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Khirish Beds Formation
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Khirish Beds Fm base reconstruction

Khirish Beds Fm

Period: 
Neogene

Age Interval: 
Langhian, Iq3


Province: 
Iraq

Type Locality and Naming

Column: Rutba Uplift (W Iraq)

Synonym:


Lithology and Thickness

Comprise two units: The lower unit comprises upwards: A) Grey, well sorted sandstone with clay balls, cemented by calcareous and clayey material, B) Large lenses of conglomerate with pebbles and cobbles of limestone and chert, C) Pink sandy limestone or calcareous sandstone exposed in many areas, D) Massive grey breccia, with angular and sub-angular limestone fragments. The upper unit comprises massive splintery limestone and calcareous sandstone with beds of marl and local lenses of gypsum.


Lithology Pattern: 
Sandy limestone


Relationships and Distribution

Lower contact

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

Upper contact

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

Regional extent


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[39.46,32.74],[39.29,32.46],[39.43,32.14],[39.97,32.04],[40.05,32.1],[40.04,32.34],[39.95,32.64],[39.46,32.74]]]]}}

Fossils


Age 

Langhian

Age Span: 

    Beginning stage: 
Langhian

    Fraction up in beginning stage: 
0.45

    Beginning date (Ma): 
15.01

    Ending stage: 
Langhian

    Fraction up in the ending stage: 
0.47

    Ending date (Ma):  
14.97

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

From S. Z. Jassim and J. C. Goff, Geology of Iraq, 2006. pg 156, Fig. 14-2: "Stratigraphic correlation of formations of Megasequence AP11 (Excluding the Quaternary)."