Zaigun Fm
Period:
Cambrian
Age Interval:
Cambrian Stage 2 - Cambrian Stage 3, Ir (1,2,4)
Province:
Iran
Type Locality and Naming
Column: Zagros belt (general), Column: Central Iran, Column: Iran NW - Alborz
Synonym:
Lithology and Thickness
Alternating Sandstone and Claystone. Thickness of ~450m. Silty to fine sandy shales, and fine-grained sandstone. Cross-laminated and micaceous, the sand is dark red with occasional shades of pink, green, and violet.
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Barut Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Lalun Sandstone Fm
Regional extent
GeoJSON
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Fossils
Unfossiliferous.
Age
Cambrian Stage 2 - Cambrian Stage 3
Age Span:
Beginning stage:
Cambrian Stage 2
Fraction up in beginning stage:
0.5
Beginning date (Ma):
525.00
Ending stage:
Cambrian Stage 3
Fraction up in the ending stage:
0.2
Ending date (Ma):
519.70
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Middle East Geological Timescale 2008 Al-Husseini, Journal of Middle East Petroleum Geosciences v 13, no. 4