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Futamatayama Lava

• Volcanic rocks
• Lava dome
• middle - late Pleistocene

• Lithofacies: Olivine hornblende quartz-bearing orthopyroxene clinopyroxene andesite lava

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Mount Futamata, Tenei city, Iwase county - Shimogo city, Minamiaizu county, Fukushima pref.

• Yamamoto (1999) Geology of the Tajima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 85p. (in Japanese with English abstract 8p.)