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Athel Formation
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Athel Fm base reconstruction

Athel Fm


Period: 
Ediacaran

Age Interval: 
latest Ediacaran, On1


Province: 
Oman

Type Locality and Naming

Column: Oman Subsurface.

Synonym: Ara A4 Carb, Ara A4 Evap


Lithology and Thickness

Alternating bands of Limestone and Anhydrite. Upward succession of Birba Fm, U Fm, Athel Fm, Al Noor Fm and Dhahaban Fm Further divided into Ara A6 Carb, Ara A6 Evap, Ara A5 Carb, Ara A5 Evap, Ara A4 Carb, Ara A4 Evap, Ara A3 Carb, Ara A3 Evap, Ara A2 Carb, Ara A2 Evap, Ara A1 Carb, Ara A1 Evap, Ara A0 Carb


Lithology Pattern: 
Evaporite


Relationships and Distribution

Lower contact

Regionally, the schematic strat column indicates the next older unit as Nafun Gr

Upper contact

Regionally, the schematic strat column indicates the next younger unit as Karim Fm

Regional extent


GeoJSON

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Fossils


Age 

Latest Ediacaran

Age Span: 

    Beginning stage: 
Ediacaran

    Fraction up in beginning stage: 
0.97

    Beginning date (Ma): 
541.69

    Ending stage: 
Ediacaran

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
538.80

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

From Forbes, G.A., Hansen, H.S.M., and Shreurs, J., 2010. Lexicon of Oman: Subsurface Stratigraphy. Gulf Petrolink, 371 pp. (plus enclosures and CD); and Middle East Geological Timescale 2008 Al-Husseini, Journal of Middle East Petroleum Geosciences v 13. no. 4