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Tarosan Lava
- Volcanic rocks
- Neogene - Pleistocene
- Lithofacies: Quartz-bearing hypersthene augite dacite
- Taro volcano
- [ Upper ]
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- Tarosan Lava
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- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Mount Tarosan, Kuriyama, Nikko city, Tochigi pref.
- Murayama and Kawata (1956) Hiuchi-dake, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 28p. (in Japanese with English abstract 4p.)