The high-pressure to ultrahigh-pressure eclogite transition in the Western Gneiss Region, Norway

European Journal of Mineralogy

Volumn 12, Issue 3, 2000, Pages 667-687

  Wain, Alice ^a,b   Waters, David ^a   Jephcoat, Andrew ^a   Olijynk, Helmut ^a  

^a UNIVERSITY OF OXFORD   (United Kingdom)

^b BRITISH GEOLOGICAL SURVEY   (United Kingdom)

Author keywords

Coesite; Eclogite; Norway; Ultrahigh pressure metamorphism; Western Gneiss Region

Indexed keywords

GARNETS; QUARTZ; SILICATE MINERALS;

COESITE; ECLOGITES; NORWAY; ULTRA-HIGH PRESSURE METAMORPHISMS; WESTERN GNEISS REGION;

METAMORPHIC ROCKS;

COESITE; ECLOGITE; P-T CONDITIONS; PETROLOGY; ULTRAHIGH PRESSURE METAMORPHISM;

NORWAY; WESTERN GNEISS REGION;

EID: 0034113188     PISSN: 09351221     EISSN: None     Source Type: Journal    
DOI: 10.1127/0935-1221/2000/0012-0667     Document Type: Article

References (40)

1. Andersen, T.B. & Jamtveit, B. (1990): Uplift of deep crust during orogenic extensional collapse: a model based on field studies in the Sogn-Sunnfjord region of Western Norway. Tectonics, 9, 1097-1111.
2. Andersen, T.B., Jamtveit, B., Dewey, J.R, Swensson, E. (1991): Subduction and eduction of continental crust: major mechanisms during continent-continent collision and orogenic extensional collapse, a model based on the south Norwegian Caledonides. Terra Nova, 3, 303-310.
3. Boyer, H., Smith, D.C., Chopin, C., Lasnier, B. (1985): Raman microprobe (RMP) determinations of natural and synthetic coesite. Phys. Chem. Minerals, 12, 45-48.
4. Brueckner, H.K. (1998): Sinking intrusion model for the emplacement of garnet-bearing peridotites into continent collision orogens. Geology, 26, 631-634.
5. Bryhni, I. (1966): Reconnaissance studies of gneisses, ultrabasites, eclogites and anorthosites in Outer Nordfjord, Western Norway. Norges geologiske undersøkelse Bull., 241, 1-68.
6. Bryhni, I. & Griffin, W.L. (1971): Zoning in eclogite garnets from Nordfjord, west Norway. Contrib. Mineral. Petrol., 32, 112-125.
7. Carswell, D.A., Krogh, E.J., Griffin, W.L. (1985): Norwegian orthopyroxene eclogites: calculated equilibrium conditions and petrogenetic implications. The Caledonide Orogen - Scandinavia and related areas. New York, J. Wiley, 823-841.
8. Carswell, D.A., O'Brien, P.J., Wilson, R.N., Zhai, M. (1997): Thermobarometry on phengite-bearing eclogites in the Dabie Mountains of central China. J. metamorphic Geol., 15, 239-252.
9. Chemenda, A.I., Mattauer, M., Bokun, A.N. (1996): Continental subduction and a mechanism for exhumation of high-pressure metamorphic rocks: new modelling and field data from Oman. Earth Planet. Sci. Lett., 143, 176-182.
10. Chopin, C. (1984): Coesite and pure pyrope in high-grade blueschists of the Western Alps: a first record and some consequences. Contrib. Mineral. Petrol., 86, 107-118.
11. Chopin, C. & Sobolev, N.V. (1995): Principal mineralogical indicators of UHP in crustal rocks. In: Coleman, R.G. & Wang, X. (eds), "Ultrahigh pressure metamorphism". Cambridge University Press, 96-131.
12. Chopin, C., Henry, C., Michard. (1991): Geology and petrology of the coesite-bearing terrain, Dora Maira massif, Western Alps. Eur. J. Mineral, 3, 263-291.
13. Dewey, J.F., Ryan, P.D., Andersen, T.B. (1993): Orogenic uplift and collapse, crustal thickness, fabrics and metamorphic phase changes: the role of eclogites. In: Prichard, H.M., Alabaster, T., Harris, N.B.W., Neary, C.R. (eds), "Magmatic processes and plate tectonics". Geological Society, London, Special Publication, 76, 325-343.
14. Dobrzhinetskaya, L.F., Eide, E.A., Larsen, R.B., Sturt, B.A., Trønnes, R.G., Smith, D.C., Taylor, W.R., Posukhova, T.V. (1995): Microdiamond in high-grade metamorphic rocks of the Western Gneiss region, Norway. Geology, 23, 597-600.
15. Eskola, P. (1921): On the eclogites of Norway. Skrift. Videnskaps-selsk. Christiania Mat.-Nutury. K1, 18, 1-118.
16. Gee, D.G. & Sturt, B.A. (eds) (1985): The Caledonide Orogen - Scandinavia and related areas. John Wiley & Sons. 2 Volumes, 1266 p.
17. Gillet, P., Ingrin, J., Chopin, C. (1984): Coesite in subducted continental crust: P-T history deduced from an elastic model. Earth Planet. Sci. Lett., 70, 426-436.
18. Griffin, W.L. & Brueckner, H.K. (1985): REE, Rb-Sr and Sm-Nd studies of Norwegian eclogites. Chemical Geol, 52, 249-271.
19. Griffin, W.L., Austrheim, H., Brastad, K., Bryhni, I., Krill, A.G., Krogh, E.J., Mørk, M.B.E., Qvale, H., Tørudbakken, B. (1985): High-pressure metamorphism in the Scandinavian Caledonides. In: Gee, D.O. & Sturt, B.A. (eds), "The Caledonide Orogen -Scandinavia and related areas". John Wiley & Sons, 783-801.
20. Heinrich, C.A. (1982): Kyanite-eclogite to amphibolite facies evolution of hydrous mafic and peltitic rocks, Adula Nappe, Central Alps. Contrib. Mineral. Petrol., 81, 30-38.
21. Holland, T. & Blundy, J. (1994): Non-ideal interactions in calcic amphiboles and their bearing on amphibole-plagioclase thermometry. Contrib. Mineral. Petrol., 116, 443-447.
22. Krabbendam, M. & Wain, A. (1997): Late-Caledonian structures, differential retrogression and the structural position of (ultra)high-pressure rocks in the Nordfjord-Stadlandet area, Western Gneiss Region. Norges geologiske undersokelse Bull., 432, 127-139.
23. Krogh, E.J. (1977): Evidence for Precambrian continent-continent collision in western Norway. Nature, 267, 17-19.
24. _ (1982): Metamorphic evolution of Norwegian country-rock eclogites, as deduced from mineral inclusions and compositional zoning in garnets. Lithos, 15, 305-321.
25. Krogh, E.J. & Carswell, D.A. (1995): HP and UHP eclogites and garnet peridotites in the Scandinavian Caledonides. In: Coleman, R.G. & Wang, X. (eds), "Ultrahigh Pressure Metamorphism". Cambridge University Press, 244-298.
26. Lappin, M.A. (1966): The field relationships of basic and ultrabasic masses in the basal gneiss complex of Stadlandet and Almklovdalen, Nordfjord, southwestern Norway. Norsk Geologisk Tidsskrift, 46, 439-496.
27. Lappin, M.A. & Smith, D.C. (1978): Mantle-equilibrated orthopyroxene eclogite pods from the Basal Gneisses in the Selje District, western Norway. J. Petrol., 19, 530-584.
28. Mao, H., Hemley, R.J., Chao, E.C.T. (1987): The application of Micro-Raman Spectroscopy to analysis and idenfication of minerals in thin section. Scanning Microscopy, 1, 495-501.
29. Martin, H.N. (1994): Crystal chemistry of the alkali pyroxenes with the application to metamorphic thermobarometry. Unpublished D. Phil. Thesis, University of Oxford.
30. Mosenfelder, J.L. & Bohlen, S.R. (1997): Kinetics of the coesite to quartz transformation. Earth Planet. Sci. Lett., 153, 133-147.
31. Powell, R. (1985): Regression diagnostics and robust regression in geothermometer/geobarometer calibration. The garnet-clinopyroxene thermometer revisited. J. metamorphic Geol, 3, 231-243.
32. Smith, D.C. (1984): Coesite in clinopyroxene in the Caledonides and its implication for geodynamics. Nature, 310, 641-644.
33. _ (1988): A review of the peculiar mineralogy of the "Norwegian coesite-eclogite province", with crystal-chemical, petrological, geochemical and geodynamical notes and an extensive bibliography. In: Smith, D.C. (eds), "Eclogites and eclogite-facies rocks". Elsevier, 1-206.
34. _ (1995): Microcoesites and microdiamonds in Norway: a brief review. In: Coleman, R.G. & Wang, X. (eds), "Ultrahigh pressure metamorphism". Cambridge University Press, 299-355.
35. van der Molen, I. & van Roermund, H.L.M. (1986): The pressure path of solid inclusions in minerals: the retention of coesite inclusions during uplift. Lithos, 9, 317-324.
36. Wain, A. (1997): New evidence for coesite in eclogites and gneisses: Defining an ultrahigh-pressure province in the Western Gneiss Region of Norway. Geology, 25, 927-930.
37. Wain, A.L. (1998): Ultrahigh-pressure metamorphism in the Western Gneiss Region of Norway. Unpublished D. Phil, thesis, University of Oxford, 209 p.
38. Waters, D.J. & Martin, H.N. (1993): Geobarometry in phengite-bearing eclogites. Terra abstracts, 5, 410-411. (Updated calibration of the garnet-clinopyroxene-phengite barometer (1996), at:http://www.earth. ox.ac.uk/∼davewa/research/ecbar.html)
39. Wayte, G.J., Worden, R.H., Ruble, D.C., Droop, G.T.R. (1989): A TEM study of disequilibrium plagioclase breakdown at high pressure: the role of infiltrating fluid. Contrib. Mineral. Petrol., 101, 426-437.
40. Zhang, R.Y. & Liou, J.G. (1997): Partial transformation of gabbro to coesite-bearing eclogite from Yangkou, the Sulu terrane, eastern China. J. metamorphic Geol., 15, 183-202.