Jaddala Fm
Period:
Paleogene
Age Interval:
Ypresian – Priabonian, Iq2
Province:
Iraq
Type Locality and Naming
Column: Central Iraq
Synonym: Globigerina limestone
Lithology and Thickness
Comprises clayey and chalky limestones and marls, with occasional thin tongues of Avanah Limestone shoals.
Lithology Pattern:
Clayey limestone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Aaliji Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Kirkuk Gr
Regional extent
GeoJSON
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Fossils
Age
Ypresian – Priabonian
Age Span:
Beginning stage:
Ypresian
Fraction up in beginning stage:
0.7
Beginning date (Ma):
50.45
Ending stage:
Priabonian
Fraction up in the ending stage:
0.8
Ending date (Ma):
34.67
Depositional setting
Depositional pattern:
Additional Information
Compiler:
From S. Z. Jassim and J. C. Goff, Geology of Iraq, 2006. pg 156, Fig. 13-1: "Stratigraphic correlation of formations of Megasequence AP10."