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Upper Shimotamatagawa Lava
Invalid synonym: Shimotamatagawajoryu Lava
- Stratovolcano
- Old edifice
- Volcanic rocks
- Pleistocene
- Lithofacies: Calc-alkaline
- Lithofacies: Hypersthene augite andesite
- Lithofacies: Lava (A flow unit)
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Akakuzure creek - Shunomata river, Chokai town, Yurihonjo city, Akita pref.
- Nakano and Tsuchiya (1992) Geology of the Chokaisan and Fukura District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 138p. (in Japanese with English abstract 7p.)