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Gafsa Fault

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Journal Article
Journal: AAPG Bulletin
Published: 01 May 2001
AAPG Bulletin (2001) 85 (5): 885-907.
... and vertical lenticular ramifications of the west-northwest to east-southeast-striking Gafsa master fault across Cretaceous to Quaternary series ( Zargouni, 1985 ; Boukadi, 1994 ; Zouari, 1995 ). Second-order and third-order faults strike east-northeast to west-southwest and northwest to southwest and branch...
FIGURES | View All (23)
Journal Article
Journal: Economic Geology
Published: 01 December 2019
Economic Geology (2019) 114 (8): 1599-1620.
...Larbi Rddad; Nejib Jemmali; Marta Sośnicka; Brian Cousens Abstract The juxtaposition of a Triassic evaporite diapir with the organic matter-rich Fahdene Formation (Albian-Vra-conian) along major faults in the Slata ore district raises the question of the roles played by halokinesis, hydrocarbons...
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Image
Seismic section L1 of the <b>Gafsa</b>-Guettar basin showing flower <b>fault</b> structur...
Published: 01 May 2001
Figure 7 Seismic section L1 of the Gafsa-Guettar basin showing flower fault structure and Triassic salt intrusion along N120° Gafsa fault and Cretaceous downlap prograding and onlap-toplap aggrading-retrograding sequence deposit organization around the basin borders. Middle and Upper Cretaceous
Image
Top Cenomanian seismic structural map of the <b>Gafsa</b> block and seismic line c...
Published: 01 May 2001
Figure 6 Top Cenomanian seismic structural map of the Gafsa block and seismic line control locations showing the N60°, N90°, and N120° Gafsa fault system and the distribution of the Moulares and Guettar basin blocks.
Image
Seismic section L8 of the <b>Gafsa</b>-Moulares basin border showing a Triassic sa...
Published: 01 May 2001
Figure 18 Seismic section L8 of the Gafsa-Moulares basin border showing a Triassic salt dome along the N120° Gafsa fault corridor and Jurassic and Lower Cretaceous downlap prograding sequences in rim syncline structures.
Image
Seismic section L9 of the Lower Cretaceous <b>Gafsa</b>-Guettar rim syncline basin...
Published: 01 May 2001
Figure 19 Seismic section L9 of the Lower Cretaceous Gafsa-Guettar rim syncline basin border showing Triassic salt dome intruded along the Gafsa fault corridor and second-order (CI 1 and CI 2) and third-order (1 to 8) downlap prograding and onlap-toplap aggrading-retrograding sequence deposits.
Image
Subsurface tectonic map of <b>Gafsa</b>-Sidi Aïch central and meridional Atlas sh...
Published: 01 May 2001
Figure 4 Subsurface tectonic map of Gafsa-Sidi Aïch central and meridional Atlas showing presented seismic line and well location. This map represents subsurface to surface tectonic structures of first-order faults (thick dark lines), second-order faults and Atlassic folds (thin dark lines
Journal Article
Published: 01 April 1992
Journal of the Geological Society (1992) 149 (2): 257-260.
... in the investigation, the associ- ation between deformation and faulting can be explored most readily if dating is economical and rapid. The folded gravels at Gafsa, in Tunisia (Fig. 2), whose deformation is intimately associated with a major fault (Vita-Finzi 1986), were first dated in 1887 by reference to abundant...
Journal Article
Journal: Lithosphere
Published: 01 February 2011
Lithosphere (2011) 3 (1): 76-91.
...-SE–striking normal faults and basins, such as the Gafsa fault and basin ( Guiraud et al., 1987 ; Boccaletti et al., 1990 ; Soua et al., 2009 ). The development of the basins (grabens and half grabens) resulted in stratigraphic variations in southern and central Tunisia ( Bishop, 1988 ; Bédir, 1995...
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Image
Reconstruction at ca. 200 Ma, with extent of intrusive and extrusive rocks ...
in > Geology
Published: 08 August 2018
Figure 3. Reconstruction at ca. 200 Ma, with extent of intrusive and extrusive rocks of Central Atlantic Magmatic Province (CAMP) large igneous province (LIP). Star denotes location of La Balma–Monte Capio (LBMC) intrusion. A—Apulian-Iberian transcurrent structure; B—Malta escarpment; C—Gafsa
Journal Article
Journal: AAPG Bulletin
Published: 01 March 1975
AAPG Bulletin (1975) 59 (3): 413-450.
... those of the subsident zone have been folded and faulted. The limit between these structural and depositional provinces partly follows the trend ( Fig. 2 ) of the Jeffara flexure and of the fault complex which extends from Gafsa to Tripoli (“accident Sud-tunisien” of Castany, 1954 ). North and west...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 1992
AAPG Bulletin (1992) 76 (9): 1417-1442.
... to the Quaternary. Seismic-structural and isopach mapping of seismic horizons of Cretaceous and Cenozoic megasequences shows the partition of the mobile graben depocenter and carbonate and siliciclastic platform basins. These basins are limited by synsedimentary restrictions along strike-slip faults oriented east...
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Image
(A) Structural trend map of Tunisia. The following four geological domains ...
Published: 01 February 2011
diapirs decrease in frequency, with none observed southwest of Gafsa, and fold orientations are ENE-WSW. (B) Boxed area in A. Major features include the NW-SE–trending Gafsa fault, and the E-W–trending, partially exposed Fault of Chotts. The Alima anticline is located in the western portion of the map
Image
Seismic-reflection lines and interpretations. Surface trajectories are pres...
Published: 01 February 2011
Figure 9. Seismic-reflection lines and interpretations. Surface trajectories are presented in Figure 8 . (A) Line GSB-150 runs SW to NE across the Moulares Basin and terminates within a fold related to the Gafsa fault. (B) Line Met-8909a runs NNW to SSE across the southern portion
Journal Article
Journal: AAPG Bulletin
Published: 01 September 1988
AAPG Bulletin (1988) 72 (9): 1033-1058.
... rocks ( Busson, 1967 ). The limit between these provinces partly follows the trend of the Jeffara flexure ( Figure 1 ). The relation of this flexure to the Gafsa fault or “accident sud-tunisien” of Castany (1954) is uncertain, as is the relation between this system and the Saharan flexure (“accident...
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Series: Geological Society, London, Special Publications
Published: 01 January 2006
DOI: 10.1144/GSL.SP.2006.262.01.03
EISBN: 9781862395107
... is outlined by the South Atlas Flexure, which represents the main tectonic feature separating the Saharan Platform from the North African Atlas ( Fig. 1 ). The area includes a wide continental platform composed of two main tilted blocks bounded by the major NW-SE- to east-west-trending faults (i.e. Gafsa...
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BLG 1, GNT 1, SO 1, KHA 1, and BK 1 well-to-well lithostratigraphic correla...
Published: 01 May 2001
Figure 15 BLG 1, GNT 1, SO 1, KHA 1, and BK 1 well-to-well lithostratigraphic correlations of Triassic, Jurassic, and Cretaceous sedimentary series across master fault and second-order fault corridors of the Gafsa-Sidi Aïch regions (see Figure 3 for identification of wells).
Image
Late Triassic to Early Cretaceous plate reconstructions of the western Teth...
Published: 01 January 2011
(late Ladinian). The areas affected by the first rifting events are bounded by orange lines. Transform faults are shown in green. Dark-red line is an incipient spreading center. GF—Gafsa fault; IB—Ionian Basin; 1—northwest Africa; 2—northeast Africa; 3—North America; 4—Morocco; 5—Iberia; 6—Tunisia; 7
Journal Article
Journal: GSA Bulletin
Published: 01 January 2011
GSA Bulletin (2011) 123 (1-2): 89-105.
... (late Ladinian). The areas affected by the first rifting events are bounded by orange lines. Transform faults are shown in green. Dark-red line is an incipient spreading center. GF—Gafsa fault; IB—Ionian Basin; 1—northwest Africa; 2—northeast Africa; 3—North America; 4—Morocco; 5—Iberia; 6—Tunisia; 7...
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Journal Article
Journal: Geology
Published: 08 August 2018
Geology (2018) 46 (9): 823-826.
...Figure 3. Reconstruction at ca. 200 Ma, with extent of intrusive and extrusive rocks of Central Atlantic Magmatic Province (CAMP) large igneous province (LIP). Star denotes location of La Balma–Monte Capio (LBMC) intrusion. A—Apulian-Iberian transcurrent structure; B—Malta escarpment; C—Gafsa...
FIGURES | View All (5)