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Iizunayama Lava Hayatsu, 1985

Invalid synonym: Takinosawa Lava, Okubo Lava, Kurotakijobu Lava, Iizuna Lava

• Type locality: Byobu creek, Mount Reisenji, Iizuna city, Kamiminochi county, Nagnao prefecture
• Volcanic rocks
• Pleistocene (0.19, 0.18, 0.16 Ma, K-Ar)

• Lithofacies: Lava, Pyroclastic flow deposit, Pyroclastic fall deposit
• Lithofacies (Minor): Scoria fall deposit, Scoriaceous flow deposit

• Thickness: ca. 200 m
• Upper limit: Unconformity (Morozawa Pyroclastic Flow Deposit)
• Lower limit: Unconformity (Iizuna Basalts)

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

• Distribution: Byobu creek, Mount Reisenji, Iizuna city, Kamiminochi county, Nagnao pref.

• Nagamori et al. (2003) Geology of the Togakushi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 109p. (in Japanese with English abstract 3p.)