Bir El Rah Fm
Period:
Carboniferous
Age Interval:
Bashkirian – Gzhelian, Iq3, Sa4
Province:
Iraq, Saudi Arabia
Type Locality and Naming
Column: Rutba Uplift (W Iraq), Column: NW Saudi Arabia
Synonym:
Lithology and Thickness
limnic claystone and shale with thin beds of cross-laminated sandstone with occasional immature clayey coal horizons.
Lithology Pattern:
Sandy_claystone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Harur Fm with an unconformity
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Ga'ara Fm
Regional extent
GeoJSON
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Fossils
Age
Bashkirian - Gzhelian
Age Span:
Beginning stage:
Bashkirian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
323.40
Ending stage:
Gzhelian
Fraction up in the ending stage:
1.0
Ending date (Ma):
298.89
Depositional setting
Depositional pattern:
Additional Information
Compiler:
From S. Z. Jassim and J. C. Goff, Geology of Iraq, 2006. pg 92, Fig. 8-1: "Stratigraphic correlation of megasequences AP1 to AP5 for Iraq and surrounding countries."