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Kamigo Formation Shikumi River Collaborative Research Group, 1991

Formerly included in Uonuma Group.

• Volcanic rocks
• Pleistocene
• Correlation: Shikumigawa Formation

• Upper limit: Conformity

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

• Distribution: Niigata pref.

• Shimazu and Tateishi (1993) Geology of the Naebasan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 90p. (in Japanese with English abstract 5p.)