Majma Fm
Period:
Cretaceous
Age Interval:
Albian – Cenomanian, Sa1
Province:
Saudi Arabia
Type Locality and Naming
Column: Saudi Arabia Outcrop. Members: Majma 1, Majma 2
Synonym:
Lithology and Thickness
In Upper part, Majma 1: Buff and red banded, fine-grained sandstone and siltstone, showing small-scale cross bedding.
In Lower part, Majma 2: Brown-weathering, green, sandy silty shale.
Lithology Pattern:
Fine-grained sandstone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Huraysan Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Qiba 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
Albian – Cenomanian
Age Span:
Beginning stage:
Albian
Fraction up in beginning stage:
0.7
Beginning date (Ma):
104.31
Ending stage:
Cenomanian
Fraction up in the ending stage:
0.2
Ending date (Ma):
99.18
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