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N'Toum North Gabon Subbasin West Formation
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N'Toum North Gabon Subbasin West Fm base reconstruction

N'Toum North Gabon Subbasin West Fm


Period: 
Cretaceous

Age Interval: 

Province: 
Gabon General lithology

Type Locality and Naming

Column: North Gabon Subbasin West

Lithology and Thickness

N'Toum Fm:
LITHOLOGY = The N’Toum Formation consists of at least 400 m of fluvial sandstone and shale.
CALIBRATION = 63% up in the Barremian.
REFERENCE = Figure 10, U.S. Geological Survey "Geology and Total Petroleum Systems of the West-Central Coastal Province (7203), West Africa" Bulleton 2207-B

Lithology Pattern: 
Sandstone

Relationships and Distribution

Lower contact

Upper contact

Regional extent


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[7.5,1],[6.5,0],[7.5,-1],[8.5,0],[7.5,1]]]]}}

Fossils


Age 


Age Span: 

    Beginning stage: 
Barremian

    Fraction up in beginning stage: 
0.6

    Beginning date (Ma): 
123.44

    Ending stage: 
Aptian

    Fraction up in the ending stage: 
0.15

    Ending date (Ma):  
120.17

Depositional setting


Depositional pattern:  

Additional Information

long: 7.5 lat: 0

Compiler: