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Gulf of Suez Rift

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438:, marks a change in fault polarity from NE-dipping in the Darag Basin to the north to SE-dipping to the south in the Belayim province. It coincides with the location of the Cretaceous inversion structure, the Wadi Araba anticline. It has been suggested that the presence of this structure acted as a barrier to northward propagation of the rift. Its location may also be partly controlled by the Rehba Shear Zone in the underlying basement. 415: 114: 338: 20: 394:(late Early Miocene, c. 18 Ma). In the Middle Miocene break-up occurred along the whole length of the Red Sea rift with seafloor spreading beginning in the Late Miocene. This break-up was associated with a gradual reduction in the rate of rifting along the Gulf of Suez with most activity stopping by the beginning of the Pliocene. 446:
The Morgan accommodation zone marks a switch in fault polarity from NE-dipping to the north to SW-dipping to the south in the Amal-Zeit province. It also coincides with a marked southward widening of the rift zone. There is no earlier structure known that influenced the location of this accommodation
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age limestones of either the Thebes or Waseiyit Formations. Together with the middle to late Eocene Mokattam Formation this sequence reaches a combined maximum thickness of 500 m. These limestones are followed by continental to locally shallow marine red sandstones of the Tayiba Formation, which
101:. This model is consistent with near orthogonal rifting along the entire length of the rift system. Alternative models that suggest initiation by strike-slip faulting and pull-apart basin development along the axis of the rift have not been supported by detailed studies of the rift geometry. 308:
The deepening of the rift is recorded by the lower Miocene Rudeis Formation. The lower part, consisting of marls and sandstones, is overlain by coarse sandstones and conglomerates reflecting a rapid increase in rift topography at that time. The Kareem Formation saw the first development of
190:. These sequences then pass up into the sandstones of the Abu Thora Formation. In the northern Gulf, at Wadi Araba, the early Carboniferous is overlain by upper Carboniferous of the Rod e Hamal, Abu Darag and Ahmeir Formations. In the southern Gulf the Carboniferous strata are capped by 501:
The best quality reservoir in the Gulf of Suez is the mainly Lower Cretaceous Malha Formation, sometimes known as the 'Nubia' or 'Nubian A'. This pre-rift sequence is present throughout the gulf, and has porosities in the range 13–29 % with permeabilities varying from 70 to 400
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limestones of the uppermost middle Miocene Belayim lie unconformably on the Kareem. More restricted basin conditions continued with the upper Miocene South Gharib and Zeit Formations with deposition of halite with some anhydrite and mudstone, representing the last syn-rift deposits.
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The dominant play type in the Gulf of Suez is tilted fault blocks with pre-rift Early Cretaceous sands sealed by syn-rift sequences and source from the Duwi limestone. Additional discoveries have been made in a wide range of structural, stratigraphic and combined play types.
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strata. The Campanian Duwi Formation, known as the Brown Limestone, was deposited throughout the gulf apart from the uplifted area of the North Galala plateau and Wadi Araba where it is replaced by chalk of the Thelmet Formation. These pass up into Sudr Formation chalks of
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units have a combined thickness of about 500 m. They were deposited in a continental environment except in the northeastern part of the gulf where they become marine. The next preserved sequence is the Umm Bogma or Abu Durba Formations of lower
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pre-rift carbonate (source rock); N, R, K, and B = syn- and post-rift Nukhul, Rudeis, Kareem and Belayim formation (sources, reservoirs, seals and overburden); SG = South Gharib salt (seal and overburden); Z=Zeit (seals and overburden); and PP =
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content (TOC) of 2.6 wt% with some samples measuring up to 21 wt%. In the southern part of the gulf, the Miocene source intervals become important as higher geothermal gradients cause parts of the syn-rift sequence to reach maturity. Marine
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in the Gulf of Suez is the Campanian age Brown Limestone or Duwi Member of the Sudr Formation. This unit is typically 25–70 m thick and is distributed from the southern end of the gulf as far north as Wadi Araba. It contains mainly type II
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The Gulf of Suez rift has been intensively studied by academic groups and by companies as analogue for rift basins in general. This is due to the generally good exposure within the onshore part of the rift coupled with the availability of
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of the Nukhul Formation were deposited in shallow marine conditions as the sea began to flood the developing rift. The Nukhul Formation overlies the Abu Zenima Formation in some place but elsewhere is probably age equivalent, reflecting a
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Towards the end of the Miocene, the Arabian Plate began to collide with the Eurasian Plate leading to changes in the plate configuration, the development of the Dead Sea Transform and cessation in rifting in the Gulf of Suez.
792:"Late Cretaceous (c. 84 Ma) compressive deformation of the stable platform of northeast Africa (Egypt): Far-field stress effects of the "Santonian event" and origin of the Syrian arc deformation belt" 379:
structures. These structures were mainly active during the Late Santonian but there is evidence of further movements on the same structures at the end of the Cretaceous and during the Paleogene.
153:. These rocks contain shear zones, such as the Rehba Shear Zone of western Sinai, that are interpreted to have partly controlled the orientation and location of rift structures. 1038: 329:
The Pliocene–Recent postrift sequence reaches up to 2000 m in thickness in the southern part of the rift and is formed of interbedded sandstones, limestones and evaporites.
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Khalil, S.M.; McClay K.R. (2001). "Tectonic evolution of the NW Red Sea-Gulf of Suez rift system". In Wilson, R.C.L.; Whitmarsh, R.B.; Taylor, B.; Froitzheim, N. (eds.).
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Rifting began along the whole of the Red Sea -Gulf of Suez rift system during the Late Oligocene. In the Gulf of Suez rift, the rifting culminated during the
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age. These sandstones are up to 400 m in thickness, form an important reservoir in the Gulf of Suez and are known informally as the 'Nubian' sandstone.
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age, which sit apparently conformably on the Cambrian, although the base represents a hiatus of about 150 Ma. The Umm Bogma Formation is
1443: 1433: 1360: 313:, indicating basin restriction, followed by open marine shales, as coarse clastic deposition began to reduce in the middle Miocene. Shales, 1024: 247:
at the end of the Santonian. Structures such as Wadi Araba became uplifted at this time giving rise to folding and local erosion of pre-
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in age, although it is considered to include Permian strata near its base near Wadi Araba. The Qiseib Formation consists of sandstones,
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of alternating polarity. The changes in fault polarity and position from segment to segment are taken up by broad accommodation zones.
371:. This period was mainly quiet tectonically but the northern part of the gulf region was affected by periodic far-field effects of the 205:
The Qiseib Formation is found throughout the Gulf varying in thickness between 8 m and 300 m. It is thought to be mainly
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The continental sandstones and siltstones of the Abu Zenima Formation represent the earliest syn-rift deposits of late Oligocene (
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Generalised structural cross-section through the Gulf of Suez, just south of the Morgan Accommodation Zone. PZ-LK =
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North of the Gulf of Suez the rift becomes indistinct and its exact geometry uncertain, linking eventually to the
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Raha Formation, a sequence of interbedded shales limestones and sandstone, is succeeded by limestones of the
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until break-up occurred in the middle Miocene, with most of the displacement on the newly developed Red Sea
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Magna Formation is the most important of these younger source rocks with a TOC ranging from 1–2 wt %.
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The upper Cretaceous sequence consists of shallow marine deposits that generally thicken northwards. The
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age are represented by the Esna Shale Formation which overlies the Sudr Formation. This is succeeded by
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The formation of the Red Sea – Gulf of Suez rift system was caused by the anticlockwise rotation of the
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USGS Open-File Report OF99-50-A The Red Sea Basin Province: Sudr-Nubia(!) and Maqna(!) Petroleum System
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age Matullah Formation. The central and northern parts of the gulf were locally affected by a phase of
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USGS Open File Report 99-50-A The Red Sea Basin Province: Sudr-Nubia(!) and Maqna(!) Petroleum Systems
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During the Late Cretaceous to Eocene, the area now occupied by the rift was a shallow sea depositing
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Since the end of the Miocene the area of the Gulf of Suez rift has begun to experience post-rift
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Continental rift zone that was active between the Late Oligocene and the end of the Miocene
8: 1761: 1720: 1671: 1586: 1277: 1151: 1094: 944:"Petroleum geology and potential hydrocarbon plays in the Gulf of Suez rift basin, Egypt" 244: 856: 807: 671:"18 Structural and stratigraphic evolution of the Gulf of Suez Rift, Egypt: a synthesis" 612: 161:
Cambrian rocks of Araba and Naqus Formations occur throughout the region above a planar
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Non-Volcanic Rifting of Continental Margins: A Comparison of Evidence from Land and Sea
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fields and discoveries have been reported from the Gulf of Suez rift with a variety of
403: 289: 179: 67: 1541: 1016: 571:. Special Publication. Vol. 187. Geological Society of London. pp. 453–473. 1676: 1636: 1626: 1611: 1566: 1546: 1483: 1453: 1438: 1385: 1325: 1310: 872: 760: 620: 572: 63: 680:. Mem. Mus. natn. Hist. nat. Vol. Peri-Tethys Memoir 6. Paris. pp. 567–606 1631: 1606: 1601: 1272: 1252: 1199: 1174: 1108: 1089: 1079: 958: 860: 811: 732: 616: 355: 216:
The Qiseib Formation is overlain by the sandstones of the Malha Formation of upper
1531: 624: 1700: 1536: 1403: 1375: 1262: 1156: 1141: 1131: 1126: 1053: 894:. Special Publications. Vol. 80. London: Geological Society. pp. 75–102 754: 566: 542: 537: 391: 368: 182:, while the stratigraphically equivalent Abur Durba Formation consists of black 1715: 1666: 1641: 1621: 1523: 1498: 1320: 1267: 1242: 1237: 1232: 490: 460: 372: 150: 1750: 1661: 1616: 1556: 1513: 1508: 1300: 1146: 1074: 1062: 864: 253: 194: 175: 98: 94: 721:"Development of Accommodation Zones in the Gulf of Suez-Red Sea Rift, Egypt" 260:
sequence was formed during the Campanian/Maastrichtian, continuing into the
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accompanied by flooding of the topographically lowest parts of the rift.
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and linear rift structures are clearly visible on both sides of the gulf
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The Gulf of Suez rift is strongly segmented along its length with
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Wata Formation. This is overlain by sandstones and shales of the
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wells and seismic reflection datasets within the gulf itself.
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10.1130/0091-7613(1999)027<0633:LCCMCD>2.3.CO;2
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age. On the southern margin of the uplifted Wadi Araba, a
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Satellite image of the Gulf of Suez, dark outcrops of the
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Nubia (reservoir rock); UK-EO = Upper Cretaceous to
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Bosworth, W.; Guiraud, R.; Kessler II, L.G. (1999).
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Peri-Tethyan Rift/Wrench Basins and Passive Margins
668: 835: 126:The basement consists of Precambrian rocks of the 990:: CS1 maint: DOI inactive as of September 2024 ( 564: 213:at the base with an overall fining upward trend. 1748: 58:(c. 5 Ma). It represented a continuation of the 718: 592:Bosworth, W.; Huchon, P.; McClay, K.R. (2005). 429: 1032: 305:change to marine conditions within the rift. 281:represent the last of the pre-rift deposits. 937: 935: 441: 836:Kuss, J.; Scheibner, C.; Gietl, R. (2000). 785: 783: 737:10.1306/61EEDC10-173E-11D7-8645000102C1865D 664: 1039: 1025: 748: 746: 697:: CS1 maint: location missing publisher ( 662: 660: 658: 656: 654: 652: 650: 648: 646: 644: 941: 932: 88: 885: 879: 780: 714: 712: 710: 708: 560: 558: 413: 336: 112: 18: 892:Rift Structure: Models and Observations 743: 641: 418:Structural map of the Gulf of Suez rift 1749: 450: 42:zone that was active between the Late 1020: 965:(inactive 2024-09-13). Archived from 759:. Taylor & Francis. p. 500. 705: 594:"The Red Sea and Gulf of Aden Basins" 585: 555: 117:Stratigraphy of the Gulf of Suez rift 1371:West and Central African Rift System 436:Galala-Abu Zenima Accommodation Zone 1047:Major African geological formations 906: 829: 519:Importance as a rift basin analogue 13: 669:Bosworth, W.; McClay K.R. (2001). 496: 14: 1783: 1002: 601:Journal of African Earth Sciences 719:Younes, A.I.; McClay K. (2002). 621:10.1016/j.jafrearsci.2005.07.020 466: 108: 1: 548: 509: 434:This zone, also known as the 156: 47: 430:Zaafarana accommodation zone 397: 7: 531: 409: 362: 267: 200: 121: 10: 1788: 1767:Cenozoic rifts and grabens 1185:Central African Shear Zone 756:Geology of Egypt and Libya 382: 332: 66:being accommodated by the 1685: 1562:Central Pangean Mountains 1522: 1384: 1291: 1223: 1215:Western Meseta Shear Zone 1165: 1103: 1052: 442:Morgan accommodation zone 942:Alsharhan, A.S. (2003). 865:10.2113/geoarabia0503405 526:hydrocarbon exploration 1772:History of the Red Sea 1582:Eastern Rift mountains 1504:Tanzania Coastal Basin 1283:Terra Australis Orogen 419: 359: 169:. These red and white 118: 89:Plate tectonic setting 31: 1597:Great Karas Mountains 1577:Eastern Arc Mountains 1117:Arabian-Nubian Shield 886:Bosworth, W. (1995). 417: 340: 128:Arabian-Nubian Shield 116: 54:) and the end of the 28:Arabian-Nubian Shield 22: 1494:Somali Coastal Basin 1205:Mwembeshi Shear Zone 963:10.1306/062002870143 482:Total organic carbon 288:) to early Miocene ( 97:with respect to the 1672:Teffedest Mountains 1587:Ethiopian Highlands 1278:Pan-African orogens 1248:East African Orogen 1180:Broodkop Shear Zone 1152:West African Craton 1095:Victoria Microplate 857:2000GeoAr...5..405K 808:1999Geo....27..633B 613:2005JAfES..43..334B 480:and has an average 451:Economic importance 1736:List of inselbergs 1706:Jugurtha Tableland 1657:Sankwala Mountains 1652:Rwenzori Mountains 1469:Ouled Abdoun Basin 1464:Orange River Basin 1386:Sedimentary basins 1195:Foumban Shear Zone 1137:Saharan Metacraton 420: 404:thermal subsidence 360: 119: 68:Dead Sea Transform 32: 1744: 1743: 1677:Tibesti Mountains 1637:Mitumba Mountains 1627:Mandara Mountains 1612:Imatong Mountains 1567:Chaillu Mountains 1547:Bambouk Mountains 1484:Rio del Rey Basin 1454:Niger Delta Basin 1439:Iullemmeden Basin 1331:Gulf of Suez Rift 1326:East African Rift 1311:Bahr el Arab rift 1258:Gondwanide Orogen 1190:Chuan Shear Zones 766:978-90-5809-331-8 578:978-1-86239-091-1 38:is a continental 36:Gulf of Suez Rift 1779: 1632:Marrah Mountains 1607:Hoggar Mountains 1602:Guinea Highlands 1592:Great Escarpment 1356:Sangha Aulacogen 1273:Mauritanide Belt 1200:Kandi Fault Zone 1175:Aswa Dislocation 1090:Seychelles Plate 1080:Madagascar Plate 1041: 1034: 1027: 1018: 1017: 996: 995: 989: 981: 979: 977: 971: 948: 939: 930: 929: 927: 925: 910: 904: 903: 901: 899: 883: 877: 876: 842: 833: 827: 826: 824: 822: 787: 778: 777: 775: 773: 750: 741: 740: 731:(6): 1003–1026. 716: 703: 702: 696: 688: 686: 685: 675: 666: 639: 638: 636: 635: 629: 623:. Archived from 607:(1–3): 334–378. 598: 589: 583: 582: 562: 356:Plio-Pleistocene 138:are intruded by 134:, volcanics and 64:spreading centre 49: 1787: 1786: 1782: 1781: 1780: 1778: 1777: 1776: 1747: 1746: 1745: 1740: 1701:Mount Gorongosa 1681: 1542:Aurès Mountains 1537:Atlas Mountains 1524:Mountain ranges 1518: 1404:Blue Nile Basin 1380: 1376:White Nile rift 1287: 1253:Eburnean Orogen 1219: 1210:Todi Shear Zone 1161: 1157:Zimbabwe Craton 1142:Tanzania Craton 1132:Kalahari Craton 1127:Kaapvaal Craton 1099: 1048: 1045: 1014: 1005: 1000: 999: 983: 982: 975: 973: 972:on 14 July 2011 969: 946: 940: 933: 923: 921: 912: 911: 907: 897: 895: 884: 880: 840: 834: 830: 820: 818: 788: 781: 771: 769: 767: 751: 744: 717: 706: 690: 689: 683: 681: 673: 667: 642: 633: 631: 627: 596: 590: 586: 579: 563: 556: 551: 543:Sinai Peninsula 538:Isthmus of Suez 534: 521: 512: 499: 497:Reservoir rocks 469: 461:petroleum plays 453: 444: 432: 412: 400: 385: 365: 335: 270: 203: 159: 146:and a suite of 124: 111: 91: 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Basin 1459:Ogaden Basin 1449:Murzuq Basin 1419:Douala Basin 1394:Angola Basin 1366:Urema Valley 1351:Red Sea Rift 1346:Muglad Basin 1330: 1316:Benue Trough 1122:Congo Craton 1085:Rovuma Plate 1069:Somali Plate 1013: 986:cite journal 974:. 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Index


Precambrian
Arabian-Nubian Shield
rift
Oligocene
Ma
Miocene
Red Sea Rift
spreading centre
Dead Sea Transform
Gulf of Suez
Manzala rift
Nile delta
Arabian Plate
African Plate

Arabian-Nubian Shield
Gneisses
metasediments
granites
granodiorites
dolerite
dykes
unconformity
peneplaination
sandstone
Carboniferous
dolomitic
shales
mudstones

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