Harash Formation

Harash Fm

Period:

Paleogene

Age Interval:

Thanetian

Province:
Sirte Basin

Type Locality and Naming

Synonym: upper Jabal Zenten Gr; Zelten Limestone Fn

References: Ahlbrandt, 2001

Lithology and Thickness

The Harash Fm is intercalations of shale and limestone (Fig. 7 of Ahlbrandt, 2001).

Lithology Pattern:

Clayey limestone

Relationships and Distribution

Lower contact

It conformably overlies the Zelten Fm.

Upper contact

It conformably overlain by the Kheir Fm.

Regional extent

GeoJSON

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Fossils

Age

Schematic stratigraphic column of Ahlbrant (2001) places as upper Thanetian, minus the uppermost Thanetian which is the Kheir Fm onset.

Age Span:

Beginning stage:

Thanetian

Fraction up in beginning stage:

0.4

Beginning date (Ma):

57.94

Ending stage:

Thanetian

Fraction up in the ending stage:

0.9

Ending date (Ma):

56.32

Depositional setting

Depositional pattern:

Additional Information

Compiler:

T. S. Ahlbrandt (2001): The Sirte Basin Province of Libya—Sirte-Zelten Total Petroleum System, U.S. Geological Survey Bulletin 2202–F

R.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/