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Farafra Depression

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Image
Simplified geological map and cross-sections of the Bahariya <span class="search-highlight">Depression</span> and...
Published: 01 January 2003
Figure 6: Simplified geological map and cross-sections of the Bahariya Depression and the area north of the Farafra Depression. For color legend see Figure 5a (column map color).
Image
(a) Upper Cretaceous to Eocene formations exposed in the <span class="search-highlight">Farafra</span> area (afte...
Published: 01 July 2012
Figure 4: (a) Upper Cretaceous to Eocene formations exposed in the Farafra area (after Hermina, 1990 ) (see also Table 1 ). (b) Correlation of Upper Cretaceous to Lower Tertiary formations in the Farafra Depression (after: locations 1 and 3, Youssef and Abdel Aziz, 1971; 2, Dominik, 1985 ; 5
Image
Photographs of Cretaceous to Paleocene formations exposed in the South Diyu...
Published: 01 July 2012
Figure 5: Photographs of Cretaceous to Paleocene formations exposed in the South Diyur Block. (a) Cretaceous to Paleocene section exposed in the northern scarp face of the Farafra depression. In the foreground is dolomite of the Campanian El Hefhuf Formation (H), overlain by light-colored, cliff
Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 January 2003
GeoArabia (2003) 8 (1): 91–124.
...Figure 6: Simplified geological map and cross-sections of the Bahariya Depression and the area north of the Farafra Depression. For color legend see Figure 5a (column map color). ...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 July 2012
GeoArabia (2012) 17 (3): 133–176.
...Figure 4: (a) Upper Cretaceous to Eocene formations exposed in the Farafra area (after Hermina, 1990 ) (see also Table 1 ). (b) Correlation of Upper Cretaceous to Lower Tertiary formations in the Farafra Depression (after: locations 1 and 3, Youssef and Abdel Aziz, 1971; 2, Dominik, 1985 ; 5...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 1972
AAPG Bulletin (1972) 56 (8): 1448–1463.
.... The Farafra Oasis ( Figs. 1 , 2 ) is in the heart of the Egyptian Western Desert, 300 km west of the Nile at Assiut. The floor of the Farafra depression is covered by chalk and chalky limestone beds that have been correlated with the Tarawan Chalk of the Kharga Oasis. The scarps on both sides...
FIGURES | View All (6)
Journal Article
Published: 12 April 2023
Journal of Foraminiferal Research (2023) 53 (2): 109–119.
...-Guss Abu-Said area. * Correspondence author. E-mail: abeer_refaat@edu.asu.edu.eg 21 1 2022 23 11 2022 2023 The isolated Farafra Oasis is located within the second largest depression in the Western Desert, Egypt. The El-Guss Abu Said Plateau (26°57′39″N, 27°46′23″E...
Journal Article
Published: 29 May 2020
Geochemistry: Exploration, Environment, Analysis (2020) 20 (4): 408–424.
... and isolated desert areas, such as Farafra Oasis, to utilize available groundwater resources. Farafra Oasis is one of the largest morphotectonic depressions in the Eocene limestone plateau of the Western Desert of Egypt and is located in the centre, 140 km SW of the Bahariya Oasis, between latitudes 26° 00...
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Image
(b) Here in the central and southern parts of the <span class="search-highlight">Farafra</span> Oasis, the depres...
Published: 01 July 2012
Figure 5: (b) Here in the central and southern parts of the Farafra Oasis, the depression is floored by shale of the Dakhla Formation (D) with erosional relics of limestone of the Tarawan Formation (T) capping hills, buttes and mesas. In the north, chalky limestone of the Khoman Formation floors
Journal Article
Journal: GSA Bulletin
Published: 01 January 1997
GSA Bulletin (1997) 109 (1): 43–62.
...Wei Luo; Raymond E. Arvidson; Mohamed Sultan; Richard Becker; Mary Katherine Crombie; Neil Sturchio; Zeinhom El Alfy Abstract Depressions of the Western Desert of Egypt (specifically, Kharga, Farafra, and Kurkur regions) are mainly occupied by shales that are impermeable, but easily erodible...
Journal Article
Journal: AAPG Bulletin
Published: 01 February 1961
AAPG Bulletin (1961) 45 (2): 198–218.
... (1953) and Said and Kerdany ( ms .) and which are more than 70 kms. apart, are similar. Everywhere and all along the scarps that surround the depression, the chalk is of Maestrichtian age, the Esna shale is of Landenian age, and the Farafra limestone is of Ypresian age. Figure 3 is a geological map...
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Journal Article
Published: 01 June 2003
Micropaleontology (2003) 49 (Suppl_1): 15–40.
...: Gebel Duwi ( Speijer et al. 1996 , 2000 ; Schmitz et al. 1996 ; Von Salis et al. 1998 ); —in the Western Desert: Gebel Um Ghanayem in the Kharga Oasis, Gebel Bir Abu Nusf in the Farafra Oasis ( Tantawy 1998 ), Gebel Abu Ghurra ( Saad 2001 ); —in the northern part of the Eastern Desert: Wadi...
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Journal Article
Published: 13 December 2016
Geological Magazine (2018) 155 (3): 729–746.
... is also analysed to better understand the prevailing environment in terms of changes in nutrient availability. The Dakhla Oasis is a large topographic depression located in the central Western Desert of Egypt, marked by a less deformed and stable tectonic shelf (Said, 1962 ) ( Fig. 1...
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Journal Article
Published: 04 February 2021
Journal of the Geological Society (2021) 178 (3): jgs2020-147.
.... * Correspondence: keles@geochem.hu 29 07 2020 08 12 2020 14 12 2020 In the Western Desert in Egypt, several oases (e.g. Kurkur, Dungul, Farafra, Khraga and Dakhla) host travertine and/or tufa deposits ( Crombie et al. 1997 ; Sultan et al. 1997 ; Kleindienst et al. 1999 ; Smith et...
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Image
( a ) Comparison of U–Th age data of the studied tufa samples with publishe...
Published: 04 February 2021
Fig. 4. ( a ) Comparison of U–Th age data of the studied tufa samples with published age data: scarp foot depression sediments, Western Desert ( Abotalib et al. 2019 ); playa sediments, eastern Sahara, SW Egypt ( Linstadter and Kropelin 2004 ); tufa, Kharga Oasis ( Smith et al. 2004 b
Journal Article
Journal: AAPG Bulletin
Published: 01 March 1969
AAPG Bulletin (1969) 53 (3): 603–625.
..., but the ancient drainage of the Bahariya and Farafra Oasis depressions has not been investigated. The tectonic initiation of each of these oases did not necessarily start at exactly the same time. Fig. 8. —Deformation and weathering of Miocene sedimentary rocks around Siwa Town. A . Open synclinal folding...
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Journal Article
Published: 01 November 2019
The Journal of Geology (2019) 127 (6): 643–663.
... the retreat of seawater and the uplifting phase in the post–Early Eocene time, terrestrial conditions have prevailed over the Kharga-Farafra stretch, resulting in the deposition of sand dunes, playa deposits, and gravel fills (Hermina 1990 ). The structureless pellets, along with the fractured fish teeth...
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Journal Article
Published: 01 April 2012
Earth Sciences History (2012) 31 (1): 50–75.
...) the Paleocene/Eocene boundary; (9) the origin of the Western Desert depressions (Qattara, Siwa, Dakhla, Kharga, Farafra, Bahariya, and Fayium) (see Figure 1 ); (10) the origin of the sand dunes; (11) the origin of the Miocene evaporites in the Mediterranean Sea and the Gulf of Suez; (12) the Carboniferous...
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Journal Article
Published: 01 July 2010
Journal of Paleontology (2010) 84 (4): 709–719.
... pores; Tsukagoshi, 1990b ). Fourteen Cythere species, which Tsukagoshi and Ikeya (1987) examined, share a depression along the ventral margin, seven pores along the posterodorsal margin (B1, C1, D1, E2, F1, G1, and H1 coded by Tsukagoshi and Ikeya, 1987 ) and seven pores in the depression...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 1976
AAPG Bulletin (1976) 60 (1): 34–64.
... of information. In the center of El Bahariya depression where Upper Cretaceous sedimentary rocks are exposed, eroded anticlines are long, narrow, and closely spaced; they exhibit axial faults which may be thrust faults. The anticlines have been described as “tight folds” (see Salem, 1973 ). The area surrounding...
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