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Bir M'Cherga Formation
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Bir M'Cherga Fm base reconstruction

Bir M'Cherga Fm


Period: 
Jurassic, Cretaceous

Age Interval: 


Province: 
Northern Africa: Tunisia

Type Locality and Naming

Synonym:


Lithology and Thickness

Fossiliferous marl and clay with intercalations of micritic limestone and sandstone.


Lithology Pattern: 
Shallow-marine marl


Relationships and Distribution

Lower contact

Limestone (un-named) (conformable)

Upper contact

Fahdene Fm (conformable)

Regional extent


GeoJSON

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Fossils


Age 


Age Span: 

    Beginning stage: 
Tithonian

    Fraction up in beginning stage: 
0.6

    Beginning date (Ma): 
145.56

    Ending stage: 
Albian

    Fraction up in the ending stage: 
0

    Ending date (Ma):  
113.20

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Rebecca Bobick (and Wen Du), modified from Fig. 3, Fetheddine Melki, Taher Zouaghi, Mohamed Ben Chelbi, Mourad Bédir and Fouad Zargouni (2012). Role of the NE-SW Hercynian Master Fault Systems and Associated Lineaments on the Structuring and Evolution of the Mesozoic and Cenozoic Basins of the Alpine Margin, Northern Tunisia, Tectonics - Recent Advances, Prof. Evgenii Sharkov (Ed.), ISBN: 978-953-51-0675-3, InTech, DOI: 10.5772/50145. Available from: http://www.intechopen.com/books/tectonics-recent-advances/role-of-the-ne-sw-hercynian-master-fault-systems-and-associated-lineaments-on-the-structuring-and-ev