Swab Fm
Period:
Ordovician
Age Interval:
Darriwilian, Sr (1,2)
Province:
Syria
Type Locality and Naming
Column: Syria, Column: SE Syria
Synonym:
Lithology and Thickness
Silty shale, black shale, and sandstone of both marine and continental origin.
Lithology Pattern:
Sandy claystone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Khanaser Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Afendi Fm
Regional extent
Equivalent to the Qasim Fm in NW Saudi Arabia, the Umm Tafira Fm in NE Jordan, and the Khabour Fm in W Iraq.
GeoJSON
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Fossils
Age
Darriwilian
Age Span:
Beginning stage:
Darriwilian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
469.42
Ending stage:
Darriwilian
Fraction up in the ending stage:
0.9
Ending date (Ma):
459.30
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