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Yatoko Lava
- Volcanic rocks
- Pleistocene
- Lithofacies: Quartz-bearing two-pyroxene andesite
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Shirane mine, Kusatsu city, Agatsuma county, Gunma pref.
- Deposits (Sulphur): Shirane mine
- Ota (1957) Kusatsu, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 75p. (in Japanese with English abstract 8p.)