Mineral zoning, phase relations, and P-T evolution of high-pressure granulites from the Lelukuau Terrane, northeastern Grenville Province, Quebec

Canadian Mineralogist

Volumn 43, Issue 1, 2005, Pages 443-462

  Yang, Panseok ^a,b   Indares, Aphrodite D ^a  

^a MEMORIAL UNIVERSITY OF NEWFOUNDLAND   (Canada)

^b UNIVERSITY OF CALGARY   (Canada)

Author keywords

Bulk rock composition; Coronitic samples; Granoblastic samples; Grenville Province; High pressure granulites; Lelukuau terrane; Mineral zoning; P T pseudosection; Quebec

Indexed keywords

GARNETS; GRANULAR MATERIALS; HIGH PRESSURE EFFECTS; IGNEOUS ROCKS; QUARTZ;

HIGH-PRESSURE GRANULITES; MINERAL ASSEMBLAGES; MINERAL ZONING; PHASE RELATIONS;

MINERALOGY;

GRANULITE; METAMORPHISM; P-T CONDITIONS; PHASE EQUILIBRIUM;

CANADA; CANADIAN SHIELD; GRENVILLE PROVINCE; NORTH AMERICA; QUEBEC [CANADA]; WESTERN HEMISPHERE; WORLD;

EID: 18944408269     PISSN: 00084476     EISSN: None     Source Type: Journal    
DOI: 10.2113/gscanmin.43.1.443     Document Type: Article

References (35)

1. Berman, R.G. (1991): Thermobarometry using multi-equilibrium calculations: a new technique, with petrological applications. Can. Mineral. 29, 833-855.
2. 2O: application to the Pouébo Terrane, Pam Peninsula, New Caledonia. J. Metamorph. Geol. 17, 9-24.
3. Connolly, J.A.D. (1990): Multivariable phase diagrams: an algorithm based on generalized thermodynamics. Am. J. Sci. 290, 666-718.
4. 2. Contrib. Mineral. Petrol. 33, 191-214.
5. Holland, T.J.B. & Powell, R. (1998): An internally consistent thermodynamic data set for phases of petrological interest. J. Metamorph. Geol. 16, 309-343.
6. Indares, A.D. (1992): Eclogitized gabbros from the eastern Grenville Province: textures, metamorphic context, and implications. Can. J. Earth Sci. 30, 159-173.
7. Indares, A.D. (2003): Metamorphic textures and P-T evolution of high-P granulites from the Lelukuau terrane, NE Grenville Province. J. Metamorph. Geol. 21, 35-48.
8. Indares, A.D. & Dunning, G. (2001): Partial melting of high P-T metapelites from the Tshenukutish terrane (Grenville Province): petrography and U-Pb geochronology. J. Petrol. 42, 547-565.
9. Indares, A.D. & Dunning, G. (2004): Crustal architecture above the high-P Belt of the Grenville Province in the Manicouagan area: new structural, petrologic and U/Pb age constraints. Precamb. Res. (in press).
10. Indares, A.D., Dunning, G. & Cox, R. (2000): Tectono-thermal evolution of deep crust in a Mesoproterozoic continental collision setting: the Manicouagan example. Can. J. Earth Sci. 37, 325-340.
11. Indares, A.D., Dunning, G., Cox, R., Gale, D. & Connelly, J. (1998): High-pessure, high-temperature rocks from the base of thick continental crust: geology and age constraints from the Manicouagan Imbricate Zone, eastern Grenville Province. Tectonics 17, 426-440.
12. Kretz, R. (1983): Symbols for rock-forming minerals. Am. Mineral. 68, 277-279.
13. Lang, H.M. & Gilotti, J.A. (2001): Plagioclase replacement textures in partially eclogitised gabbros from the Sanddal mafic-ultramafic complex, Greenland Caledonides. J. Metamorph. Geol. 19, 495-515.
14. Longerich, H.P. (1995): Analysis of pressed pellets of geological samples using wavelength-dispersive X-ray fluorescence spectrometry. X-ray Spectrom. 24, 123-136,
15. Marmo, B.A., Clarke, G.L. & Powell, R. (2002): Fractionation of bulk rock composition due to porphyroblast growth: effects on eclogite facies mineral equilibria, Pam Peninsula, New Caledonia. J. Metamorph. Geol. 20, 151-165.
16. Mørk, M.B.E. (1985): Incomplete high P-T metamorphic transitions within the Kvamsøy pyroxenite complex, west Norway: a case study of disequilibrium. J. Metamorph. Geol. 3, 245-264.
17. Mongkoltip, P. & Ashworth, J.R. (1983): Quantitative estimation of an open-system symplectite-forming reaction: restricted diffusion of Al and Si in coronas around olivine. J. Petrol. 24, 635-661.
18. Nagel, T., De Capitani, C. & Frey, M. (2002): Isograds and P-T evolution in the eastern Lepontine Alps (Graubünden, Switzerland). J. Metamorph. Geol. 20, 309-324.
19. O'Brien, P.J., Röhr, C., Okrusch, M. & Patzak, M. (1992): Eclogite facies relics and a multistage breakdown in metabasites of the KTB pilot hole, NE Bavaria: implications for the Variscan tectonometamorphic evolution of the NW Bohemian Massif. Contrib. Mineral. Petrol. 112, 261-278.
20. O'Brien, P.J. & Rötzler, J. (2003): High-pressure granulites: formation, recovery of peak conditions and implications for tectonics. J. Metamorph. Geol. 21, 3-20.
21. Pattison, D.R.M. (2003): Petrogenic significance of orthopyroxene-free garnet + clinopyroxene + plagioclase ± quartz-bearing metabasites with respect to the amphibolite and granulite facies. J. Metamorph. Geol. 21, 21-34.
22. Pattison, D.R.M. & Bégin, N.J. (1994) Zoning patterns in orthopyroxene and garnet in granulites: implications for geothermometry. J. Metamorph. Geol. 12, 387-410.
23. Powell, R., Holland, T.J. & Worley, B. (1998): Calculating phase diagrams involving solid solutions via non-linear equations, with example using thermocalc. J. Metamorph. Geol. 16, 577-588.
24. Rivers, T. (1997): Lithotectonic elements of the Grenville province: review and tectonic implications. Precamb. Res. 86, 117-154.
25. Rivers, T., Ketchum, J., Indares, A. & Hynes, A. (2002): The high pressure belt in the Grenville Province: architecture, timing and exhumation. Can. J. Earth Sci. 39, 867-893.
26. Rivers, T., Martignole, J., Gower, C.F. & Davidson, A. (1989): New tectonic divisions of the Grenville province, southeastern Canadian Shield. Tectonics 8, 63-84.
27. Rivers, T., & Mengel, F.C. (1988): Contrasting assemblages and petrogenetic evolution of corona and noncorona gabbros in the Grenville Province of western Labrador. Can. J. Earth Sci. 25, 1629-1648.
28. Rivers, T., van Gool, J.A.M. & Connelly, J. (1993): Contrasting tectonic styles in the northern Grenville orogen: implications for the dynamics of orogenic fronts. Geology 21, 1127-1130.
29. Rubie, D.C. (1990): Role of kinetics in the formation and preservation of eclogites. In Eclogite Facies Rocks (D.A. Carswell, ed.). Chapman and Hall, New York, N.Y. (111-140).
30. Spear, F.S. & Markussen, J.C. (1997): Mineral zoning, P-T-X-M phase relations, and metamorphic evolution of some Adirondack granulites, New York. J. Petrol. 38, 757-783.
31. Stüwe, K. (1997): Effective bulk composition changes due to cooling: a model predicting complexities in retrograde reaction textures. Contrib. Mineral. Petrol. 129, 43-52.
32. Vance, D. & Mahar, E. (1998): Pressure-temperature paths from P-T pseudosections and zoned garnets: potential, limitations and examples from the Zanskar Himalaya, NW India. Contrib. Mineral. Petrol. 132, 225-245.
33. Zeh A. (2001): Inference of a detailed P-T path from P-T pseudosections using metapelitic rocks of variable composition from a single outcrop, Shackleton Range, Antarctica. J. Metamorph. Geol. 19, 329-350.
34. Zhang, R.Y. & Liou, J.G. (1997): Partial transformation of gabbro to coesite-bearing eclogite from Yangkou, the Sulu terrane, eastern China. J. Metamorph. Geol. 15, 183-202.
35. Zhao, Guochun, Cawood, P.A., Wilde, S.A. & Lu, Liangzhao (2001): High-pressure granulites (retrograded eclogites) from the Hengshan complex, north China craton: petrology and tectonic implications. J. Petrol. 42, 1141-1170.