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Al-Hassanat IV Formation
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Al-Hassanat IV Fm base reconstruction

Al-Hassanat IV Fm


Period: 
Cretaceous

Age Interval: 
Aptian, On2


Province: 
Oman

Type Locality and Naming

Column: Oman Outcrop

Synonym:


Lithology and Thickness

Limestone


Lithology Pattern: 
Limestone


Relationships and Distribution

Lower contact

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

Upper contact

Regionally, the schematic strat column indicates the next younger unit as Nahr Umr 1 Fm

Regional extent


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[56.15,23.5],[56.22,21.16],[55,19.52],[53.68,17.23],[54.82,17.54],[56.96,19.98],[57.95,21.28],[58.45,22.8],[57.19,22.87],[56.15,23.5]]]]}}

Fossils


Age 

Aptian

Age Span: 

    Beginning stage: 
Aptian

    Fraction up in beginning stage: 
0.3

    Beginning date (Ma): 
118.94

    Ending stage: 
Aptian

    Fraction up in the ending stage: 
0.8

    Ending date (Ma):  
114.84

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