - Tarudaki fall, Kijimadaira city, Shimotakai county, Nagano pref.

• Yanagisawa et al. (2000) Geology of the Iiyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 144p. (in Japanese with English abstract 6p.)