Kahar Fm
Period:
Ediacaran, Cryogenian
Age Interval:
Cryogenian – Ediacaran, Ir4
Province:
Iran
Type Locality and Naming
Column: Iran NW - Alborz
Synonym:
Lithology and Thickness
A thick, uniform sequence of green slates and shales, which are fine sandy-micaceous and contains quarzitic intercalations of sandstone, dolomite, and volcanic material.
Lithology Pattern:
Sandy_claystone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates this is the oldest unit
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Bayandor Fm
Regional extent
GeoJSON
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Fossils
Age
Cryogenian – Ediacaran
Age Span:
Beginning stage:
Cryogenian
Fraction up in beginning stage:
0.7
Beginning date (Ma):
660.50
Ending stage:
Ediacaran
Fraction up in the ending stage:
0.45
Ending date (Ma):
591.71
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Middle East Geological Timescale 2008 Al-Husseini, Journal of Middle East Petroleum Geosciences v 13, no. 4