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Information provided by geoscience team at Ahmadu Bello University, Zaria, Nigeria --see About

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Mansur Formation
Click to display on map of the Ancient World at:
Mansur Fm base reconstruction

Mansur Fm


Period: 
Cretaceous

Age Interval: 
middle Cenomanian-Turonian


Province: 
Sudan E

Type Locality and Naming

Khartoum Basin, central Sudan.

Reference: Awad (1994), A. Gibreel (2015)

[Fig. 1: Khartoum Basin is #8 on map (Fig.3 in Awad, 1994)]

[Fig. 2: Khartoum Basin stratigraphy and depositional sequences (pg. 17 in A. Gibreel, 2015)]


Lithology and Thickness

Fining-up sequence of interbedded kaolinitic-sand and claystones


Lithology Pattern: 
Sandy claystone


Relationships and Distribution

Lower contact

Major unconformity (Albian is missing) onto the Hebeika Fm

Upper contact

Overlain by the Esari Fm

Regional extent

Khartoum Basin, central Sudan.


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[33.57,15.66],[34.18,14.14],[33.71,14.02],[33.54,13.68],[32.98,13.7],[31.81,14.29],[32.03,15.12],[33.23,15.83],[33.57,15.66]]]]}}

Fossils


Age 

middle Cenomanian-Turonian according to A. Gibreel (Ministry of Petroleum and Gas, 2015)

Age Span: 

    Beginning stage: 
Cenomanian

    Fraction up in beginning stage: 
0.25

    Beginning date (Ma): 
98.85

    Ending stage: 
Turonian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
89.39

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Enam O. Obiosio, Solomon Joshua Avong and Henry Nasir Suleiman (2024) - Stratigraphic Lexicon compiled from the following publications:

Awad, M.Z., 1994. Stratigraphic, Palynological and Paleoecological Studies in the East-Central Sudan (Khartoum and Kosti Basins), Late Jurassic to Mid-Tertiary. Berliner Geowiss. Abh. 161: 163 pp.

Gibreel, Ahmed (Section Head G&G Studies, Ministry of Petroleum and Gas, Republic of Sudan(, 2015. Hydrocarbon potential and resources in Sudan. [Slide presentation at UNCTAD, 17th Africa OILGASMINE, Khartoum, 23-26 Nov 2015]. https://unctad.org/system/files/non-official-document/17OILGASMINE%20Ahmed%20Gibreel%20Ahmed%20El-Amain%20S1.pdf