Otakizawa Formation

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Otakizawa Formation Onuki, 1966

Type locality: Confluence of Otaki creek and Rokusho creek, Yaguki, Yotsukura town, Iwaki city, Fukushima prefecture
Coherent formation
Age unknown, late Paleozoic?
Intruded by: Yaguki Granodiorite

Lithofacies: Shale
Lithofacies (Minor): Skarn

Thickness: ca. 30 - 250 m

Yaguki, Fukushima pref.
[ Upper ]
::::::::::::::
Matsuyamazawa Formation
?--?--?--?--?-
Yaguki Limestone
?--?--?--?--?-
Otakizawa Formation
::::::::::::::
[ Lower ]

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

Distribution: Otaki creek - Rokusho creek, Yaguki, Yotsukura town, Iwaki city, Fukushima pref.
Deposit: Host of skarn deposit of Yaguki mine

Kubo et al. (2002) Geology of the Kawamae and Ide District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 136p. (in Japanese with English abstract 6p.)