Khafji Fm
Period:
Cretaceous
Age Interval:
Aptian – Albian, Sa2
Province:
Saudi Arabia
Type Locality and Naming
Column: Saudi Arabia Subsurface; Safaniya Mbr. Upper Khafji, Dair Lst, Khafji Main Sst Lower Khafji.
Synonym:
Lithology and Thickness
It is further divided into Safaniya Mbr. Upper Khafji, Dair Lst, Khafji Main Sst Lower Khafji. Gray, green, and, red, silty fine-grained sandstone and coarse siltstone, relatively thin-bedded.
Lithology Pattern:
Clayey sandstone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Biyadh Sandstone Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Wasia Fm
Regional extent
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[41.6,30.04],[40.83,28.94],[41.44,28.32],[43.48,26.34],[45.18,24.1],[43.63,21.01],[42.79,19.55],[43.31,19.1],[43.7,17.44],[44.34,19.49],[47.54,19.41],[48.21,21.88],[47.85,24.62],[47.56,26.42],[45.97,26.93],[44.29,28.45],[41.6,30.04]]]]}}
Fossils
Age
Aptian – Albian
Age Span:
Beginning stage:
Aptian
Fraction up in beginning stage:
0.8
Beginning date (Ma):
114.84
Ending stage:
Albian
Fraction up in the ending stage:
0.7
Ending date (Ma):
104.31
Depositional setting
Depositional pattern:
Additional Information
Compiler:
From Middle East Geological Timescale 2008 Al-Husseini, Journal of Middle East Petroleum Geosciences v 13, no. 4. Steineke et. al., 1958, Page 1310