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Ikenosawagawa Lava Kaneko, 1988
- Type locality: 1,000 m above sea level of Uenohira, Nozawaonsen city, Shimotakai county, Nagano prefecture
- Volcanic rocks
- early Pleistocene
- Lithofacies: Hypersthene-bearing basalt lava
- Source: Mount Kenashiyama
- Thickness: ca. 100 m
- Upper limit: Unconformity (Takinosawa Lava)
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Uenohira - Ikenosawa river, Nozawaonsen 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.)