Gabbro Akarem mafic-ultramafic complex, Eastern Desert, Egypt: A Late Precambrian analogue of Alaskan-type complexes

Mineralogy and Petrology

Volumn 77, Issue 1-2, 2003, Pages 85-108

  Helmy, H M ^a   El Mahallawi, M M ^a  

^a Minia University ^*  (Egypt)

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTALLIZATION; GEOCHEMISTRY; IGNEOUS INTRUSION; PETROLOGY; PRECAMBRIAN; ULTRAMAFIC ROCK;

AFRICA; EASTERN DESERT; EGYPT; NORTH AFRICA;

EID: 0347026768     PISSN: 09300708     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00710-001-0185-9     Document Type: Article

References (44)

1. Barnes S-J (1985) The petrography and geochemistry of komatiite flows from the Abitibi greenstone belt and a model for their formation. Lithos 18: 241-270
2. Brown AV, Page NJ, Love AH (1988) Geology and platinum-group element geochemistry of the Serpentine Hill complex, Dundas Trough, Western Tasmania. Can Mineral 26: 161-175
3. Carter GS (1975) Final report on the investigation of copper-nickel sulphide mineralization at Gabbro Akarem. Internal Report, Aswan Mineral Survey Project, Geological Survey of Egypt
4. Chai G, Naldrett AJ (1992) The Jinchuan ultramafic intrusion: cumulate of a high-Mg basaltic magma. J Petrol 33: 277-303
5. Cruden AR (1990) Flow and fabric development during the diapiric rise of magma. J Geol 98: 681-698
6. Debari SM, Coleman RG (1989) Examination of the deep levels of an island arc: evidence from the Tonsina ultramafic-mafic assemblage, Tonsina, Alaska. J Geophys Res 94(B4): 4373-4391
7. Dick HJB (1977) Partial melting in the Josephine Peridotite. 1. The effect on mineral composition and its consequence for geobarometry and geothermometry. Am J Sci 277: 721-736
8. Dixon TH (1979) Evolution of continental crust in the Late Precambrian Egyptian Shield. Thesis, University of California, San Diego
9. Dixon TH (1981) Age and chemical characteristics of some pre-Pan-African rocks in the Egyptian Shield. Precamb Res 14: 113-119
10. Echeverria LM (1980) Tertiary or Mesozoic komatiites from Gorgona Island, Colombia: field relations and geochemistry. Contrib Mineral Petrol 73: 253-266
11. Efimov AA (1998) The platinum belt of the Urals: structure, petrogenesis, and correlation with platiniferous complexes of the Aldan Shield and Alaska. Abstr, 8th Intern Platinum Symp, South Africa, pp 93-96
12. Fershtater GB, Montero P, Borodina NS, Pushkarev EV, Smirnov VN, Bea F (1997) Uralian magmatism: an overview. Tectonophysics 276: 87-102
13. Findlay DC (1969) Origin of the Tulameen ultramafic-gabbro complex, southern British Columbia. Can J Earth Sci 6: 399-425
14. Garson MS, Shalaby IM (1976) Precambrian-Lower Paleozoic plate tectonics and metallogenesis in the Red Sea region. Geol Assoc Canada, Spec Pap No 14
15. Hafez AMA, Abdel Kader Z, Shalaby IM (1991) Zoned mafic-ultramafic complex in Wadi Abu Hamamid, South Eastern Desert. Ann Geol Surv Egypt XVII: 53-65
16. Helmy HM, Mogessie A (2001) Gabbro Akarem, Eastern Dessert, Egypt: Cu-Ni-PGE mineralization in a concentrically zoned mafic-ultramafic complex. Mineral Deposita 36: 58-71
17. Helmy HM, Stumpfl EF, Kamel OA (1995) Platinum group minerals (PGM) from the Abu Swayel Cu-Ni-PGE deposit, South Eastern Desert, Egypt. Econ Geol 90: 2350-2360
18. Hussein AA, Aly MM, El-Ramly MF (1982) A proposed new classification of the granites of Egypt. J Volcanol Geotherm Res 14: 187-198
19. Irvine TN (1967) Chromian spinel as petrogenetic indicator, part II. Petrogenetic applications. Can J Earth Sci 4: 72-103
20. Irvine TN (1974) Petrology of the Duke Island ultramafic complex, southeastern Alaska. Geol Soc Am Mem 138: 240 p
21. James RS, Hawke D (1984) Geology and petrology of the Kanichee layered complex, Ontario. Can Mineral 22: 93-109
22. Kepezhinskas PK, Taylor RN, Tanaka H (1993) Geochemistry of plutonic spinels from the north Kamchatka Arc: comparisons with spinels from other tectonic settings. Mineral Mag 57: 575-589
23. Kurat G, Palme H, Embey-Isztin, Touret J, Ntaflos T, Spettel B, Brandstatter F, Palme C, Dreibus G, Prinz M (1993) Petrology and geochemistry of peridotites and associated vein rocks of Zabargad Island, Red Sea, Egypt. Mineral Petrol 48: 309-341
24. Leake BE (1978) Nomenclature of amphiboles. Can Mineral 16: 501-520
25. Loney RA, Himmelberg GR (1992) Petrogenesis of the Pd-rich intrusion at Salt Chuck, Prince of Wales Island: an early Paleozoic Alaskan-type ultramafic body. Can Mineral 30: 1005-1022
26. Mysen P, Kyshiro J (1977) Compositional variations of coexisting phases with degree of melting of peridotite in the upper mantle. Am Mineral 62: 843-852
27. Naldrett AJ (1981) Nickel sulfide deposits: classification, composition, and genesis. Econ Geol 75th anniversary volume: 628-685
28. Nimis P (1995) Clinopyroxenes from plagioclase peridotites (Zabargad Island, Red Sea) and comparison between high- and low-pressure mantle clinopyroxenes. Mineral Petrol 53: 49-61
29. Nixon GT, Cabri LJ, Laflamme JHG (1990) Platinum-group-element mineralization in lode and placer deposits associated with the Tulameen Alaskan-type complex, British Columbia. Can Mineral 28: 503-535
30. Piccardo GB, Messiga B, Vannucci R (1988) The Zabargad peridotite-pyroxenite association: petrological constraints on its evolution. Tectonophysics 150: 135-162
31. Rajamani V, Naldrett AJ (1978) Partitioning of Fe, Co, Ni and Cu between sulfide liquid and basaltic melts and the composition of Ni-Cu sulfide deposits. Econ Geol 73: 82-93
32. Roeder PL, Emslie RF (1970) Olivine-liquid equilibrium. Contrib Mineral Petrol 29: 275-289
33. Schandelmeier H, Wipfler E, Kuster D, Sultan M, Becker R, Stern RJ, Abdelsalam MG (1994) The Atmur-Delgo suture: a Neoproterozoic oceanic basin extending into the interior of North Africa. Geology 22: 563-566
34. Sha Lian-Kun (1995) Genesis of zoned hydrous ultramafic-mafic silicic intrusive complexes: an MHFC hypothesis. Earth Sci Rev 39: 59-90
35. Shackleton RM (1994) Review of Late Proterozoic sutures, ophiolitic melanges and tectonics of eastern Egypt and north-east Sudan. Geol Rundsch 83: 537-546
36. Sharara NA, Wilson GC, Rucklidge JC (1999) Platinum-group elements and gold in Cu-Ni-mineralized peridotite at Gabbro Akarem, Eastern Desert, Egypt. Can Mineral 37: 1081-1097
37. Snoke AW, Quick JE, Bowman HR (1981) Bear Mountain igneous complex, Klamath Mountains, California: an ultrabasic to silicic calk-alkaline suite. J Petrol 22: 501-552
38. Stephen R, Sparks J, Huppert HE (1984) Density changes during the fractional crystallization of basaltic magmas: fluid dynamic implications. Contrib Mineral Petrol 85: 300-309
39. Stern RJ (1985) The Najd Fault System, Saudi Arabia and Egypt: a late Precambrian rift-related transform system? Tectonics 4(5): 497-511
40. Taylor HP Jr (1967) The zoned ultramafic complexes of southeastern Alaska: In: Wyllie PJ (ed) Ultramafic and related rocks. Wiley, New York, pp 97-121
41. Taylor SR, McLennan SM (1985) The continental crust: its composition and evolution. Blackwell Science Publications, Oxford London, 312 p
42. Tistl M (1994) Geochemistry of platinum-group elements of the zoned ultramafic Alto Condoto complex, Northwest Colombia. Econ Geol 89: 158-167
43. Tistl M, Burgath KP, Hohndorf A, Kreuzer H, Munoz R, Salinas R (1994) Origin and emplacement of Tertiary ultramafic complexes in northwest Colombia: evidence from geochemistry and K-Ar, Sm-Nd and Rb-Sr isotopes. Earth Planet Sci Lett 126: 41-59
44. Turner JS, Gustafson LB (1981) Fluid motion and compositional gradients produced by crystallization or melting at vertical boundaries. J Volcanol Geotherm Res 11: 93-125