Geochemistry and petrogenesis of a high-K calc-alkaline Dokhan Volcanic suite, South Safaga area, Egypt: The role of late Neoproterozoic crustal extension

Precambrian Research

Volumn 125, Issue 1-2, 2003, Pages 161-178

  Moghazi, A M ^a  

^a Alexandria University Faculty Of Science   (Egypt)

Author keywords

Dokhan Volcanics; Egypt; Extension; Geochemistry; Neoproterozoic

Indexed keywords

ALUMINUM HYDROXIDE; BARIUM; CALCIUM OXIDE; FERRIC OXIDE; MAGNESIUM OXIDE; NICKEL; RUBIDIUM; STRONTIUM; THORIUM; TITANIUM DIOXIDE; YTTRIUM;

CALC ALKALINE ROCK; CRUSTAL DEFORMATION; EXTENSION; IGNEOUS GEOCHEMISTRY; PETROGENESIS; PROTEROZOIC; VOLCANIC ROCK;

ARTICLE; CONVERGENT EVOLUTION; CRYSTALLIZATION; EGYPT; EVOLUTIONARY RATE; GEOCHEMICAL ANALYSIS; GRANITE; MELTING POINT; PROTEROZOIC; ROCK; SEDIMENTOLOGY; VOLCANIC ASH;

EGYPT; SAFAGA;

EID: 0038810086     PISSN: 03019268     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0301-9268(03)00110-4     Document Type: Article

References (87)

1. Abdel-Rahman, A.M., 1996. Pan-African volcanism: petrology and geochemistry of the Dokhan Volcanic suite in the northern Nubian Shield. Geol. Mag. 133, 17-31.
2. Abdel-Rahman, A.M., Doig, R., 1987. The Rb-Sr geochronological evolution of the Ras Gharib segment of the northern Nubian Shield. J. Geol. Soc. London 144, 577-586.
3. Akaad, M.K., Noweir, A.M., 1980. Geology and lithostratigraphy of the Arabian Desert orogenic belt of Egypt between latitudes 25°35′S and 26°30′N. Inst. Appl. Geol. Jeddah Bull. 3, 127-135.
4. Almond, D.C., Ahmed, F., Dawoud, A.S., 1984. Tectonic, metamorphic and magnetic styles in the Northern Red Sea Hills of Sudan. Bull. Fac. Sci., King Abdulaziz Univ. Jeddah Bull. 6, 449-458.
5. Allegre, C.J., Minster, J.F., 1978. Quantitative models of trace element behaviour in magmatic processes. Earth Planet. Sci. Lett. 38, 1-25.
6. Atherton, M.P., Ghani, A.A., 2002. Slab breakoff: a model for Caledonian, Late Granite syn-collisional magmatism in the orthotectonic (metamorphic) zone of Scotland and Donegal. Ireland. Lithos 62, 65-85.
7. Basta, E.Z., Kotb, H., Awadalla, M.F., 1980. Petrochemical and geochemical characteristics of the Dokhan Formation at the type locality, Jabal Dokhan, Eastern Desert, Egypt. Inst. Appl. Geol. Jeddah Bull. 3, 121-140.
8. Baubron, J.C., Delfour, J., Vialette, Y., 1976. Geochronologic measurements (Rb/Sr, K/Ar) on rocks of the Arabian Shield, Kingdom of Saudi Arabia. Saudi Arabia Din Min. Res. Tech. Rep. 76-JED, 22, 152 pp.
9. Bentor, Y.K., 1985. The crustal evolution of the Arabo-Nubian Massif with special reference to the Sinai Peninsula. Precambrian Res. 28. 1-74.
10. Beyth, M., Stern, R.J., Althem R., Kröner. A., 1994. The late Precambrian Timna igneous complex, southern Israel: evidence for comagmatic-type sanukitoid monzodiorite and alkali granite magma. Lithos 31, 103-124.
11. Bird, P., 1979. Continental delamination and the Colorado Plateau. J. Geophys. Res. 84, 7561-7571.
12. Davidson, J.P., Ferguson, K.M., Colucci, M.T., Dungan, M.A., 1987. The origin of magmas from the San Pedro-Pellado Volcanic Dokhan Volcanics complex, S. Chile: multicomponent sources and open system evolution. Contrib. Mineral. Petrol. 100, 429-445.
13. Davies, J.H., von Blanckenburg, F., 1995. Slab breakoff: a model of lithospheric detachment and its test in the magmatism and delamination of collisional orogens. Earth Planet. Sci. Lett. 129, 85-102.
14. Dewey, J.F., 1984. Extensional collapse of orogens. Tectonics 7, 1123-1139.
15. El Bayoumi, R.M., Abu Zeid, H.T., Khalaf, E.A., 1997. Upper Proterozoic calc-alkaline and tholeiitic volcanics and their associates in the Gulf of Suez region, Egypt. Ann. Geol. Surv. Egypt 20, 125-142.
16. El Gaby, S., 1975. Petrochemistry and geochemistry of some granites from Egypt. Neus. Jahrb. Mineral. Abh. 124, 89-148.
17. El Gaby, S., List, F.K., Tehrani, R., 1988. Geology, evolution and metallogenesis of the Pan-African belt in Egypt. In: El Gaby, S., Greiling, R.O. (Eds.), The Pan-African Belt of Northeast Africa and Adjacent Areas. Braun, Schweig, Vieweg, pp. 17-68.
18. El Gaby, S., Khudeir, A.A., El Taky, M., 1989. The Dokhan Volcanics of Wadi Queih area, central Eastern Desert, Egypt. In: Proceedings of the 1st Conference on Geochemistry, Alexandria University, Egypt, pp. 42-62.
19. El Gaby, S., List, F.K., Tehrani, R., 1990. The basement complex of the Eastern Desert and Sinai. In: Said, R. (Ed.), The Geology of Egypt. Balkema Rotterdam, The Netherlands, pp. 175-184.
20. El Ramly, M.F., 1972. A new geological map for the basement rocks in the eastern and southwestern deserts of Egypt. Ann. Geol. Surv. Egypt 2, 1-18.
21. El Shazly, E.M., 1977. The geology of the Egyptian region. In: Narin, A.E., Kanes, W.H., Stehli, F.G. (Eds.), The Ocaen Basins and Margins, 4A, The Eastern Mediterranean. Plenum Press, New York, pp. 379-444.
22. El Sheshtawi, Y.A., El Tokhi, M.M., Ahmed, A.M., 1997. Petrogenesis of the Dokhan Volcanics of Wadi Dib and Wadi Abu Had, Esh El Mellaha, North Eastern Desert, Egypt. Ann. Geol. Surv. Egypt 20, 163-184.
23. Finger, F., Helmy, H.M., 1998. Composition and total-Pb model ages of monazite from high-grade paragneisses in the Abu Swayel area, south Eastern Desert, Egypt. Mineral. Petrol. 62, 269-289.
24. Fleck, R.J., Coleman, R.G., Cornwall, H.R., Greenwood, W.R., Hadley, D.G., 1976. Geochronology of the Arabian shield, western Saudi Arabia: K/Ar results. Geol. Soc. Am. Bull. 87, 9-21.
25. Fleck, R.J., Greenwood, W.R., Hadley, D.G., Andersen, R.E., Schmidt, D.L., 1980. Age and evolution of the southern part of the Arabian Shield. Instit. Appl. Geol. Jeddah Bull. 3, 1-17.
26. Francis, M.H., 1972. Geology of the basement complex of the North Eastern Desert between latitudes 27°30′S and 28°00′N. Ann. Geol. Surv. Egypt 2, 161-180.
27. Frisch, W., Abdel-Rahman, A.M., 1999. Petrogenesis of the Wadi Dib alkaline ring complex, Eastern Desert of Egypt. Mineral. Petrol. 65, 249-275.
28. Fritz, H., Wallbrecher, E., Khudeir, A.A., Abu El Ela, F.F., Dallmeyer, D.R., 1996. Formation of Neoproterozoic metamorphic core complexes during oblique convergence Eastern Desert, Egypt. J. Aft. Earth Sci. 23, 311-329.
29. Geological Map of Egypt, 1987. Scale 1:500,000. In: Klitsch, E., List, F.K., Pöhlmann, G. (Compil.), Conoco Coal and the Egyptian General Petroleum Corporation. Technische Fachhochschule, Berlin.
30. Ghobrial, M.G., Lorfi, M., 1967. The geology of Gabal Gattar and Gabal Dokhan areas. Geol. Surv. Egypt., Paper No. 40, 26 pp.
31. Gill, J., 1981. Orogenic Andesites and Plate Tectonics. Springer, Berlin, Heidelberg, New York, 390 pp.
32. Greiling, R.O., Abdeen, M.M., Dardir, A.A., El Akhal, H., El Ramly, M.F., Kamal El Din, G.M., Osman, A.F., Rashwan, A.A., Rice, A.H.N., Sadek, M.F., 1994. A structural synthesis of the Proterozoic Arabian-Nubian Shield in Egypt. Geol. Rundsch. 83, 484-501.
33. Grothaus, B., Eppler, D., Ehrlich, R., 1979. Depositional environments and structural implications of the Hammamat Formation, Egypt. Ann. Geol. Surv. Egypt 9, 564-590.
34. Hadley, D.G., Schmidt, D.L., 1980. Sedimentary rocks and basins of the Arabian Shield and their evolution. Instit. Appl. Geol. Jeddah Bull. 3, 25-50.
35. Hamilton, W.B., 1988. Plate tectonics and island arcs. Geol. Soc. Am. Bull. 100, 1503-1527.
36. Harms, U., Darbyshire, D.P.F., Denkler, T., Hengst, M., Schandelmeier, H., 1994. Evolution of the Neoproterozoic Delgo suture zone and crustal growth in Northern Sudan: geochemical and radiogenic isotope studies. Geol. Rundsch. 83, 591-603.
37. Hashad, A.H., 1980. Present status of geochronological data on the Egyptian basement complex. Instit. Appl. Geol. Jeddah Bull. 3, 31-46.
38. Hassan, M.A., Hashad, A.H., 1990. Precambrian of Egypt. In: Said, R. (Ed.), The Geology of Egypt. Balkema, Rotterdam, pp. 201-245.
39. Heikal, M.A., Higazy, M.H., El Rahmany, M.M., 1980. Ignimbritic rhyolite in the Wassif area, Eastern Desert, Egypt. Instit. Appl. Geol. Jeddah Bull. 3, 107-114.
40. Hume, W.F., 1935. Geology of Egypt, VII, Part II, The Later Plutonic and Minor Intrusive Rocks. Survey Egypt, Cairo.
41. Jarrar, G., Wachendorf, H., Zachmann, D., 1993. A Pan-African alkaline pluton intruding the Saramuj conglomerate, south-west Jordan. Geol. Rundsch. 82, 121-135.
42. Kröner, A., Reischmann, T., Wust, H.-J., Rashwan, A., 1988. Is there any pre-Pan-African (>950 Ma) basement in the Eastern Desert of Egypt? In: El Gaby, S., Greiling, R.O. (Eds.), The Pan-African Belt of Northeast Africa and Adjacent Areas. Braunschweig, Vieweg, pp. 93-119.
43. Kröner, A., Todt, W., Hussein, I.M., Mansour, M., Rashwan, A., 1992. Dating of late Proterozoic ophiolites in Egypt and the Sudan using single zircon evaporation technique. Precambrian Res. 59, 15-32.
44. Kröner, A., Krüger, J., Rashwan, A.A., 1994. Age and tectonic setting of granitoid gneisses in the Eastern Desert of Egypt and south-west Sinai. Geol. Rundsch. 83, 502-513.
45. Le Bas, M.J., Le Maitre, R.W., Streckeisen, A., Zanetin, B., 1986. A chemical classification of volcanic rocks based on the total alkalies-silica diagram. J. Petrol. 27, 745-750.
46. Mawas, S.G., 1986. Geological and geochemical studies on the area southwest of Safaga, Eastern Desert, Egypt. Unpublished Ph.D. thesis, Assiut University, Egypt, 212 pp.
47. McCourt, W.J., 1990. The geochemistry and tectonic setting of the granitic rocks and associated rocks in the Aqaba and Araba complexes of Southwest Jordan. Nat. Res. Auth. Bull. 10, 1-96.
48. Moghazi, A.M., 1994. Geochemical and radiogenic isotope studies of some basement rocks at the Kid area, southeastern Sinai, Egypt. Unpublished Ph.D. thesis, Alexandria University, Egypt, 377 pp.
49. Moghazi, A.M., 1999. Magma source and evolution of late Neoproterozoic granitoids in the Gabal El Urf area, Eastern Desert, Egypt: geochemical and Sr-Nd isotopic constraints. Geol. Mag. 136, 285-300.
50. Moghazi, A.M., 2002. Petrology and geochemistry of Pan-African granitoids, Kab Amid area, Egypt: implications for tectono-magmatic stages in the Arabian-Nubian Shield evolution. Mineral. Petrol. 75, 41-67.
51. Moghazi, A.M., Andersen, T., Oweiss, G.A., El Bouseily, A.M., 1998. Geochemical and Sr-Nd-Pb isotopic data bearing on the origin of Pan-African granitoids in the Kid area, southeast Sinai, Egypt. J. Geol. Soc. London 155, 697-710.
52. Mohamed, F.H., Moghazi, A.M., Hassanen, M.A., 2000. Geochemistry, petrogenesis and tectonic setting of late Neoproterozoic Dokhan-type volcanic rocks in the Fatira area, eastern Egypt. Int. J. Earth Sci. 88, 764-777.
53. Neumann, E.R., Sundvoll, B., Overli, P.E., 1990. A mildly depleted upper mantle beneath southeast Norway: evidence from basalts in the Permo-Carboniferous Oslo rift. Tectonophysics 178, 89-107.
54. Pearce, J.A., Cann, J.R., 1973. Tectonic setting of basic volcanic rocks determined using trace element analyses. Earth Planet. Sci. Lett. 19, 290-300.
55. Pearce, J.A., Harris, N.B.W., Tindle, A.G., 1984. Trace element discrimination diagrams for the tectonic interpretation of granitic rocks. J. Petrol. 25, 956-983.
56. Peccerillo, A., 1985. Roman comagmatic province (central Italy): evidence for subduction-related magma geneses. Geology 13, 103-106.
57. Peccerillo, A., Taylor, S.R., 1976. Geochemistry of Eocene calc-alkaline volcanic rocks from the Kastamonu area, northern Turkey. Contrib. Mineral. Petrol. 58, 63-81.
58. Ragab, A.I., 1987. On the petrogenesis of the Dokhan Volcanics of the Northern Eastern Desert of Egypt. MERC Ain Shams Univ., Egypt, Earth Sci. Ser. 1, 151-158.
59. Ressetar, R., Monard, J.R., 1983. Chemical composition and tectonic setting of the Dokhan Volcanic formation, Eastern Desert, Egypt. J. Afr. Earth Sci. 1, 103-112.
60. Ries, A.C., Shackelton, R.M., Graham, R.H., Fitches, W.R., 1983. Pan-African structures, ophiolites and melange in the Eastern Desert of Egypt: a traverse at 26°N. J. Geol. Soc. London 140, 75-95.
61. Rock, N.M.S., 1984. Nature and origin of calc-alkaline lampophyres: minettes, vogesites, korsantites, and spessartites. Trans. Roy. Soc. Edinburgh 74, 193-227.
62. Rogers, N.W., Hawkesworth, C.J., 1985. The geochemistry of potassic lavas from Vulsini, central Italy, and implications for mantle enrichment processes beneath the Roman region. Contrib. Mineral. Petrol. 90, 244-257.
63. Rogers, N.W., Hawkesworth, C.J., Mattey, D.P., Harmon, R.S., 1987. Sediment subduction and the source of potassium in orogenic leucitites. Geology 15, 451-453.
64. Sacks, P.E., Secor, D.T., 1990. Delamination in collisional belts. Geology 18, 999-1002.
65. Schandelmeier, H., Richter, A., Harms, U., 1987. Proterozoic deformation of the East Saharan Craton in southeast Libya, south Egypt, and north Sudan. Tectonophysics 140, 233-246.
66. Shervais, J.W., 1982. Ti-V plots and the petrogenesis of modern ophiolitic lavas. Earth Planet. Sci. Lett. 59, 101-118.
67. Schürmann, H.M., 1966. The Precambrian Along the Gulf of Suez and the Northern Part of the Red Sea. EJ Bill Leiden, 404 pp.
68. Sloman, L.E., 1989. Triassic Shoshonites from the Dolomites, northern Italy, alkaline arc rocks in a strike-slip setting. J. Geophys. Res. 94, 4655-4666.
69. Stacey, J.S., Agar, R.A., 1985. U-Pb isotopic evidence for the accretion of a continental microplate in the Zalm region of the Saudi Arabian Shield. J. Geol. Soc. London 142, 1189-1204.
70. Stern, R.J., 1981. Petrogenesis and tectonic setting of late Precambrian ensimatic volcanic rocks, central Eastern Desert of Egypt. Precambrian Res. 16, 195-230.
71. Stern, R.J., 1994. Arc assembly and continental collision in the Neoproterozoic East African Orogen: implications for the consolidation of Gondwanaland. Ann. Rev. Earth Planet. Sci. 22, 319-351.
72. Stern, R.J., 2002. Crustal evolution in the East African Orogen: a neodymium isotopic prospective. J. Afr. Earth Sci. 34, 109-117.
73. Stern, R.J., Gottfried, D., 1986. Petrogenesis of late Precambrian (575-600 Ma) bimodal suite in northeast Africa. Contrib. Mineral. Petrol. 92, 492-501.
74. Stern, R.J., Hedge, C.E., 1985. Geochronologic and isotopic constraints on late Precambrian crustal evolution in the Eastern Desert of Egypt. Am. J. Sci. 285, 97-127.
75. Stern, R.J., Voegeli, D.A., 1987. Geochemistry, geochronology, and petrogenesis of a Late Precambrian (=590 Ma) composite dike from the North Eastern Desert of Egypt. Geol. Rundsch. 76, 325-341.
76. Stern, R.J., Gottfried, D., Hedge, C.E., 1984. Late Precambrian rifting and crustal evolution in the northeast Desert of Egypt. Geology 12, 168-172.
77. Stern, R.J., Sellers, G., Gottfried, D., 1988. Bimodal dyke swarms in the North Eastern Desert of Egypt: significance for the origin of late Precambrian "A-type" granites in northern Afro-Arabia. In: El Gaby, S., Greiling, R.O. (Eds.), The Pan-African Belt of Northeast Africa and Adjacent Areas. Vieweg, Weisbaden, pp. 147-177.
78. Sultan, M., Tucker, R.D., El Alfy, Z., Attia, R., Ragab, A.G., 1994. U-Pb (zircon) ages for the gneissic terrane west of the Nile, southern Egypt. Geol. Rundsch. 83, 514-522.
79. Sun, S.-S., 1982. Chemical composition and origin of the Earth's primitive mantle. Geochim Cosmochim. Acta 46, 179-192.
80. Sun, S.-S., McDonough, W.E., 1989. Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes. In: Saunders, A.D., Norry, M.J. (Eds.), Magmatism in the Oceanic Basins. Geol. Soc. Spec. Publ. 42, 313-345.
81. Sylvester, P.J., 1989. Post-collisional alkaline granites. J. Geol. 97, 261-280.
82. Thirwall, M.F., 1988. Wenlock to mid-Devonian volcanism of the Caledonian-Applachian Orogen. In: Harris, A.I., Fettes, D.J. (Eds.), The Caledonian-Applachian Orogen. Geol. Soc. London Spec. Publ. 38, 415-428.
83. Turner, S.P., Platt, J.P., George, R.M.M., Kelly, S.P., Pearson, D.G.; Norwell, G.M., 1999. Magmatism associated with orogenic collapse of the Betic-Alboran Domain, S.E. Spain. J. Petrol. 40, 1011-1036.
84. Vail, J.R., 1985. Pan-African (Late Precambrian)tectonic terrains and the reconstruction of the Arabian-Nubian Shield. Geology 13, 839-842.
85. Wilde, S.A., Youssef, K., 2000. Significance of SHRIMP U-Pb dating of the imperial porphyry and associated Dokhan Volcanics, Gebel Dokhan, North Eastern Desert, Egypt. J. Afr. Earth Sci. 31, 403-413.
86. Willis, K.M., Stern, R.J., Clauer, N., 1988. Age and geochemistry of late Precambrian sediments of the Hammamat Series from the northeastern Desert of Egypt. Precambrian Res. 42, 173-187.
87. Wilson, M., 1989. Igneous Petrogenesis. Unwin Hyman, London, 457 pp.