Fureoi Formation

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Fureoi Formation

Coherent formation
Foreland basins by collision between northeast Japan island arc and Kuril island arc
middle Miocene
Correlation: Kawabata Formation, Upper Ponsubetsu Formation, Abetsu Formation, Upper Niniu Formation

Hidaka basin, northeast
[ Upper ]
?--?--?--?--?-
Niniu Group
?--?--?--?--?-
[ Lower ]

Hidaka basin, southwest (Mukawa)
[ Upper ]
?--?--?--?--?-
Moebetsu Formation / Nina Formation
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Nina Formation
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Nibutani Formation
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Abetsu Formation
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Sakae Formation
?--?--?--?--?-
[ Lower ]

Hidaka basin, southwest
[ Upper ]
?--?--?--?--?-
Fureoi Formation
?--?--?--?--?-
[ Lower ]

Hidaka basin, southeast
[ Upper ]
?--?--?--?--?-
Atsuga Formation
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Motokanbe Formation
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Ukekoi Formation
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Furanui Formation
?--?--?--?--?-
[ Lower ]

Hidaka basin, southeast
[ Upper ]
?--?--?--?--?-
Shunbetsu Formation
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Shizunai Formation
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Azamizawa Formation
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Nishikawa Formation / Noya Formation
?--?--?--?--?-
[ Lower ]

Hidaka basen, southeast (Urakawa)
[ Upper ]
?--?--?--?--?-
Kamikineusu Formation
?--?--?--?--?-
[ Lower ]

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

Distribution: Hokkaido

Kase et al., (2018) Jour. Geol. Soc. Japan, vol.124, no.8, pp.627-642 DOI