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Euphrates Formation
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Euphrates Fm base reconstruction

Euphrates Fm

Period: 
Neogene

Age Interval: 
Burdigalian, Iq (2,3)


Province: 
Iraq

Type Locality and Naming

Column: Central Iraq, Column: Rutba Uplift (W Iraq)

Synonym:


Lithology and Thickness

Consists mainly of limestones with textures ranging from oolitic to chalky, which locally contain corals and shell coquinas; they are often recrystallized and siliceous. Beds of green marls, clayey sandstones, breccias, conglomerates, and conglomeratic limestones also occur. Interfingers with Serikagni. In Wadi Chabbab, the first section is 100m thick and the second is 25m thick.


Lithology Pattern: 
Limestone


Relationships and Distribution

Lower contact

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

Upper contact

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

Regional extent


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[42.42,37.07],[43.76,36.44],[44.08,35.68],[43.17,35.17],[42.06,34.67],[39.94,32.63],[39.46,32.73],[39.28,32.45],[39.42,32.14],[39.97,32.04],[40.04,32.09],[40.04,32.34],[42.7,30.81],[44.68,29.26],[46.51,29.12],[47.22,30.15],[48.23,30.02],[48.38,30.15],[48.02,30.47],[47.99,30.95],[47.67,30.97],[47.84,31.83],[46.46,32.88],[46.07,32.97],[45.39,33.98],[45.79,35.12],[44.62,36],[43.2,37.3],[42.42,37.07]]]]}}

Fossils

Fossils in this formation include gastropods and bryozoans, but are poorly preserved and mostly indeterminable.


Age 

Burdigalian

Age Span: 

    Beginning stage: 
Burdigalian

    Fraction up in beginning stage: 
0.2

    Beginning date (Ma): 
19.56

    Ending stage: 
Burdigalian

    Fraction up in the ending stage: 
0.8

    Ending date (Ma):  
16.88

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).