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Imo shale Formation
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Imo shale Fm base reconstruction

Imo shale Fm


Period: 
Cretaceous, Paleogene

Age Interval: 


Province: 
Western Africa: Niger Delta

Type Locality and Naming

Synonym:


Lithology and Thickness

Marine shale

[Figure: Stratigraphic data sheet (west and east halves combined) of the Niger Delta.]


Lithology Pattern: 
claystone


Relationships and Distribution

Lower contact

Not mentioned.

Upper contact

Benin Gr, Agbada Gr, Akata Gr, because these formations are transgressive depositions in Niger delta basin (conformable).

Regional extent

Niger Delta


GeoJSON

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Fossils


Age 


Age Span: 

    Beginning stage: 
Maastrichtian

    Fraction up in beginning stage: 
0

    Beginning date (Ma): 
72.17

    Ending stage: 
Ypresian

    Fraction up in the ending stage: 
0

    Ending date (Ma):  
56.00

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Rebecca Bobick (and Wen Du), modified from Reijers, T.J.A., "stratigraphy and sedimentology of the Niger Delta", Geologos, 2011, 17(3): 133-162