Interlayered eclogites, blueschists and epidote amphibolites from NE Oman: A record of protolith compositional control and limited fluid infiltration

Journal of Petrology

Volumn 38, Issue 11, 1997, Pages 1461-1487

  El Shazly, A K ^a,b   Worthing, M A ^a   Liou, J G ^c  

^a SULTAN QABOOS UNIVERSITY   (Oman)

^b SOUTHERN METHODIST UNIVERSITY   (United States)

^c STANFORD UNIVERSITY   (United States)

Author keywords

Blueschists; Edogites; Epidote amphibolites; Fluids; Stable isotopes

Indexed keywords

EID: 0000636083     PISSN: 00223530     EISSN: None     Source Type: Journal    
DOI: 10.1093/petroj/38.11.1461     Document Type: Article

References (65)

1. Afifi, A. M. & Essene, E.J., 1988. MINFILE: a microcomputer program for storage and manipulation of chemical data on minerals. American Mineralogist 73, 446-447.
2. Agrinier, P., Javoy, M., Smith, D. C. & Pineau, F., 1985. Carbon and oxygen isotopes in eclogites, amphibolites, veins and marbles from the Western Gneiss Region, Norway. Chemical Geology 52, 145-162.
3. Avigad, D., 1993. Tectonic juxtaposition of blueschists and greenschists in Sifnos island (Aegean Sea) - implications for the structure of the Cycladic blueschist belt. Journal of Structural Geology 15, 1459-1469.
4. Badger, R. L., 1993. Fluid interaction and geochemical mobility in metabasalts: an example from the Central Appalachians. Journal of Geology 101, 85-95.
5. Barrientos, X. & Selverstone, J., 1993. Infiltration vs. thermal overprinting of epidote blueschists, Ile de Groix, France. Geology 21, 69-72.
6. Bebout, G. E. & Barton, M. D., 1989. Fluid flow and metasomatism in a subduction zone hydrothermal system: Catalina Schist terrane, California. Geology 17, 976-980.
7. Bebout, G. E. & Barton, M. D., 1993. Metasomatism during subduction: products and possible paths in the Catalina Schist, California. Chemical Geology 108, 61-92.
8. 2. Journal of Petrology 29, 445-522.
9. 5 for oxygen isotope analyses. Geochimica et Cosmochimica Acta 46, 1665-1668.
10. Bröcker, M., 1990. Blueschist-to-greenschist transition in metabasites from Tinos Island, Cyclades, Greece: compositional control or fluid infiltration? Lithos 25, 25-39.
11. 39Ar and oxygen isotope studies of polymetamorphism from Tinos Island, Cycladic blueschist belt, Greece. Journal of Metamorphic Geology 11, 223-240.
12. Carmichael & Ghiorso, 1990. The effect of oxygen fugacity on the redox state of natural liquids and their crystallizing phases. In: Nicholls, J. & Russel, J. K. (eds) Understanding Magmatic Processes. Modem Methods of Igneous Petrology. Mineralogical Society of America, Reviews in Mineralogy 24, 191-212.
13. Chiba, H., Chacko, T., Clayton, R. N. & Goldsmith, J. R., 1989. Oxygen isotope fractionations involving diopside, forsterite, magnetite and calcite: applications to geothermometry. Geochimica et Cosmochimica Acta 53, 2985-2995.
14. Clague, D. A., Frey, F. A., Thompson, G. & Rindge, S., 1981. Minor and trace element geochemistry of volcanic rocks dredged from Galapagos Spreading Centre: role of crystal fractionation and mantle heterogeneity. Journal of Geophysical Research 86, 9469-9482.
15. 5 in the extraction of oxygen from oxides and silicates for isotopic analysis. Geochimica et Cosmochimica Acta 27, 43-52.
16. Desmons, J. & O'Neil, J. R., 1978. Oxygen and hydrogen isotope compositions of eclogites and associated rocks from the eastern Sesia Zone (Western Alps, Italy). Contributions to Mineralogy and Petrology 67, 79-85.
17. Dungan, M. A., Vance, J. A. & Blanchard, D. P., 1983. Geochemistry of the Shuksan greenschists and blueschists, North Cascades, Washington: variably fractionated and altered metabasalts of oceanic affinity. Contributions to Mineralogy and Petrology 82, 131-146.
18. Eiler, J. M., Valley, J. W. & Baumgartner, L. P., 1993. A new look at stable isotope thermometry. Geochimica et Cosmochimica Acta 57, 2571-2583.
19. El-Shazly, A. K., 1994. Petrology of lawsonite, pumpellyite and sodic amphibole-bearing rocks from Saih Hatat, NE Oman. Journal of Metamorphic Geology 12, 23-48.
20. El-Shazly, A. K. & Coleman, R. G., 1990. Metamorphism in the Oman Mountains in relation to the ophiolite emplacement. In: Robertson, A. H. F., Searle, M. P. & Ries, A. (eds) The Geology and Tectonics of the Oman Region. Geological Society, London, Special Publication 49, 475-495.
21. 39Ar dating and petrological data. Journal of Geology 100, 731-751.
22. El-Shazly, A. K. & Liou,J. G., 1991. Glaucophane chloritoid bearing assemblages from NE Oman: petrologic significance and a petrogenetic grid for high P/ T metapelites. Contributions to Mineralogy and Petrology 107, 180-201.
23. El-Shazly, A. K., Coleman, R. G. & Liou, J. G., 1990. Eclogites and blueschists from NE Oman: petrology and P-T evolution. Journal of Petrology 31, 629-666.
24. El-Shazly, A. K., Worthing, M. A.,Jayawardane,J. & Varne, R., 1994. Geochemistry of metamorphosed mafic rocks from Saih Hatat: insights into the pre-obduction history of NE Oman. Journal of the Geological Society, London 151, 999-1016.
25. Ellis, D. J. & Green, D. H., 1979. An experimental study of the effect of Ca upon garnet-clinopyroxene Fe-Mg exchange equilibria. Contributions to Mineralogy and Petrology 71, 13-22.
26. Ernst, W. G., 1979. Coexisting sodic and calcic amphiboles from high-pressure metamorphic belts and the stability of barroisitic amphibole. Mineralogical Magazine 43, 269-278.
27. Essene, E. J. & Fyfe, W. S., 1967. Omphacite in Californian metamorphic rocks. Contributions to Mineralogy and Petrology 15, 1-23.
28. Farver,J. R., 1989. Oxygen self diffusion in diopside with application to cooling rate determinations. Earth and Planetary Science Letters 92, 386-396.
29. Farver, J. R. & Yund, R. A., 1991. Oxygen diflusion in quartz, dependence on temperature and water fugacity. Chemical Geology 90, 55-70.
30. Fournier, R. O. & Potter, R. W., 1982. An equation correlating the solubility of quartz in water from 25° to 900°C at pressures up to 10,000 bars. Geochimica et Cosmochmica Acta 46, 1969-1973.
31. Garlick, G. D., 1969. The stable isotopes of oxygen. In: Handbook of Geochemistry, 2/1. New York: Springer-Verlag, pp. 8-B-1-8-B-27.
32. Getty, S. R. & Selverstone, J., 1994. Stable isotopic and trace element evidence for restricted fluid migration in 2 GPa eclogites. Journal of Metamorphic Geology 12, 747-760.
33. Goffé, B., Michard, A., Kienast, J. R. & Le Mer, O., 1988. A case of obduction related high P low T metamorphism in upper erustal nappes, Arabian continental margin, Oman: PT paths and kinematic interpretation. Tectonophysics 151, 363-386.
34. Grant,J. A., 1986. The isocon diagram - a simple solution to Gresen's equation for metasomatic alteration. Economic Geology 81, 1976-1982.
35. 2-NaCl dihedral angles: constraints on carbonate permeability and the role of deformation during fluid infiltration. Contributions to Mineralogy and Tetrology 119, 301-313.
36. Krogh, E. J., 1988. The garnet-clinopyroxene Fe-Mg geothermometer - a reinterpretation of existing experimental data. Contributions to Mineralogy and Petrology 99, 44-48.
37. Le Métour, J., de Gramont, X. & Villey, M., 1986. Geological map of Masqat and Quryat, sheets NF40-4A, NF40-4D and explanatory notes. Scale 1:100000. Ministry of Petroleum and Minerals, Directorate General of Minerals, Sultanate of Oman.
38. Le Métour, J., Rabu, D., Tegyey, M., Béchennec, F., Beurrier, M. & Villey, M., 1990. Subduction and obduction: two stages in the Eo-Alpine tectonometamorphic evolution of the Oman Mountains. In: Robertson, A. H. F., Searle, M. P. & Ries, A. C. (eds) The Geology and Tectonics of the Oman Region. Geological Society, London, Special Publication 49, 327-339.
39. Leake, B., E., 1978. Nomenclature of amphiboles. Mineralogical Magazine 42, 533-563.
40. Massonne, H.-J. & Schreyer, W., 1987. Phengite geobarometry based on the limiting assemblage with K-feldspar, phlogopite and quartz. Contributions to Mineralogy and Petrology 96, 212-224.
41. Matthews, A., 1994. Oxygen isotope geothermometers for metamorphic rocks. Journal of Metamorphic Geology 12, 211-219.
42. Matthews, A. & Schliestedt, M., 1984. Evolution of the blueschist and greenschist facies rocks of Sifnos, Cyclades, Greece. A stable isotope study of subduction related metamorphism. Contributions to Mineralogy and Petrology 88, 150-163.
43. Matthews, A., Goldsmith, J. R. & Clayton, R. N., 1983. Oxygen isotope fractionations involving pyroxenes: the calibration of mineral pair geothermometers. Geochimica et Cosmochimica Acta 47, 405-413.
44. McCrea, J. M., 1950. On the isotopic chemistry of carbonates and a paleotemperature scale. Journal of Chemistry and Physics 18, 849-857.
45. Nadeau, S., Philippot, P. & Pineau, F., 1993. Fluid inclusion and mineral isotopic compositions (H-C-O) in eclogitic rocks as tracers of local fluid migration during high pressure metamorphism. Earth and Planetary Science Letters 114, 431-448.
46. Oh, C. W., Liou, J. G. & Maruyama, S., 1991. Low temperature eclogites and eclogitic schists in Mn-rich metabasites in Ward Creek, California; Mn and Fe effects on the transition between blueschist and eclogite. Journal of Petrology 32, 275-301.
47. Okrusch, M. & Bröcker, M., 1990. Eclogites associated with high grade blueschists in the Cyclades archipelago, Greece: a review. European Journal of Mineralogy 2, 451-478.
48. Oliver, N. H. S., 1996. Review and classification of structural controls on fluid flow during regional metamorphism. Journal of Metamorphic Geology 14, 477-492.
49. Owen, C., 1989. Magmatic differentiation and alteration in isofacial greenschists and blueschists, Shuksan Suite, Washington: statistical analysis of major element vanation. Journal of Petrology 30, 739-761.
50. Philippot, P., 1993. Fluid-melt-rock interaction in malic eclogites and coesite-bearing metasediments: constraints on volatile recycling during subduction. Chemical Geology 108, 93-112.
51. Philippot, P. & Selverstone, J., 1991. Trace element-rich brines in eclogitic veins: implications for fluid composition and transport during subduction. Contributions to Mineralogy and Petrology 106, 417-430.
52. Reinsch, D., 1979. Glaucophanites and eclogites from Val Chuisella, Sesia Lanzo zone (Italian Alps). Contributions to Mineralogy and Petrology 70, 266-275.
53. Richard, L. R. & Clarke, D. B., 1990. AMPHIBOL: a program for calculating structural formulae and for classifying and plotting chemical analyses of amphiboles. American Mineralogist 75, 421-423.
54. Ridley, J., 1984. Evidence of a temperature-dependent blueschist to eclogite transformation in high pressure metamorphism of metabasic rocks. Journal of Petrology 25, 852-870.
55. Robinson, P., Higgins, N. C. & Jenner, G. A., 1986. Determination of rare earth elements, yttrium and scandium in rocks by an ion exchange X-ray fluorescence technique. Chemical Geology 55, 121-137.
56. Schliestedt, M., 1986. Eclogite-blueschist relationships as evidenced by mineral equilibria in the high pressure metabasic rocks of Sifnos (Cycladic Islands), Greece. Journal of Petrology 27, 1437-1459.
57. Schliestedt, M. & Matthews, A., 1987. Transformation of blueschist to greenschist facies rocks as a consequence of fluid infiltration, Sifnos (Cyclades), Greece. Contributions to Mineralogy and Petrology 97, 237-250.
58. Searle, M. P., Waters, D. J., Martin, H. N. & Rex, D. C., 1994. Structure and metamorphism of blueschist-eclogite facies rocks from the northeastern Oman Mountains. Journal of the Geological Society, London 151, 555-576.
59. Selverstone,J., Morteani, G. & Staude,J. -M., 1991. Fluid channeling during ductile shearing: transformation of granodiorite into aluminous schist in the Tauern Window, Easteni Alps. Journal of Metamorphic Geology 9, 419-431.
60. Selverstone, J., Franz, G., Thomas, S. & Getty, S., 1992. Fluid variability in 2 GPa eclogites as an indicator of fluid behaviour during sub-duction. Contributions to Mineralogy and Petrology 112, 341-357.
61. Shervais, J. W., Taylor, L. A., Lugmair, G. W., Clayton, R. N., Mayeda, T. K. & Korotev, R. L., 1988. Early Proterozoic oceanic crust and the evolution of subcontinental mantle: eclogites and related rocks from southern Africa. Geological Society of America Bulletin 100, 411-423.
62. Sorensen, S. S., 1988. Petrology of amphibolite facies mafic and ultramafic rocks from the Catalina Schist, Southern California: metasomatism and migmatization in a subduction zone metamorphic setting. Journal of Metamorphic Geology 6, 405-435.
63. Valley, J. W., 1986. Stable isotope geochemistry of metamorphic rocks. In: Valley, J. W., Taylor, H. P. & O'Neil, J. R. (eds) Stable Isotopes in High Temperature Geological Processes. Mineralogical Society of America, Reviews in Mineralogy 16, 445-489.
64. Wendt, A. S., D'Arco, P., Goffe, B. & Oberhänsli, R., 1993. Radial cracks around α-quartz inclusions in almandine: constraints on the melamorphic history of the Oman Mountains. Earth and Planetary Science Letters 114, 449-461.
65. Wilson, A. D., 1955. Method for the determination of ferrous iron in rocks and minerals. Bulletin of the Geological Survey of Great Britain 9, 56-58.