Heil Fm
Period:
Permian
Age Interval:
Asselian - Roadian, Sr2
Province:
Syria
Type Locality and Naming
Column: SE Syria, Upper Heil (Amanus Sandstone) Mbr, Lower Heil Mbr.
Synonym:
Lithology and Thickness
Divided into two units, Upper Heil (Amanus Sandstone) Mbr, Lower Heil Mbr. Upper unit of Heil formation consists of sandstone. Middle unit of Heil formation consists of black silty shale. Lower unit of Heil formation consists of mudstone, marl, and sandstone.
Lithology Pattern:
Sandy_claystone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Najeeb Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit in SE Syria
Regional extent
GeoJSON
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Fossils
Age
Asselian – Roadian (based on Geology of Iraq book diagram)
Age Span:
Beginning stage:
Asselian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
298.89
Ending stage:
Roadian
Fraction up in the ending stage:
1.0
Ending date (Ma):
269.21
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."