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Aqra Formation

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(a) Marlier facies of the <b>Aqra</b> <b>Formation</b> near the southern mouth of Zonta G...
in > GeoArabia
Published: 01 April 2012
Figure 5: (a) Marlier facies of the Aqra Formation near the southern mouth of Zonta Gorge, uninterpreted. Small insert map with star shows the location of the exposure. (b) Same interpreted. Yellow marks layering, red marks incipient cleavage. Note the oblique pattern of cleavage with respect
Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP435.19
EISBN: 9781786202901
... The Cretaceous geological history of the eastern passive margin of the Arabian Plate was dominated by shallow-water carbonate sedimentation that included the Mishrif Formation carbonates deposited in the NE ( Sharland et al. 2001 ; Ziegler 2001 ). The oil fields of southern Iraq (i.e...
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Series: Geological Society, London, Special Publications
Published: 01 January 2007
DOI: 10.1144/GSL.SP.2007.270.01.02
EISBN: 9781862395183
... Abstract The carbonate reservoirs in the Late Oligocene—Early Miocene Asmari Formation in the Dezful Embayment of SW Iran are characterized by low matrix permeability, and effective drainage is dependent on the occurrence of open fractures. Limited information on fracture orientation...
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Journal Article
Published: 01 August 2006
Petroleum Geoscience (2006) 12 (3): 235-246.
... details on the relationships between mechanical stratigraphy and fracture characteristics. This has been investigated in an integrated sedimentological-structural geological study in the Aquitanian sequence of the Asmari Formation on the NE limb of the Khaviz Anticline in the Zagros foothills in SW Iran...
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Series: SEPM Special Publication
Published: 01 January 2000
DOI: 10.2110/pec.00.69.0315
EISBN: 9781565761919
...) is considered as an equivalent to the Yamama Formation. Jib’ab (Upper Senonian), Digma (Maastrichtian), and Qurna (Maastrichtian) Formations are synonyms of the Shiranish Formation. Chatton and Hart (1961) Unification of the Aqra (?Maastrichtian), and Bekhme (Upper Campanian-?Lower Maastrichtian...
Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 April 1998
GeoArabia (1998) 3 (2): 229-248.
...Adnan A.M. Aqrawi ABSTRACT A stratigraphic scheme for the Paleozoic of the Southwestern Desert of Iraq is proposed based upon the review of recently published data from several deep wells in the western part of the country and from outcrops in other regions in Iraq. The main formations...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 July 2015
GeoArabia (2015) 20 (3): 99-140.
..., Tanuma, Sadi, Kometan, Hartha, Shiranish, Aqra/Bekhme, Tanjero Formations Surgah, Ilam, Gurpi, Amiran Formations Reservoir Limestone (shaly) 90–59.8 13–0 12.2 AP8 Albian to Lower Turonian Mauddud, Rutbah, Ahmadi, Rumaila, Kifl, Balambo Formations Sarvak Formation Reservoir Limestone...
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Image
The contact between the interfingering interval of the <b>Aqra</b>–Tanjero formati...
Published: 24 January 2014
Figure 4. The contact between the interfingering interval of the Aqra–Tanjero formations and the overlying red beds, Mawat–Chwarta area (Sorakalat section). (a) Limestone bed (L) overlain by olive mudstone dipping 35° NE in the upper Tanjero Formation
Journal Article
Journal: AAPG Bulletin
Published: 01 March 2007
AAPG Bulletin (2007) 91 (3): 275-286.
...S. N. Ehrenberg; P. H. Nadeau; A. A. M. Aqrawi Abstract A compilation of average porosity and permeability data for petroleum reservoirs in the Permian–Triassic Khuff Formation and the Jurassic Arab Formation shows that most Khuff reservoirs have an average porosity of less than 12%, whereas most...
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Journal Article
Published: 01 April 1995
Journal of the Geological Society (1995) 152 (2): 259-268.
.... The influence of sea-level fluctuations during the Holocene evolution of the Tigris–Euphrates Delta has resulted in the formation of different sedimentary environments of mixing marine and fresh waters favourable for Ca–Mg carbonates formation. Evaporitic environments were the main source for dolomite formed...
Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 January 2013
GeoArabia (2013) 18 (1): 139-174.
...Thamer A. Mahdi; Adnan A.M. Aqrawi; Andrew D. Horbury; Govand H. Sherwani ABSTRACT The CenomanianÐEarly Turonian reservoirs of the Mishrif Formation of the Mesopotamian Basin hold more than one-third of the proven Iraqi oil reserves. Difficulty in predicting the presence of these mostly rudistic...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 April 1998
GeoArabia (1998) 3 (2): 417-418.
... rights reserved 1998 GULF PETROLINK CC BY-NC On page 232, in Figure 2, the Ga’ara Formation is incorrectly shown to be present in the “Outcrop North Iraq” column. The Ga’ara is not reported in this area. In Figure 2, Lower Carboniferous rocks are incorrectly shown to be absent in Akkas-1...
FIGURES
Journal Article
Published: 01 November 2008
Petroleum Geoscience (2008) 14 (4): 307-318.
... and concise portraiture of a very large and complex geological terrane: the petroliferous part of the Cretaceous sedimentary layer throughout almost the entire Middle East. More detailed data, such as standard deviations, facies proportions and mineralogy are not available in standardized, quantitative format...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 January 2008
GeoArabia (2008) 13 (1): 39-54.
... as the Bekhme Formation by Al-Alawi (1980) . Here the Bekhme Formation is 75 m (246 ft) thick and its lower contact is not exposed. Ditmar et al. (1971) accepted, in principle, the suggestions by Chatton and Hart (1961 , unpublished report) that the Aqra and Bekhme formations are the same unit...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 January 2010
GeoArabia (2010) 15 (1): 31-44.
... Formation, Jib’ab Marl), fore- or back-reef limestones (Bekhme, Aqra and obsolete “Pilsener” formations) and clastics (Tanjero Formation) ( Dunnington, 1958-2005 ; van Bellen et al., 1959 -2005; Jassim and Goff, 2006 ; Al-Mutwali et al., 2008 ). These formations can pass below, above or inter-tongue...
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Journal Article
Published: 01 May 2013
Petroleum Geoscience (2013) 19 (2): 139-155.
... facies equivalent Aqra-Bekhma Formation is cropped out in the core of the anticline. Exposures towards the Taq Taq Field display a 700–900 m-thick heterolithic succession of Late Cretaceous–Miocene age. Various units offer thin shales and sandstones interbedded with thicker limestones, with some...
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Book Chapter

Series: AAPG Memoir
Published: 01 January 2014
DOI: 10.1036/13431863M1063618
EISBN: 9781629812663
... and gas occurs in reservoirs of Cenozoic and Cretaceous age. The largest reserves occur in: 1) carbonate rocks of the Kirkuk Group (Lower Miocene–Oligocene), in fields within the Zagros foldbelt of northeastern Iraq, the largest being Kirkuk field; 2) carbonate rocks of the Mishrif Formation (Turonian...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 April 2012
GeoArabia (2012) 17 (2): 81-116.
...Figure 5: (a) Marlier facies of the Aqra Formation near the southern mouth of Zonta Gorge, uninterpreted. Small insert map with star shows the location of the exposure. (b) Same interpreted. Yellow marks layering, red marks incipient cleavage. Note the oblique pattern of cleavage with respect...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 July 2002
GeoArabia (2002) 7 (3): 541-598.
... in intraformational shales of the Zubair, Biyadh, and Qishn formations of Kuwait, Saudi Arabia, and Yemen, and K100 in the Burgan-Wasia formations of Kuwait and Saudi Arabia. Even in these cases, the MFS are present within limestones deposited further down-systems-tract, notably in Iran (K60—Khalij Member, Gadvan...
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Image
Geological map of the area mapped in detail. The two major anticlines displ...
in > GeoArabia
Published: 01 April 2012
Figure 1:(c) Geological map of the area mapped in detail. The two major anticlines displaying Mesozoic formations in the north correspond to the Aqra (western) and the Bekhme (eastern) anticlines.