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Kotokawa Lava

• Stratovolcano
• Volcanic rocks
• Pleistocene - Holocene

• Sedimentary facies: Terrestrial
• Lithofacies: Calc-alkaline andesite
• Lithofacies: Hornblende-bearing orthopyroxene-clinopyroxene andesite lava
• Lithofacies: Block lava

• Thickness: 20 m
• Lower limit: Unconformity (Urata Lava)

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

• Distribution: Mount Kanpu, Oga city, Akita pref.

• Kano et al. (2011) Geology of the Toga and Funakawa District., Quadrangle Series, 1:50,000, Geological Survey of Japan, AIST, 127 p. (in Japanese with English abstract 4p.)
• Fujimoto et al. (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.51-74 DOI