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Kamgawa Lavas Ota and Katada, 1955
- Volcanic rocks
- Middle Pleistocene (0.69 - 0.65 Ma, K-Ar)
- Lithofacies: Lava
- Lithofacies: Orthopyroxene-clinopyroxene andesite
- Thickness: 10 m
- Upper limit: Unconformity
- Lower limit: Unconformity
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Karasawa fall - Daimyojin creek, Ueda city, Nagano pref.
- Nishiki et al. (2014) Jour. Geol. Soc. Japan, vol.120, no.3, pp.89-103 DOI
- Ota and Katada (1955) Suzaka, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 54p. (in Japanese with English abstract 6p.)