Geometry and texture of quartz veins in Wadi Atalla area, Central Eastern Desert, Egypt

Journal of African Earth Sciences

Volumn 47, Issue 2, 2007, Pages 73-87

  Akawy, Ahmed ^a  

^a SOUTH VALLEY UNIVERSITY   (Egypt)

Author keywords

Atalla; Dilation; Eastern Desert; Egypt; En echelon arrays; Fluid pressure; Quartz veins; Stress tensors

Indexed keywords

DEFORMATION MECHANISM; EN ECHELON STRUCTURE; FRACTURE; QUARTZ VEIN; STRUCTURAL GEOLOGY; TEXTURE; THRUST FAULT;

AFRICA; EASTERN DESERT; EGYPT; NORTH AFRICA;

EID: 33847059560     PISSN: 08995362     EISSN: 1464343X     Source Type: Journal    
DOI: 10.1016/j.jafrearsci.2006.11.005     Document Type: Article

References (55)

1. Abdel Tawab M. Gold exploration in Egypt from Pharaonic to modern times. Zentralblatt Geologie-Palaontologie Teil I (1992) 2721-2733
2. Akaad M.K., and Noweir A.M. Lithostratigraphy of the Hammamat - Um Seleimat District, Eastern Desert, Egypt. Nature 223 (1969) 284-285
3. Akawy A. Fault characterization and paleostress analysis in the Precambrian rocks west of the Meatiq Dome, Central Eastern Desert, Egypt. N. Jb. Geol. Palaont. Abh. 228 (2003) 1-35
4. Angelier J. Tectonic analysis of fault slip data sets. Journal of Geophysical Research 89 (1984) 5835-5848
5. Baer G., Beyth M., and Reches Z. Dikes emplaced into fractured basement, Timna igneous Complex, Israel. Journal of Geophysical Research 99 (1994) 24039-24051
6. Basta F.F., Takla M.A., and Bakhit B.R. Gold mineralization of Atalla and Semna areas, Eastern Desert, Egypt. Third International Conference, Geology of the Arab World (1996), Cairo University 63-86
7. Beach A. The geometry of en echelon vein arrays. Tectonophysics 28 (1975) 245-263
8. Biot M.A. Mechanics of Incremental Deformations (1965), Wiley, New York
9. Botros N.S. Genesis of gold mineralization in the North Eastern Desert, Egypt. Annals of the Geological Survey of Egypt XX (1995) 381-409
10. Boullier A., and Robert F. Paleoseismic events recorded in Archean gold-quartz vein networks, Val d Or, Abitibi, Quebec, Canada. Journal of Structural Geology 14 (1992) 161-179
11. Cobbold P.R., Cosgrove J.W., and Summers J.W. Development of internal structures in deformed anisotropic rocks. Tectonophysics 12 (1971) 23-53
12. Cosgrove, J.W., 1995. The expression of hydraulic fracturing in rocks and sediments. In: Ameen, N.S. (Ed.), Fractography: Fracture Topography as a Tool in Fracture Mechanics and Stress Analysis, Geological Society Special Publication, vol. 92, pp. 187-196.
13. Cox S.F., Sun S.S., Etherdige M.A., Wall V.J., and Potter T.F. Structural and geochemical controls on the development of the turbidite-hosted gold quartz vein deposits, wattle Gully Mine, central Victoria, Australia. Economic Geology 90 (1995) 1722-1746
14. Davison I. Fault slip evolution determined from crack-seal veins in pull-aparts and their implications for general slip models. Journal of Structural Geology 17 (1995) 1025-1034
15. Delaney P.T., Pollard D.D., Ziony J.I., and McKee E.H. Field relations between dykes and joints: emplacement processes and paleostress analysis. Journal of Geophysical Research 91 (1986) 4920-4938
16. Durney D.W., and Ramsay J.G. Incremental strains measured by syntectonic crystal growths. In: De Jong K.A., and Scholten R. (Eds). Gravity and Tectonics (1973), Wiley, New York 67-96
17. El Gaby S., List F., and Tehrani R. Geology, evolution and metallogensis of the Pan-African belt in Egypt. In: El Gaby S., and Greiling R.O. (Eds). The Pan-African Belt of Northeast Africa and Adjacent Areas (1988), Vieweg, Braunschweig 17-68
18. El Ramly, M.F., Ivanov, S.S., Kochin, G.C., 1970. The occurrence of gold in the Eastern Desert of Egypt. In: Studies on some mineral deposits of Egypt (Part I, Section Metallic Minerals). Geological Survey of Egypt, pp. 53-63.
19. El Shazly E.M. Classification of the Egyptian mineral deposits. Egyptian Journal of Geology 1 (1957) 1-20
20. Foxford K.A., Nicholson R., Polya D.A., and Hebblethwaite R.P.B. Extensional failure and hydraulic valving at Minas da Panasqueira, Portugal: evidence from vein spatial distributions, displacement and geometries. Journal of Structural Geology 22 (2000) 1065-1086
21. Hancock P.L. Shear zones and veins in Carboniferous limestone near the observatory, Clifton, Bristol. Proc. Bristol Nat. Soc. 32 (1973) 297-306
22. Harraz H.Z., and Ashmawy M.H. Structural and lithogeochemical constraints on the localization of gold deposits at the Sid-Fawakhir Gold Mine area, Eastern Desert, Egypt. Egyptian Journal of Geology 38 (1994) 629-648
23. Harraz H.Z. A genetic model for a mesothermal Au deposit: evidence from fluid inclusions and stable isotopic studies at El Sid Gold Mine, Eastern Desert, Egypt. Journal of African Earth Sciences 30 (2000) 267-282
24. Hoeppener R. Tektonik im Schiefergebrirge. Geol. Rundsch. 44 (1955) 26-58
25. Hussein A.A. Mineral deposits. In: Said R. (Ed). The Geology of Egypt (1990), Balkema, Rotterdam 511-566
26. Jaeger J.C., and Cook N.G.W. Fundamentals of Rock Mechanics. third ed. (1979), Chapman and Hall, London
27. Jolly R.J.H., and Sanderson D.J. A Mohr circle reconstruction for opening of a pre-existing fracture. Journal of Structural Geology 19 (1997) 887-892
28. Khudeir, A.A., 1983. Geology of the ophiolite suite of El Rubshi Area, Eastern Desert, Egypt. Unpublished Ph.D. thesis, Assiut University, Egypt.
29. Malavielle J., and Lacassin R. Bone-shaped boudins in progressive shearing. Journal of Structural Geology 10 (1988) 335-345
30. Maltman A.J. The Geological Deformation of Sediments (1995), Chapman and Hall
31. Marshak S., and Mitra G. Basic Methods of Structural Geology (1988), Prentice Hall, Englewood Cliffs, NJ
32. Mckeagney C.J., Boulter C.A., Jolly R.J.H., and Foster R.P. 3-D Mohr circle analysis of vein opening, Indarama lode-gold deposit, Zimbabwe: implications for exploration. Journal of Structural Geology 26 (2004) 1275-1291
33. Means W.D. Stress and Strain (1976), Springer-Verlag, Berlin
34. Meere P. High and low density fluids in a quartz vein from the Irish Variscides. Journal of Structural Geology 17 (1995) 435-446
35. Mohamed, M.A., 1986. Geological and mineralogical significance of the Atalla Lineaments, Central Eastern Desert of Egypt. Unpublished M.Sc. thesis, Assiut University, Egypt.
36. Mussa M.A., and Abu El Leil I. Structural analysis as a guide to mineralization trends in the North Eastern Desert of Egypt. Annals of the Geological Survey of Egypt XIII (1983) 271-276
37. Nicholson R., and Ejiofor I. The three-dimensional morphology of arrays of echelon and sigmoidal, mineral-filled fractures: data from Cornwall. Journal of the Geological Society of London 144 (1987) 79-83
38. Nicholson R. Vein morphology, host rock deformation and the origins of the fabrics of echelon mineral veins. Journal of Structural Geology 13 (1991) 635-641
39. Passchier C.W., and Trouw R.A.J. Microtectonics (1996), Springer, Berlin
40. Price N.J., and Cosgrove J.W. The Analysis of Geological Structures (1990), Cambridge University Press, Cambridge
41. Ramsay J.G., and Huber M.I. The Techniques of Modern Structural Geology, 1 - Strain Analysis (1983), Academic Press, London
42. Ramsay J.G. The crack-seal mechanism of rock deformation. Nature 284 (1980) 135-139
43. Roering C. The geometrical significance of natural en echelon crack arrays. Tectonophysics 5 (1968) 107-123
44. Sabet A.H., Tosgeov V.B., Bordonosov V.P., Baburin L.M., and Zalata A. On gold mineralization in the Eastern Desert of Egypt. Annals of the Geological Survey of Egypt VI (1976) 201-212
45. Sibson R.H., Robert F., and Poulson K.H. High angle reverse faults, fluid pressure cycling and mesothermal gold-quatrz deposits. Geology 16 (1988) 551-555
46. Sibson, R.H., 1990. Conditions for fault valve behaviour. In: Knipe, R.J., Rutter, E.H. (Eds.), Deformation Mechanics, Rheology and Tectonics, Geological Society Special Publication, vol. 54, pp. 15-28.
47. Sibson, R.H., 1994. Crustal stress, faulting and fluid flow. In: Parnell, J. (Ed.), Geofluids: Origin, Migration and Evolution of Fluids in Sedimentary Basins, Geological Society Special Publication, vol. 78, pp. 69-84.
48. Smith J.V. Geometry and kinematics of convergent vein array systems. Journal of Structural Geology 18 (1996) 1291-1300
49. Smith J.V. Inter-array and intra-array kinematics of en echelon sigmoidal veins in cross-bedded sandstone, Merimbula, southeastern Australia. Journal of Structural Geology 21 (1999) 387-397
50. Smith J.V. Textures recording transient porosity in synkinematic quartz veins, South Coast, New South Wales, Australia. Journal of Structural Geology 27 (2005) 357-370
51. Sperner B. Computer programs for kinematic analysis of brittle deformation structures and the Tertiary tectonic evolution of the western Carpathians (Slovakia). Tub. Geow. Arb. Reihe A 27 (1996) (Tubingen)
52. Suppe J. Principles of Structural Geology (1985), Prentice-Hall, Englewood Cliffs, NJ
53. Vannucchi P. Monitoring paleo-fluid pressure through vein microstructures. Journal of Geomechanics 32 (2001) 567-581
54. Williams P.F., and Urai J.L. Curved vein fibres - an alternative explanation. Tectonophysics 158 (1989) 311-333
55. Zhang X., and Sanderson D.J. Effects of loading direction on localized flow in fractured rocks. In: Yuan J.X. (Ed). Computer Methods and Advances in Geomechanics (1997), Balkema, Rotterdam 1027-1032