(Invalid synonym) Ogawamachi Group

(Invalid name) Ogawamachi Group

Coherent formation
Miocene

(Invalid name) Ogawamachi Group
[ Upper ]
--------------
Iida Formation => Arakawa Formation
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Kanizawa Formation => Arakawa Formation
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Gotanda Formation => Kozono Formation
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Ogawa city, Hiki county, Saitama pref.

Makimoto and Takeuchi (1992) Geology of the Yorii District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 136p. (in Japanese with English abstract 6p.)