Otaki Formation

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Otaki Formation

Type locality: Otaki, Tarui city, Fuwa county, Gifu prefecture
Accretionary complex
Deposition (Limestone): Carboniferous (Fusulinids)
Jurassic
Intruded by: Porphyrite dike

Sedimentary facies: Marine
Lithofacies: Slate
Lithofacies (Minor): Greenstone, Limestone, Sandstone, Chert

Mino Belt (Ogaki, Gifu pref.)
[ Upper ]
/--/--/--/--/-
Kasuga Formation
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Kasukawa Formation
/--/--/--/--/-
Umetani Formation
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Oishi Formation
/--/--/--/--/-
Otaki Formation
/--/--/--/--/-
[ Lower ]

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

Distribution: Otaki - Oishi, Tarui city, Fuwa county, Gifu pref.; Noharadani valley - Tani, Ibigawa city, Ibi county, Gifu pref.
Fossils (Limestone): Chaetetes sp., Stromatoporoids, Bryozoans
Fossils (Limestone, Fusulinids): Fusulinella biconica, Schwagerina sp.
Fossils (Limestone, Corals): Clisaxophyllum awa, Lithostrotion cf. somaense, Nagatophyllum satoi

Isomi (1956) Ominagahama, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 51p. (in Japanese with English abstract 6p.)
Isomi (1955) Ogaki, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 24p. (in Japanese with English abstract 6p.)