Augila Fm
Period:
Paleogene
Age Interval:
Eocene (Bartonian-Priabonian)
Province:
Sirte Basin
Type Locality and Naming
Synonym:
References: Abugares, 2007
Lithology and Thickness
The Augila Formation is subdivided into three members: Lower member is soft shale interbedded with thin clayey limestone or dolomite; Middle member is porous, glauconitic quartz sandstone; and the Upper member is a sandy, slightly glauconitic limestone (Abugares, 2007).
Lithology Pattern:
Sandy limestone
Relationships and Distribution
Lower contact
It unconformably overlies the Gialo Fm.
Upper contact
It is unconformably overlain by the Arida Fm.
Regional extent
GeoJSON
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Fossils
Age
latest Eocene (mid-Bartonian? through Priabonian)
Age Span:
Beginning stage:
Bartonian
Fraction up in beginning stage:
0.5
Beginning date (Ma):
39.37
Ending stage:
Priabonian
Fraction up in the ending stage:
1.0
Ending date (Ma):
33.90
Depositional setting
Shallow marine (Abugares, 2007).
Depositional pattern:
Additional Information
:
Compiler:
s:T. S. Ahlbrandt (2001): The Sirte Basin Province of Libya—Sirte-Zelten Total Petroleum System, U.S. Geological Survey Bulletin 2202–FR.C. Selley (1997): The Sirte Basin of Libya. In: African Basins. Sedimentary Basins of the World, 3, edited by R.C. Selley (Series Editor: K.J. Hsu), Elsevier Science B.V., Amsterdam, pp. 27-37.
Abugares, Miloud M. (2007): Deposition, Diagenesis, and Reservoir Development of the Cretaceous Lidam Formation, SE Sirt Basin, Libya. Durham e-Theses. http://etheses.dur.ac.uk/2599/
Elkanouni, I. E. D. (2014). Sedimentology, Sequence stratigraphy and Spatial-temporal Patterns of the late Paleocene Succession, western Sirt Basin, Libya, Durham e Theses. http://etheses.dur.ac.uk/10538/