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Zebbag Formation

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Image
—Isopach map of Turonian part of <b>Zebbag</b> <b>Formation</b>: log top of <b>Zebbag</b> ( Figu...
Published: 01 September 1988
Figure 13 —Isopach map of Turonian part of Zebbag Formation: log top of Zebbag ( Figure 15 ) to top of Annaba in and around Kerkennah West permit (elsewhere, Turonian carbonate or equivalent). Contour interval = 50 m. Fault symbol indicates approximate trend of Jeffara flexure.
Journal Article
Journal: AAPG Bulletin
Published: 01 September 1988
AAPG Bulletin (1988) 72 (9): 1033-1058.
...Figure 13 —Isopach map of Turonian part of Zebbag Formation: log top of Zebbag ( Figure 15 ) to top of Annaba in and around Kerkennah West permit (elsewhere, Turonian carbonate or equivalent). Contour interval = 50 m. Fault symbol indicates approximate trend of Jeffara flexure. ...
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Journal Article
Journal: PALAIOS
Published: 01 July 2012
PALAIOS (2012) 27 (7): 455-464.
...MICHELA CONTESSI; FEDERICO FANTI Abstract The discovery of fossil bird tracks from the Cenomanian Kerker Member (Zebbag Formation) in southern Tunisia represents the oldest report of fossil birds from the Cretaceous of continental Africa. Three small bird tracks were discovered in a track-bearing...
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Journal Article
Published: 01 March 2010
Journal of Paleontology (2010) 84 (2): 321-331.
... hundred well-preserved, fairly complete specimens that are free of sediment matrix, found in a single bed of an ammonite-bearing Albian succession (‘ Knemiceras beds’, Zebbag Formation) in central Tunisia. This study provides the most nearly complete knowledge of any Eoradiolites species to date...
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Image
—Sub-<b>Zebbag</b> reference section from a well in Kerkennah West permit. Equival...
Published: 01 September 1988
Figure 17 —Sub-Zebbag reference section from a well in Kerkennah West permit. Equivalents to Barremian-Aptian Meloussi to Orbata Formations found elsewhere in Tunisia ( Fournie, 1978 ) are present in permit area, but these units themselves are not recognized.
Image
Figure 2.  Eoradiolites plicatus  ( Conrad, 1852 ) from the Albian of Tunis...
Published: 01 March 2010
Figure 2. Eoradiolites plicatus ( Conrad, 1852 ) from the Albian of Tunisia (“ Knemiceras beds,” Zebbag Formation, Jabal Naïmia, Gafsa), stereo-pairs, scale bar  =  10 mm; 1 , PUAB 74791, right valve, ventral view; 2–3 , PUAB 74779, both valves, upper and ventral view respectively; 4–5
Image
Figure 4.  Eoradiolites plicatus  ( Conrad, 1852 ) from the Albian of Tunis...
Published: 01 March 2010
Figure 4. Eoradiolites plicatus ( Conrad, 1852 ) from the Albian of Tunisia (“ Knemiceras beds,” Zebbag Formation, Jabal Naïmia, Gafsa), transverse sections of right valves close to the commissure, scale bar  =  10 mm; 1 , PUAB 74836; 2 , PUAB 74797; 3 , PUAB 74823; 4 , PUAB 74811; 5
Image
Figure 3. Scatter diagram showing range of variation in height versus width...
Published: 01 March 2010
Figure 3. Scatter diagram showing range of variation in height versus width in specimens of Eoradiolites plicatus ( Conrad, 1852 ) from the Albian of Tunisia (“ Knemiceras beds,” Zebbag Formation, Jabal Naïmia, Gafsa). Specimens with broken apical end are represented by open dots; total height
Image
Figure 6.  Eoradiolites plicatus  ( Conrad, 1852 ) from the Albian of Tunis...
Published: 01 March 2010
Figure 6. Eoradiolites plicatus ( Conrad, 1852 ) from the Albian of Tunisia (“ Knemiceras beds,” Zebbag Formation, Jabal Naïmia, Gafsa), stereo-pairs, scale bar  =  10 mm; 1 , PUAB 74799, inner-ventral view of the left valve showing up-right growth of the outer shell layer, the “outer” surface
Image
Figure 5.  Eoradiolites plicatus  ( Conrad, 1852 ) from the Albian of Tunis...
Published: 01 March 2010
Figure 5. Eoradiolites plicatus ( Conrad, 1852 ) from the Albian of Tunisia (“ Knemiceras beds,” Zebbag Formation, Jabal Naïmia, Gafsa), scale bar  =  10 mm; 1 , PUAB 74823, transverse section of the right valve close to the commissure, showing the ligament crest and teeth sockets as well
Image
Figure 7.  Eoradiolites plicatus  ( Conrad, 1852 ) from the Albian of Tunis...
Published: 01 March 2010
Figure 7. Eoradiolites plicatus ( Conrad, 1852 ) from the Albian of Tunisia (“ Knemiceras beds,” Zebbag Formation, Jabal Naïmia, Gafsa), scale bar  =  10 mm; 1–3 , PUAB 74840, serial transverse sections (polished sections) of a young specimen, preserved inside the concavity of the left valve
Journal Article
Journal: AAPG Bulletin
Published: 01 May 2001
AAPG Bulletin (2001) 85 (5): 885-907.
... shallow-marine and deep-marine clays, black shales, and carbonate packages that have reefal platform deposits ( Boltenhagen, 1981 ; Bédir, 1995 ; Ben Youssef, 1999 ; Abdallah, 2000 ). They are assembled in the Albian-Cenomanian Zebbag Formation, Cenomanian-Turonian Guettar member, Turonian-Campanian...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 2015
AAPG Bulletin (2015) 99 (9): 1649-1669.
... facies to more neritic facies ( Mejri et al., 2006 ). It includes the continental Asfer and Sidi Aïch Formations at the base, successively overlain by the marine Orbata, Zebbag, and Aleg Formations ( Figure 2 ). The main hydrocarbon source rock for Paleozoic and Triassic reservoirs in southern...
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Journal Article
Journal: AAPG Bulletin
Published: 01 March 1975
AAPG Bulletin (1975) 59 (3): 413-450.
... —This interval includes the Ain Tobi, Jefren, and Garian Formations of Libya and the Zebbag of Tunisia ( Fig. 11 ). The Late Cretaceous transgression covered most of North Africa and reached the Hoggar during late Cenomanian ( Furon, 1963 ). Whereas depositional limits of earlier units were in or just south...
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Journal Article
Journal: AAPG Bulletin
Published: 11 December 1999
AAPG Bulletin (1999) 83 (12): 1-40.
... of the African plate relative to the Eurasian plate ( Van Houten, 1980 ; Anketell, 1996 ). The lower and upper sandstone members of the Upper Jurassic to Lower Cretaceous Nubian formation are clearly the primary reservoir targets for the area (Clifford et al., 1980; Ibrahim, 1991 ; Abdulgader, 1996...
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Series: AAPG Memoir
Published: 01 January 2001
DOI: 10.1306/M74775C22
EISBN: 9781629810621
... attractive secondary reservoir targets within the Cretaceous section. Probably the most important are the shallow-shelf skeletal limestone and dolomite facies of the Cenomanian-Turonian lower and upper Zebbag Formations. In the Libyan nomenclature, this sequence equates to the Alagah and Makhbaz Formations...
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Series: AAPG Hedberg Series
Published: 01 January 2004
DOI: 10.1306/1025701H13126
EISBN: 9781629810461
... of Hammamet, north of the Gulf of Gabes). Toward the south, this level corresponds to the dominantly dolomitic Zebbag formation ( Figure 6a ). The lower Fahdene formation is composed of black platy limestones, black limestones, and black to gray marl and light gray to dark gray, nonlaminated nodular...
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Journal Article
Published: 01 May 2012
Bulletin de la Société Géologique de France (2012) 183 (3): 217-231.
... by rudist-gravel facies of the Zebbag Formation [ Philip et al. , 1989 ]. Several Albian buildups composed of hexacorallian limestones were reported previously, for instance in Nebeur [ Jauzein, 1967 ], and have been described as faunal proliferations in form of pseudobioherms or “nodular mounds...
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Journal Article
Journal: AAPG Bulletin
Published: 01 October 1975
AAPG Bulletin (1975) 59 (10): 1871-1903.
... fluorescence in these formations. A second well was spudded in this area and was drilling at year-end. In the Rif foothills area. Aquitaine-Maroc drilled a well to explore the deeper part of the Rharb basin below the “Nappe Prerifaine.” This well was bottomed in the granite basement. The Jurassic which...
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