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Shiroyama Lava Akabane et al., 1991

• Type locality: Mount Shiroyama, Uchiyama, Kijimadaira city, Shimotakai county, Nagano prefecture
• Volcanic rocks
• early Pleistocene

• Lithofacies: Augite hypersthene andesite lava

• Thickness: ca. 200 m
• Upper limit: Unconformity (Manbutsuiwa Tuff Breccia)
• Lower limit: Unconformity (Fukushima Lava)

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

• Distribution: Mount Shiroyama, Uchiyama, 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.)