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Kurnub Formation
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Kurnub Fm base reconstruction

Kurnub Fm

Period: 
Cretaceous

Age Interval: 
Albian – Cenomanian, J1


Province: 
Jordan

Type Locality and Naming

Column: NE Jordan

Synonym:


Lithology and Thickness

Sandstone. From "Geology of the Arabian Peninsula", Geological Survey Professional Paper 560-1: "West of the Jordan River-Dead Sea part of the Rift province, varicolored sandstone, argillaceous sandstone, and sandy shale and marl (more than 300 m thick) are of dominantly continental origin and are considered to be N eocomian (equal to the Wadi Hathira Sandstone of Shaw, 1947; or Kurnub Sandstone of Quennell, 1951)."


Lithology Pattern: 
Sandstone


Relationships and Distribution

Lower contact

Regionally, the schematic strat column indicates the next older unit as Mughanniuua Fm

Upper contact

Regionally, the schematic strat column indicates the next younger unit as Wadi As Sir Fm with an unconformity from 90% up in Albian to 40% up in Cenomanian. Age span was adjusted from schematic strat column.

Regional extent


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[38.7,33.2],[37.59,32.42],[36.86,32.19],[36,32.3],[35.8,31.9],[36.37,31.29],[36.95,31.63],[37.61,31.78],[38.99,32.06],[38.7,33.2]]]]}}

Fossils


Age 

Albian – Cenomanian

Age Span: 

    Beginning stage: 
Albian

    Fraction up in beginning stage: 
0.4

    Beginning date (Ma): 
108.12

    Ending stage: 
Cenomanian

    Fraction up in the ending stage: 
0.65

    Ending date (Ma):  
96.21

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

From S. Z. Jassim and J. C. Goff, Geology of Iraq, 2006. pg 124, Fig. 11-1: "Stratigraphic correlation of formation of Megasequence AP8."