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Uguisugawa Basalt (Onuma, 1963) Nakano and Tsuchiya, 1992

Invalid synonym: Uguisugawa Lava Flow, Uguisugawa Lava, Iigamori Lava (Different from Iigamori Lava)

• Stratovolcano
• Volcanic rocks
• Pleistocene

• Lithofacies: Olivine augite basalt lava

• Thickness: 10 m or thinner
• Upper limit: Unknown (Iigamori Lava)

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

• Distribution: Iigamori, Nikaho city, Akita pref.; Uguisu river, Chokai town, Yurihonjo city, Akita pref.

• Hayashi and Yamamoto (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.87-95 Geological Unit Database