B. Abalos, Omphacite fabric variation in the Cabo Ortegal eclogite (NW Spain): relationships with strain symmetry during high-pressure deformation, Journal of Structural Geology, vol.19, issue.5, pp.621-637, 1997.
DOI : 10.1016/S0191-8141(97)00001-1

B. L. Adams, S. I. Wright, and K. Kunze, Orientation imaging: The emergence of a new microscopy, Metallurgical Transactions A, vol.23, issue.4, pp.819-831, 1993.
DOI : 10.1016/0956-7151(92)90413-9

T. B. Andersen, Extensional tectonics in the Caledonides of southern Norway, an overview, Tectonophysics, vol.285, issue.3-4, pp.333-351, 1998.
DOI : 10.1016/S0040-1951(97)00277-1

D. L. Anderson, Theory of the Earth, 1989.

H. Austrheim, Eclogitization of lower crustal granulites by fluid migration through shear zones, Earth and Planetary Science Letters, vol.81, issue.2-3, pp.221-232, 1987.
DOI : 10.1016/0012-821X(87)90158-0

H. Austrheim, Eclogite formation and dynamics of crustal roots under continental collision zones, Terra Nova, vol.9, issue.5, pp.492-499, 1991.
DOI : 10.1038/310641a0

H. Austrheim and W. L. Griffin, Shear deformation and eclogite formation within granulite-facies anorthosites of the Bergen Arcs, western Norway, Chemical Geology, vol.50, issue.1-3, pp.267-281, 1985.
DOI : 10.1016/0009-2541(85)90124-X

V. Babuska, Elasticity and anisotropy of dunite and bronzitite, Journal of Geophysical Research, vol.69, issue.35, pp.6955-6965, 1972.
DOI : 10.1029/JB077i035p06955

V. Babuska, J. Fiala, M. Kumazawa, and I. Ohno, Elastic properties of garnet solid-solution series, Physics of the Earth and Planetary Interiors, vol.16, issue.2, pp.157-176, 1978.
DOI : 10.1016/0031-9201(78)90086-9

G. Barruol and D. Mainprice, 3-D seismic velocities calculated from lattice-preferred orientation and reflectivity of a lower crustal section: examples of the Val Sesia section (Ivrea zone, northern Italy), Geophysical Journal International, vol.115, issue.3, pp.1169-1188, 1993.
DOI : 10.1111/j.1365-246X.1993.tb01519.x
URL : https://hal.archives-ouvertes.fr/hal-01389122

G. Barruol and D. Mainprice, A quantitative evaluation of the contribution of crustal rocks to the shear-wave splitting of teleseismic SKS waves, Physics of the Earth and Planetary Interiors, vol.78, issue.3-4, pp.281-300, 1993.
DOI : 10.1016/0031-9201(93)90161-2
URL : https://hal.archives-ouvertes.fr/hal-01389713

G. Barruol, D. Mainprice, H. Kern, S. Blanquat, M. Compte et al., 3D seismic study of a ductile shear zone from laboratory and petrofabric data (Saint Barth??l??my Massif, Northern Pyrenees, France), Terra Nova, vol.91, issue.16, pp.63-76, 1992.
DOI : 10.1111/j.1365-3121.1992.tb00451.x

J. Bascou, A. Tommasi, and D. Mainprice, Plastic deformation and development of clinopyroxene lattice preferred orientations in eclogites, J. Struct. Geol, 2001.

B. Isma?¨lisma?¨l, W. Mainprice, and D. , An olivine fabric database: an overview of upper mantle fabrics and seismic anisotropy, Tectonophysics, vol.296, issue.1-2, pp.145-157, 1998.
DOI : 10.1016/S0040-1951(98)00141-3

S. S. Bhagat, J. D. Bass, and J. R. Smyth, Single-crystal elastic properties of omphacite-C2/c by Brillouin spectroscopy, Journal of Geophysical Research, vol.87, issue.B5, pp.6843-6848, 1992.
DOI : 10.1029/92JB00030

J. L. Bouchez, A. Nicolas, and G. Lister, Fabric asymmetry and shear sense in movement zones, Geologische Rundschau, vol.5, issue.1, pp.401-419, 1983.
DOI : 10.1007/BF01822075

T. M. Boundy, D. M. Fountain, and H. Austrheim, Structural development and petrofabrics of eclogite facies shear zones, Bergen Arcs, western Norway: implications for deep crustal deformational processes, Journal of Metamorphic Geology, vol.22, issue.2, pp.127-146, 1992.
DOI : 10.1016/0040-1951(89)90298-9

M. Buatier, H. L. Van-roermund, M. R. Drury, and J. M. Lardeaux, Deformation and recrystallization mechanisms in naturally deformed omphacites from the Sesia-Lanzo zone; geophysical consequences, Tectonophysics, vol.195, issue.1, pp.11-27, 1991.
DOI : 10.1016/0040-1951(91)90141-E

R. W. Butler, Thrust tectonics, deep structure and crustal subduction in the Alps and Himalayas, Journal of the Geological Society, vol.143, issue.6, pp.857-873, 1986.
DOI : 10.1144/gsjgs.143.6.0857

R. Caby, Precambrian coesite from northern Mali: first record and implications for plate tectonics in the trans-Saharan segment of the Pan-African belt, Eur. J. Mineral, vol.6, pp.235-244, 1994.

R. Caby, J. R. Kienast, and P. Saliot, Structure, métamorphisme et modèle d'e ´volution tectonique des Alpes occidentales, Rev. Geogr. Phys. Geol. Dyn, vol.20, pp.307-322, 1978.

N. I. Christensen, Poisson's ratio and crustal seismology, Journal of Geophysical Research: Solid Earth, vol.374, issue.2494, pp.3139-3156, 1996.
DOI : 10.1029/95JB03446

N. I. Christensen and W. D. Mooney, Seismic velocity structure and composition of the continental crust: A global view, Journal of Geophysical Research: Solid Earth, vol.64, issue.585, pp.9761-9788, 1995.
DOI : 10.1029/95JB00259

J. R. Clark, D. E. Appleman, and J. J. Papike, Crystal ? chemical characterization of clinopyroxenes based on eight new structure refinements, Mineral. Soc. Am., Spec. Pap, vol.2, pp.31-50, 1969.

R. Compagnoni, G. Y. Dal-piaz, J. C. Hunziker, G. Gosso, B. Lombardo et al., The Sesia ? Lanzo zone: a slice of continental crust with alpine high pressure ? low temperature assemblage in the Western Italien Alps, Rend. Soc. Ital. Mineral. Petrol, vol.33, pp.281-334, 1977.

R. S. Crosson and J. W. Lin, Voigt and Reuss prediction of anisotropic elasticity of dunite, Journal of Geophysical Research, vol.65, issue.3, pp.570-578, 1971.
DOI : 10.1029/JB076i002p00570

D. J. Dingley and D. P. Field, Electron backscatter diffraction and orientation imaging microscopy, Materials Science and Technology, vol.13, issue.1, pp.69-78, 1997.
DOI : 10.1007/BF02675553

W. G. Ernst, Mineralogic study of eclogitic rocks from Alpe, 1977.

M. Faure, W. Lin, L. Breton, and N. , Where is the North China???South China block boundary in eastern China?, Geology, vol.29, issue.2, pp.119-122, 2001.
DOI : 10.1130/0091-7613(2001)029<0119:WITNCS>2.0.CO;2
URL : https://hal.archives-ouvertes.fr/hal-00078015

D. M. Fountain, T. M. Boundy, H. Austrheim, and P. Rey, Eclogite ? facies shear zones ? deep crustal reflectors? Tectonophysics 232, pp.411-424, 1994.

K. P. Furlong and D. M. Fountain, Continental crustal underplating: Thermal considerations and seismic-petrologic consequences, Journal of Geophysical Research, vol.10, issue.B8, pp.8285-8294, 1986.
DOI : 10.1029/JB091iB08p08285

G. Godard and H. L. Van-roermund, Deformation-induced clinopyroxene fabrics from eclogites, Journal of Structural Geology, vol.17, issue.10, pp.1425-1443, 1995.
DOI : 10.1016/0191-8141(95)00038-F

W. L. Griffin and S. Y. O-'reilly, Is the continental Moho the crust-mantle boundary?, Geology, vol.15, issue.3, pp.241-244, 1987.
DOI : 10.1130/0091-7613(1987)15<241:ITCMTC>2.0.CO;2

C. A. Heinrich, Eclogite Facies Regional Metamorphism of Hydrous Mafic Rocks in the Central Alpine Adula Nappe, Journal of Petrology, vol.27, issue.1, pp.123-154, 1986.
DOI : 10.1093/petrology/27.1.123

H. Helmstaedt, O. L. Anderson, and A. T. Gavasci, Petrofabric studies of eclogite, spinel-Websterite, and spinel-lherzolite Xenoliths from kimberlite-bearing breccia pipes in southeastern Utah and northeastern Arizona, Journal of Geophysical Research, vol.3, issue.9, pp.4350-4365, 1972.
DOI : 10.1029/JB077i023p04350

H. Kern, S. Gao, Z. Jin, T. Popp, and S. Jin, Petrophysical studies on rocks from the Dabie ultrahigh-pressure (UHP) metamorphic belt, Central China: implications for the composition and delamination of the lower crust, Tectonophysics, vol.301, issue.3-4, pp.191-215, 1999.
DOI : 10.1016/S0040-1951(98)00268-6

N. C. Krieger-lassen, The relative precision of crystal orientations measured from electron backscattering patterns, Journal of Microscopy, vol.181, issue.1, pp.72-81, 1996.
DOI : 10.1046/j.1365-2818.1996.95376.x

E. J. Krogh, Metamorphic evolution of Norwegian country-rock eclogites, as deduced from mineral inclusions and compositional zoning in garnets, Lithos, vol.15, issue.4, pp.305-321, 1982.
DOI : 10.1016/0024-4937(82)90021-4

J. M. Lardeaux, G. Gosso, J. R. Kienast, and B. Lombardo, Relations entre le métamorphisme et la déformation dans la zone de Sesia ? Lanzo (Alpes occidentales) et le problème de l'e ´clogitisation de la croûte continentale, Bull. Soc. Geol. Fr, vol.24, pp.793-800, 1982.

H. Laubscher, The problem of the Moho in the Alps, Tectonophysics, vol.182, issue.1-2, pp.9-20, 1990.
DOI : 10.1016/0040-1951(90)90338-9

R. A. Lebensohn and C. N. Tomé, A self-consistent anisotropic approach for the simulation of plastic deformation and texture development of polycrystals: Application to zirconium alloys, Acta Metallurgica et Materialia, vol.41, issue.9, 1993.
DOI : 10.1016/0956-7151(93)90130-K

G. E. Lloyd, N. H. Schmidt, D. Mainprice, and D. J. Prior, Crystallographic Textures, Mineralogical Magazine, vol.55, issue.380, pp.331-345, 1991.
DOI : 10.1180/minmag.1991.055.380.04

D. Mainprice, A FORTRAN program to calculate seismic anisotropy from the lattice preferred orientation of minerals, Computers & Geosciences, vol.16, issue.3, pp.385-393, 1990.
DOI : 10.1016/0098-3004(90)90072-2

D. Mainprice and M. Humbert, Methods of calculating petrophysical properties from lattice preferred orientation data, Surveys in Geophysics, vol.55, issue.5, pp.575-592, 1994.
DOI : 10.1007/BF00690175

D. Mainprice and A. Nicolas, Development of shape and lattice preferred orientations: application to the seismic anisotropy of the lower crust, Journal of Structural Geology, vol.11, issue.1-2, pp.175-189, 1989.
DOI : 10.1016/0191-8141(89)90042-4

D. Mainprice, G. Lloyd, and M. Casey, Individual orientation measurements in quartz polycrystals: advantages and limitations for texture and petrophysical property determinations, Journal of Structural Geology, vol.15, issue.9-10, pp.1169-1187, 1993.
DOI : 10.1016/0191-8141(93)90162-4

M. H. Manghnani, R. Ramananantoandro, C. Jr, and S. P. , Compressional and shear wave velocities in granulite facies rocks and eclogites to 10 kbar, Journal of Geophysical Research, vol.3, issue.35, pp.5427-5446, 1974.
DOI : 10.1029/JB079i035p05427

A. Mauler, K. Kunze, J. P. Burg, and P. Philippot, Identification of EBSD patterns in a monoclinic solid-state solution series: example of omphacite, Mater. Sci. Forum, vol.275, pp.705-710, 1998.

A. Mauler, L. Burlini, K. Kunze, P. Philippot, and J. P. Burg, P-wave anisotropy in eclogites and relationship to the omphacite crystallographic fabric, Physics and Chemistry of the Earth, Part A: Solid Earth and Geodesy, vol.25, issue.2, pp.119-126, 2000.
DOI : 10.1016/S1464-1895(00)00020-X

H. J. Mcskimin, J. R. Anreatch, and R. N. Thurston, Elastic Moduli of Quartz versus Hydrostatic Pressure at 25?? and ??? 195.8??C, Journal of Applied Physics, vol.36, issue.5, pp.1624-1632, 1965.
DOI : 10.1063/1.1703099

B. Messiga, J. R. Kienast, G. Rebay, M. P. Riccardi, and R. Tribuzzio, Cr-rich magnesiochloritoid eclogites from the Monviso ophiolites (Western Alps, Italy), Journal of Metamorphic Geology, vol.17, issue.3, pp.287-299, 1999.
DOI : 10.1046/j.1525-1314.1999.00198.x

J. R. Möckel, Structural petrology of the garnet ? peridotite of Alpe Arami (Ticino, Switzerland), Leidsche Geol. Meded, vol.42, pp.61-130, 1969.

A. Nicolas and N. I. Christensen, Formation of anisotropy in upper mantle peridotites: A review, Composition, Structure and Dynamics of the Lithosphere ? Asthenosphere System, pp.111-123, 1987.
DOI : 10.1029/GD016p0111

A. Nicolas, F. Boudier, and A. M. Boullier, Mechanisms of flow in naturally and experimentally deformed peridotites, American Journal of Science, vol.273, issue.10, pp.853-876, 1973.
DOI : 10.2475/ajs.273.10.853

A. Nicolas, R. Polino, A. Hirn, and R. Nicolich, ECORS ? CROP traverse and the deep structure of the western Alps: a synthesis, Mem. Soc. Geol. Fr, vol.156, pp.15-27, 1990.

P. Philippot and J. R. Kienast, Chemical-microstructural changes in eclogite-facies shear zones (Monviso, Western Alps, north Italy) as indicators of strain history and the mechanism and scale of mass transfer, Lithos, vol.23, issue.3, pp.179-200, 1989.
DOI : 10.1016/0024-4937(89)90004-2

P. Raterron, N. Doukhan, O. Jaoul, and J. C. Doukhan, High temperature deformation of diopside IV: predominance of {110} glide above 1000??C, Physics of the Earth and Planetary Interiors, vol.82, issue.3-4, pp.209-222, 1994.
DOI : 10.1016/0031-9201(94)90073-6

D. C. Rubie, A Thermal-Tectonic Model for High-Pressure Metamorphism and Deformation in the Sesia Zone, Western Alps, The Journal of Geology, vol.92, issue.1, pp.21-36, 1984.
DOI : 10.1086/628832

T. V. Ryzhova, K. S. Aleksandrov, and V. M. Korobkova, The elastic properties of rock-forming minerals V: additional data on sillicates, Izv. Earth Phys, vol.2, pp.63-65, 1966.

N. H. Schmidt and N. Ø. Olesen, Computer-aided determination of crystal-lattice orientation from electron-channeling patterns in the SEM, Can. Mineral, vol.27, pp.15-22, 1989.

P. Thélin, M. Sartori, R. Lengeler, and J. P. Schaerer, Eclogites of Paleozoic or early Alpine age in the basement of the Penninic Siviez-Mischabel nappe, Wallis, Switzerland, Lithos, vol.25, issue.1-3, pp.71-88, 1990.
DOI : 10.1016/0024-4937(90)90007-N

A. Tommasi, D. Mainprice, G. Canova, and Y. Chastel, Viscoplastic self-consistent and equilibrium-based modeling of olivine lattice preferred orientations: Implications for the upper mantle seismic anisotropy, Journal of Geophysical Research: Solid Earth, vol.16, issue.46, pp.7893-7908, 2000.
DOI : 10.1029/1999JB900411

H. L. Van-roermund, Petrofabrics and microstructures of omphacites in a high temperature eclogite from the Swedish Caledonides, Bull. Mineral, vol.106, pp.709-713, 1983.

H. L. Van-roermund and J. N. Boland, The dislocation substructures of naturally deformed omphacites, Tectonophysics, vol.78, issue.1-4, pp.403-418, 1981.
DOI : 10.1016/0040-1951(81)90022-6

A. Vauchez and C. J. Garrido, Seismic properties of an asthenospherized lithospheric mantle: constraints from lattice preferred orientations in peridotite from the Ronda massif, Earth and Planetary Science Letters, vol.192, issue.2, pp.235-249, 2001.
DOI : 10.1016/S0012-821X(01)00448-4

M. Warner, J. Morgan, P. Barton, P. Morgan, C. Price et al., Seismic reflections from the mantle represent relict subduction zones within the continental lithosphere, Geology, vol.24, issue.1, pp.39-42, 1996.
DOI : 10.1130/0091-7613(1996)024<0039:SRFTMR>2.3.CO;2

R. Y. Zhang, T. Hirajima, S. Banno, B. Cong, and J. G. Liou, Petrology of ultrahigh-pressure rocks from the southern Su-Lu region, eastern China, Journal of Metamorphic Geology, vol.1, issue.6, pp.659-675, 1995.
DOI : 10.1130/0091-7613(1991)019<0933:RUPCBE>2.3.CO;2