Lashkarak Fm
Period:
Cambrian, Ordovician
Age Interval:
Cambrian Stage 10 – Darriwilian, Ir4
Province:
Iran
Type Locality and Naming
Column: Iran NW - Alborz
Synonym:
Lithology and Thickness
Alternating Sandstone, Claystone, Limestone.
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Mila Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Soltan Meidan Volcanics Fm
Regional extent
GeoJSON
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Fossils
Age
Cambrian Stage 10 – Darriwilian
Age Span:
Beginning stage:
Cambrian Stage 10
Fraction up in beginning stage:
0.9
Beginning date (Ma):
487.27
Ending stage:
Darriwilian
Fraction up in the ending stage:
0.95
Ending date (Ma):
458.74
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Middle East Geological Timescale 2008 Al-Husseini, Journal of Middle East Petroleum Geosciences v 13, no. 4