Home Multi-Country Search About Admin Login
Cenozoic

Search by
Select Region(s) to search
Hold Ctrl (Windows/Linux) or Command (Mac) to select multiple
Arif el-Naga Formation
Click to display on map of the Ancient World at:
Arif el-Naga Fm base reconstruction

Arif el-Naga Fm


Period: 
Triassic

Age Interval: 


Province: 
Northern Africa: Upper Egypt basin

Type Locality and Naming

Synonym:


Lithology and Thickness

Sandstones with intercalating marl and limestones with ammonites and other fossils. Distributed across Northern Sinai.


Lithology Pattern: 
Sandy limestone


Relationships and Distribution

Lower contact

Ataqa Fm of Carboniferous age- ( missing Un-documented Permian)

Upper contact

Regional extent

Upper Egypt basin


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[32.4,29.59],[32.58,29.35],[32.03,29.05],[31.4,28.9],[29.23,28.58],[28.6,28.36],[28.5,27.97],[28.37,27.86],[28.35,27.62],[28.51,27.64],[28.92,28.05],[29.27,28.2],[30.39,28.47],[31.49,28.54],[32.47,28.87],[32.23,28.23],[32.59,27.61],[32.91,26.95],[33.3,26.23],[33.56,25.8],[33.54,25.47],[33.75,25.09],[33.94,24.72],[34.04,24.46],[34.06,24.27],[33.92,24.14],[33.76,24],[34.02,23.88],[34.31,23.76],[34.41,23.79],[34.51,23.76],[34.65,23.75],[34.79,23.5],[34.81,23.33],[34.71,23.22],[34.57,23.27],[34.35,23.34],[34.25,23.52],[33.9,23.76],[33.68,23.8],[33.52,23.65],[33.41,23.71],[33.31,23.93],[33.14,24.06],[32.89,24.02],[32.91,23.69],[32.97,23.15],[33.05,22.83],[33.29,22.58],[33.41,22.35],[33.49,21.96],[33.47,21.75],[33.34,21.58],[33.33,21.34],[33.19,21.13],[33.03,21.2],[32.88,21.33],[32.7,21.29],[32.65,21.15],[32.7,20.97],[32.63,20.95],[32.52,21.02],[32.51,21.13],[32.4,21.1],[32.33,21.16],[32.44,21.23],[32.38,21.3],[32.13,21.45],[32.01,21.54],[31.76,21.7],[31.58,21.75],[31.35,21.85],[31.21,21.7],[30.8,21.41],[30.61,21.23],[30.44,21.14],[30.37,21.18],[30.18,21.23],[29.99,21.23],[29.89,21.05],[29.72,20.77],[29.47,20.7],[29.16,20.7],[28.84,20.65],[28.33,20.54],[28.15,20.5],[27.92,20.48],[27.72,20.56],[27.6,20.56],[27.51,20.55],[27.42,20.59],[27.26,20.79],[27.06,20.79],[26.89,20.78],[26.83,20.86],[26.75,21.03],[26.6,21.11],[26.46,21.2],[26.38,21.31],[26.3,21.55],[26.34,21.73],[26.53,21.86],[26.79,21.96],[26.7,22.07],[26.49,22.18],[26.29,22.23],[25.99,22.11],[25.67,22],[25.39,21.9],[25.21,21.96],[25.01,22.09],[25.18,22.19],[25.38,22.21],[25.39,22.33],[25.47,22.42],[25.58,22.4],[25.65,22.52],[25.78,22.69],[25.81,23.07],[25.81,23.15],[25.79,23.27],[25.74,23.38],[25.52,23.41],[25.46,23.58],[25.28,23.62],[25.21,23.69],[25.21,23.87],[25.32,24.03],[25.58,24.04],[25.55,24.32],[25.64,24.53],[25.73,24.98],[25.04,25.91],[24.87,26.23],[25.01,26.47],[25.12,26.47],[25.24,26.63],[25.27,26.94],[25.37,27.24],[25.53,27.69],[25.76,28.3],[25.77,28.53],[25.63,28.69],[25.63,28.87],[25.83,28.96],[26.06,28.96],[26.14,29],[26.06,29.12],[26.3,29.13],[26.46,29.17],[26.67,29.31],[26.88,29.37],[27.31,29.29],[27.47,29.26],[27.67,29.25],[27.92,29.23],[28.14,29.25],[28.23,29.09],[28.12,29],[28.08,28.84],[28.25,28.69],[28.4,28.77],[28.69,28.82],[28.66,28.92],[28.77,29.05],[28.89,29.1],[29.11,29.06],[29.27,29.04],[29.4,29.08],[29.61,29.06],[29.73,29.01],[29.81,29.08],[29.84,29.17],[29.86,29.3],[29.89,29.45],[30.08,29.46],[30.15,29.5],[30.42,29.61],[30.61,29.75],[30.86,29.75],[30.95,29.9],[30.99,30.02],[31.22,30.03],[31.52,29.95],[31.88,29.92],[32.32,30.04],[32.48,29.85],[32.4,29.59]]]]}}

Fossils


Age 


Age Span: 

    Beginning stage: 
Induan

    Fraction up in beginning stage: 
0

    Beginning date (Ma): 
251.90

    Ending stage: 
Hettangian

    Fraction up in the ending stage: 
0

    Ending date (Ma):  
201.36

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Rebecca Bobick (and Wen Du), modified from Said, R. The Geology of Egypt, 1962 pg. 19-20, 138.