Qishn Fm
Period:
Cretaceous
Age Interval:
Barremian – Aptian, On2
Province:
Oman
Type Locality and Naming
Column: Oman Outcrop
Synonym: Qishn I Fm, Qishn II Fm, Qishn III Fm, Qishn IV Fm
Lithology and Thickness
Limestone. It is further divided into Qishn I Fm, Qishn II Fm, Qishn III Fm, Qishn IV Fm
Lithology Pattern:
Limestone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Jurf I Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Al-Hassanat IV Fm
Regional extent
GeoJSON
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Fossils
Age
Barremian – Aptian
Age Span:
Beginning stage:
Barremian
Fraction up in beginning stage:
0.4
Beginning date (Ma):
124.46
Ending stage:
Aptian
Fraction up in the ending stage:
0.4
Ending date (Ma):
118.12
Depositional setting
Depositional pattern:
Additional Information
Compiler:
From Forbes, G.A., Hansen, H.S.M., and Shreurs, J., 2010. Lexicon of Oman: Subsurface Stratigraphy. Gulf Petrolink, 371 pp. (plus enclosures and CD); and Middle East Geological Timescale 2008 Al-Husseini, Journal of Middle East Petroleum Geosciences v 13. no. 4