Home Multi-Country Search About Admin Login
Cenozoic

Search by
Select Region(s) to search
Hold Ctrl (Windows/Linux) or Command (Mac) to select multiple
Benin Gr
Click to display on map of the Ancient World at:
Benin Gr base reconstruction

Benin Gr


Period: 
Paleogene, Neogene, Quaternary

Age Interval: 


Province: 
Western Africa: Niger Delta

Type Locality and Naming

Synonym:


Lithology and Thickness

Continental sands with fluvial & distributary channels, mash & swamps in an essential upper delta plain environment.

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


Lithology Pattern: 
Sandstone


Relationships and Distribution

Lower contact

Imo shale Fm (conformable)

Upper contact

This is the top group. (Because this is one of the transgressive depositions in Niger delta basin.)

Regional extent

Niger Delta


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[4.7,6.57],[5.18,6.46],[5.88,6.41],[6.31,6.07],[6.75,5.93],[7.09,5.62],[7.75,5.12],[8.31,4.98],[8.57,4.81],[8.21,4.78],[7.76,4.83],[7.41,5.02],[7.05,5.22],[6.5,5.49],[6.05,5.61],[5.53,5.76],[5.18,5.82],[4.94,6.09],[4.69,6.37],[4.7,6.57]]]]}}

Fossils


Age 


Age Span: 

    Beginning stage: 
Ypresian

    Fraction up in beginning stage: 
0

    Beginning date (Ma): 
56.00

    Ending stage: 
Holocene

    Fraction up in the ending stage: 
1

    Ending date (Ma):  
0.00

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