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Lower Red Formation
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Lower Red Fm base reconstruction

Lower Red Fm


Period: 
Paleogene

Age Interval: 
Bartonian – Rupelian, Ir1


Province: 
Iran

Type Locality and Naming

Column: Zagros belt (general)

Synonym:


Lithology and Thickness

Red and greenish silty shales, gypsiferous marls, reddish sandstones, gypsum layers, volcanic flows, and pyroclastics. Contains thick bodies of rock salt. Max thickness known is 1000m.


Lithology Pattern: 
Sandy_claystone


Relationships and Distribution

Lower contact

Regionally, the schematic strat column indicates the next older unit as Padeh-Jahrum Fm

Upper contact

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

Regional extent


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[46.14,35.51],[46.27,35.21],[46.08,34.99],[46.06,34.76],[45.68,34.43],[45.67,33.97],[45.98,33.77],[46.5,33.04],[47.67,32.53],[48.07,31.88],[48.06,31.11],[49.27,30.6],[50.32,30.21],[51.11,28.9],[52.49,27.64],[53.82,26.86],[54.7,26.57],[56.39,27.37],[57.04,27.03],[57.41,25.81],[58.36,25.63],[58.45,28.18],[56.41,28.77],[46.14,35.51]]]]}}

Fossils

Unfossiliferous.


Age 

Bartonian – Rupelian

Age Span: 

    Beginning stage: 
Bartonian

    Fraction up in beginning stage: 
0.9

    Beginning date (Ma): 
38.04

    Ending stage: 
Rupelian

    Fraction up in the ending stage: 
0.55

    Ending date (Ma):  
30.26

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Middle East Geological Timescale 2008 Al-Husseini, Journal of Middle East Petroleum Geosciences v 13, no. 4. Union Internationale Des Sciences Geologiques pg. 151-152.