Pan African volcanism: Geochemistry and Petrogenesis of Um Khariga metavolcanics, central Eastern Desert, Egypt

Chemie der Erde

Volumn 60, Issue 1, 2000, Pages 47-66

  El Nisr, S A ^a  

^a Alexandria University Faculty Of Science   (Egypt)

Author keywords

[No Author keywords available]

Indexed keywords

GEOCHEMICAL CYCLE; GEOCHEMISTRY; PETROGENESIS; PETROLOGY; VOLCANISM;

EASTERN DESERT; EGYPT;

EID: 0034068595     PISSN: 00092819     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (46)

1. ABDEL-RAHMAN, A. M.: Pan-African volcanism: petrology and geochemistry of the Dokhan Volcanic suit in the northern Nubian shield. Geol. Mag. 133 (1996), 17-31.
2. AKAAD, M. K., ABU ELA, A. M., and EL-KAMSHOSHY, A. A.: Geology of the region West of Marsa Alam, Eastern Desert, Egypt. Geol. Surv. Cairo XIX (1993), 1-18.
3. AKAAD, M. K., and ESSAWY, M. A.: The metavolcanics around Bir Um Khariga, Eastern Desert, Egypt. Fac. Sci. Alexandria Univ. Bull. 18 (1978), 1-17.
4. AKAAD, M. K., and NOWEIR, A. M.: Geology and lithostratigraphy of the Arabian Desert Orogenic Belt of Egypt between Lat. 15°35′ and 26°30′N. Inst. Appl. Geol. Jeddah, Bull. 3 (1980), 127-135.
5. ANDERSON, A. T.: Significance of hornblende in calc-alkaline andesites and basalts. Amer. Mineral. 65 (1980), 837-851.
6. BASSIONY, M. W., EL-AMIN, H., ATTAWIYA, M. Y., SHEREEF, M. R., and MOHAMED, E. A.: Some geochemical features of magmatic rocks in Bir Um Khariga area. A possible arc basin setting. Sci. Tech. Aswan Bull. 9 (1987a), 304-322.
7. BROWN, G. C., THORPE, R. S., and WEBB, P. C.: The geochemical characteristics of granitoids in contrasting arcs and comments on magma sources. Jour. Geol. Soc. London 141 (1984), 413-426.
8. CANN, J. R.: Rb, Sr, Y, Zr and Nb in some ocean floor basaltic rocks. Earth Planet. Sci. Letters 10 (1970), 7-11.
9. DEER, M. S., HOWIE, R. A., and ZUSSMAN, J.: An introduction to the rock forming minerals. Longmans, London (1966), 528 pp.
10. DIXON, T. H.: The evolution of the continental crust in the Late Precambrian Egyptian Shield. Ph. D. thesis, University of California, San Diego, USA (1979), 231 pp.
11. EL-GABY, S., LIST, F. K., and TEHRANI, R.: Geology, evolution and metallogenesis of the Pan-African belt in Egypt. In: S. EL-GABY, and R. D. GREILING (eds.) The Pan-African of NE Africa and adjacent areas. Vieweg-Verlag, Wiesbaden (1988), 17-68.
12. EL-GABY, S., LIST, F. K., and TEHRANI, R.: The Basement Complex in the eastern Desert and Sinai. In: K. SAID (eds.) The Geology of Egypt. Balkama-Rotterdam Brookfield (1990), 175-184.
13. EL-RAMLY, M. F.: A new geologic map for the basement rocks in the Eastern and Southwestern Deserts of Egypt, Scale 1:1,000,000. Ann. Geol. Surv. Egypt 2 (1972), 1-18.
14. EL-SAYED, M. M.: petrochemical and geochemical studies of Marsa Alam metavolcanics Eastern Desert, Egypt. Ms. Sc. thesis, Alexandria Univ. Egypt (1987), 164 pp.
15. EL-SHAZLY, E. M., HASHAD, A. H., SAYYAH, T. A., and BASSYUNI, F. A.: Geochronology of Abu Swayel area, South Eastern Desert, Egypt. J. Geol. 17 (1973), 1-18.
16. ESSAWY, M. A.: Geology of the area around Bir-Um Khariga, Eastern Desert. Unpubl. Ph. D. thesis, Assiut University, Egypt (1967), 446 pp.
17. EWART, A.: The mineralogy and petrology of Tertiary to Recent orogenic volcanic rocks, with special reference to the andesitic-basaltic compositional range. In: R. S. THORPE (eds.) Orogenic Andesites and Related Rocks. Wiley, New York (1982), 25-87.
18. FLOYD, P. A.: Geochemical variation in the greenstones of S. W. England. J. Petrol. 17 (1976), 522-545.
19. FREY, F. A., GREEN, D. H., and ROY, S. D.: Integrated models of basalt petrogenesis: A study of quartz tholeiites to olivine melilites from south western Australia using geochemical and experimental data. J. Petrol. 19 (1978), 463-513.
20. GILL, J.: Orogenic Andesites and Plate Tectonics. New York: Springer-Verlag (1981), 390 pp.
21. GOVINDARAJU, K.: Compilation of working values and sample description for 272 geostandards. Geostandards Newsletter, Special Issue XIII (1989), 1-113.
22. HANSON, G. N., and LANGMUIR, C. H.: Modelling of major elements in mantle-melt systems using trace element approaches. Geoch. Cosmoch. Acta 42 (1978), 725-741.
23. HASHAD, A. H.: Present status of geochronological data on the Egyptian basement complex. Inst. Appl. Geol. Jeddah, Bull. 3 (1980), 31-46.
24. IRVINE, T. N., and BARAGAR, W. R.: A guide to the chemical classification of the common volcanic rocks. Can. J. Earth Sci. 8 (1971), 523-548.
25. KOKELAAR, P.: Petrology and geochemistry of the Rhobell volcanic complex: Amphibole dominated fractionation at an Early Ordovician arc volcano in north Wales. J. Petrol. 27 (1986), 887-914.
26. KRONER, A., LINNEBACHER, P., STERN, R. J., REISCHMANN, T., MANTON, W., and HUSSEIN, I. M.: Evolution of Pan-African island arc assemblages in the southern Red Sea Hills, Sudan, and in southwestern Arabia as examplified by geochemistry and geochronology. In: R. J. STERN, and W. R. VAN SCHMUS (eds.) Proterozoic. Precamb. Res. 53 (1991), 99-118.
27. MCKENZIE, D., and O'NIONS, R. K.: Partial melt distribution from inversion of rare earth element concentrations. J. Petrol. 32 (1991), 1021-1091.
28. MIYASHIRO, A.: Volcanic rock series in island arcs and active continental margins. Amer. J. Sci. 274 (1974), 321-355.
29. PEARCE, J. A.: Trace element characteristics of lavas from destructive plate boundaries. In: R. S. THORPE (eds.) Andesites. John Wiely and Sons, Chichester (1982), 525-548 pp.
30. PEARCE, J. A.: The role of sub-continental lithosphere in magma genesis at destructive plate margins. In: C. J. HAWKESWORTH, and H. J. NORRY (eds.) Continental basalts and mantle xenoliths. Shiva, Nantwich (1983), 230-249.
31. PEARCE, J. A., and CANN, J. R.: Tectonic setting of basic volcanic rocks determined using trace element analyses. Earth Planet. Sci. 19 (1973), 290-300.
32. PECCERILLO, A., and TAYLOR, S. R.: Geocehmistry of Eocene calc-alkaline volcanic rocks from the Kustamonu area, north Turkey. Contrib. Mineral. Petrol. 58 (1976), 63-81.
33. ROEDER, P. L., and EMSLIE, R. F.: Olivine-liquid equilibrium. Contrib. Mineral. Petrol. 29 (1973), 275-289.
34. ROOBOL, M. J., RAMSAY, C. R., JACKSON, N. J., and DARBYSHIRE, D. P. F.: Late Proterozoic lavas of the central Arabian Shield-evolution of an ancient volcanic arc system. J. Geol. Soc. London 140 (1983), 185-202.
35. SALLOUM, G. M., YEHIA, M. A., and TOLBA, M. E.: Tectonics of the Idfu Mersa Alam Area, Central Eastern Desert Egypt. First Conf. on Geochemistry Fac. Sci. Alexandria Univ. Egypt (1989), 225-237.
36. SAUNDERS, A. D., and TARNY, J.: The geochemistry of basalts from a back-arc spreading centre in the East Scotia Sea. Geoch. Cosmoch. Acta 43 (1979), 555-572.
37. SEGEV, A.: The age of the latest Precambrian volcanism in southern Israel, northeastern Sinai and southwestern Jordan, a re-evaluation. Precamb. Res. 36 (1987), 277-285.
38. STAUDIGEL, H., and HART, S. R.: Alteration of basaltic glass: mechanism and significance for the oceanic crust-sea water budget. Geoch. Cosmoch. Acta 47 (1983), 37-50.
39. STERN, R. J.: Petrogenesis and tectonic setting of Late Precambrian ensimatic volcanic rocks, central Eastern Desert of Egypt. Precamb. Res. 16 (1981), 195-230.
40. STERN, R. J., and HEDGE, C. E.: Geochronologic and isotopic constraints on Late Precambrian crustal evolution in the Eastern Desert of Egypt. Amer. J. Sci. 285 (1985), 97-127.
41. TATSUMI, Y., HAMILTON, D. L., and NESBITT, R. W.: Chemical characteristics of fluid phase released from a subducted lithosphere and origin of arc magmas: evidence from high-pressure experiments and natural rocks. J. Volcan. Geoth. Res. 29 (1986), 293-309.
42. THOMPSON, G.: A geochemical study of the low-temperature interaction of sea-water and oceanic igneous rocks. Trans. Amer. Geoph. Union 54 (1973), 1015-1019.
43. VAIL, J. R.: Geochronology of the Sudan. Overseas Geology and Mineral Resources no. 66, London: British Geol. Surv. HMSO (1990), 58 pp.
44. WILSON, M.: Igneous petrogenesis. Union Hyman, London (1989), 457 pp.
45. WOOD, D. A., JORON, J. L., TREUIL, M.: A re-appraisal of the use of trace elements to classify and discriminate between magma series erupted in different tectonic settings. Earth Plan. Sci. Lett. 45 (1979). 326-336.
46. WRIGHT, T. L., and DOHERTY, P. C.: A linear programming and least squares computer method for solving petrologic mixing problems. Geol. Soc. Amer. Bull. 81 (1970), 1995-2008.