Mulussa Fm
Period:
Triassic
Age Interval:
Carnian – Norian, Iq3
Province:
Iraq
Type Locality and Naming
Column: Rutba Uplift (W Iraq)
Synonym:
Lithology and Thickness
The formation consists of mainly limestone, sometimes sandy and oolitic, often dolomitized with subordinate yellow marl, and marly limestone. An oolitic locally conglomeratic, fossiliferous limestone bed, designated as the "i" marker occurs in the middle of the formation. Up to 150m thick but wedges out by erosion towards the N and NW
Lithology Pattern:
Dolomitic limestone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Ga'ara Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Zor Hauran Fm
Regional extent
GeoJSON
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Fossils
Age
Carnian - Norian
Age Span:
Beginning stage:
Carnian
Fraction up in beginning stage:
0.12
Beginning date (Ma):
235.84
Ending stage:
Norian
Fraction up in the ending stage:
0.8
Ending date (Ma):
210.05
Depositional setting
Depositional pattern:
Additional Information
Compiler:
From S. Z. Jassim and J. C. Goff, Geology of Iraq, 2006. pg 105, Fig. 9-1: "Stratigraphic correlation of the Late Permian-Liassic Megasequence (AP6)."