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Okawajiri Lava
- Volcanic rocks
- Pleistocene
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Cape Hiyori, Shimofuro, Kazamaura city, Shimokita county, Aomori pref.
- Uemura and Saito (1957) Ohata, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 31p. (in Japanese with English abstract 8p.)