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Bafata Shale Formation
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Bafata Shale Fm base reconstruction

Bafata Shale Fm


Period: 
Devonian

Age Interval: 


Province: 
Senegal Basin

Type Locality and Naming

Synonym:


Lithology and Thickness

The Middle and Upper Devonian are represented by the 300-m-thick Bafata Shale.


Lithology Pattern: 
Sandy_claystone


Relationships and Distribution

Lower contact

Cusselinta Sandstone Fm (conformable)

Upper contact

Clayey sandstone (un-named)

Regional extent

Senegal Province, Mauritania, Senegal, The Gambia, and Guinea-Bissau, Northwest Africa


GeoJSON

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Fossils


Age 


Age Span: 

    Beginning stage: 
Emsian

    Fraction up in beginning stage: 
0.61

    Beginning date (Ma): 
400.62

    Ending stage: 
Induan

    Fraction up in the ending stage: 
0

    Ending date (Ma):  
251.90

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Rebecca Bobick (and Wen Du), modified from Brownfield, M.E. and Charpentier, R.R., "Assessment of the Undiscovered Oil and Gas of the Senegal Province, Mauritania, Senegal, The Gambia, and Guinea-Bissau, Northwest Africa", U.S. Geological Survey Bulletin 2207-A, posted online October 2003