G. Aertgeerts, Etude pétrologique des reliques ophiolitiques des complexes de Champtoceaux et d'Audierne : caractérisation des minéraux fibreux dans les roches mafiques et ultramafiques, p.592, 2016.

E. D. Anderson and D. P. Moecher, Omphacite breakdown reactions and relation to eclogite exhumation rates, Contributions to Mineralogy and Petrology, vol.42, issue.3, pp.253-277, 2007.
DOI : 10.2138/am-2000-11-1208

R. Arenas and S. Sánchez-martínez, Variscan ophiolites in NW Iberia: tracking lost Paleozoic oceans and the assembly of Pangea, pp.315-333, 2015.

R. Arenas, J. R. Martínez-catalán, S. Martínez, S. Fernández-suárez, J. Andonaegui et al., The Vila de Cruces Ophiolite: A Remnant of the Early Rheic Ocean in the Variscan Suture of Galicia (Northwest Iberian Massif), The Journal of Geology, vol.115, issue.2, pp.129-148, 2007.
DOI : 10.1086/510645

R. Arenas, R. Díez-fernández, F. J. Rubio-pascual, S. Martínez, S. et al., The Galicia???Ossa-Morena Zone: Proposal for a new zone of the Iberian Massif. Variscan implications, The Galicia-Ossa-Morena Zone: Proposal for a new zone of the Iberian Massif. Variscan implications, pp.135-143, 2016.
DOI : 10.1016/j.tecto.2016.02.030

S. L. Baldwin and T. R. Ireland, A tale of two eras: Pliocene-Pleistocene unroofing of Cenozoic and late Archean zircons from active metamorphic core complexes, Solomon Sea, Papua New Guinea, Geology, vol.23, issue.11, pp.1023-1026, 1995.
DOI : 10.1130/0091-7613(1995)023<1023:ATOTEP>2.3.CO;2

M. Ballèvre and J. Marchand, Zonation du métamorphisme éclogitique dans la nappe de Champtoceaux (Massif armoricain, France) Comptes-Rendus de l'Académie des Sciences de Paris II-312, pp.705-711, 1991.

M. Ballèvre, J. Pinardon, J. Kiénast, and J. Vuichard, Reversal of Fe-Mg Partitioning Between Garnet and Staurolite in Eclogite-facies Metapelites from the Champtoceaux Nappe (Brittany, France), Journal of Petrology, vol.30, issue.6, pp.1321-1349, 1989.
DOI : 10.1093/petrology/30.6.1321

M. Ballèvre, R. Capdevila, C. Guerrot, and J. Peucat, Discovery of an alkaline orthogneiss in the eclogite-bearing Cellier Unit (Champtoceaux Complex, Armorican Massif): a new witness of the Ordovician rifting, Comptes Rendus Geoscience, vol.334, issue.5, pp.303-311, 2002.
DOI : 10.1016/S1631-0713(02)01760-1

M. Ballèvre, P. Pitra, and M. Bohn, Lawsonite growth in the epidote blueschists from the Ile de Groix (Armorican Massif, France): a potential geobarometer, Journal of Metamorphic Geology, vol.132, issue.298, pp.723-735, 2003.
DOI : 10.1180/002646199548844

M. Ballèvre, V. Bosse, C. Ducassou, and P. Pitra, Palaeozoic history of the Armorican Massif: Models for the tectonic evolution of the suture zones, Comptes Rendus Geoscience, vol.341, issue.2-3, pp.174-201, 2009.
DOI : 10.1016/j.crte.2008.11.009

M. Ballèvre, S. Fourcade, R. Capdevila, J. Peucat, A. Cocherie et al., Geochronology and geochemistry of Ordovician felsic volcanism in the Southern Armorican Massif (Variscan belt, France): Implications for the breakup of Gondwana, Gondwana Research, vol.21, issue.4, pp.1019-1036, 2012.
DOI : 10.1016/j.gr.2011.07.030

M. Ballèvre, J. R. Martínez-catalán, A. López-carmona, P. Pitra, J. Abati et al., Correlation of the nappe stack in the Ibero-Armorican arc across the Bay of Biscay: a joint French???Spanish project, Geological Society, London, Special Publications, vol.405, issue.1, pp.77-113, 2014.
DOI : 10.1144/SP405.13

X. Barrientos and J. Selverstone, Infiltration vs. thermal overprinting of epidote blueschists, Ile de Groix, France, Geology, vol.21, issue.1, pp.69-72, 1993.
DOI : 10.1130/0091-7613(1993)021<0069:IVTOOE>2.3.CO;2

C. Barrois, Mémoire sur les schistes métamorphiques de l'île de Groix, Annales de la Société Géologique du Nord XI, pp.18-71, 1883.

J. Berger, O. Féménias, D. Ohnenstetter, O. Bruguier, G. Plissart et al., New occurrence of UHP eclogites in Limousin (French Massif Central): Age, tectonic setting and fluid???rock interactions, Lithos, vol.118, issue.3-4, pp.365-382, 2010.
DOI : 10.1016/j.lithos.2010.05.013

URL : https://hal.archives-ouvertes.fr/hal-00512835

J. Bernard-griffiths and J. Cornichet, Origin of eclogites from South Brittany, France: A Sm???Nd isotopic and REE study, Chemical Geology: Isotope Geoscience section, vol.52, issue.2, pp.185-201, 1985.
DOI : 10.1016/0168-9622(85)90017-X

V. Bosse, G. Féraud, G. Ruffet, M. Ballèvre, J. Peucat et al., Late Devonian subduction and early-orogenic exhumation of eclogite-facies rocks from the Champtoceaux Complex (Variscan belt, France), Geological Journal, vol.101, issue.3-4, pp.297-325, 2000.
DOI : 10.1007/BF00387196

V. Bosse, M. Ballèvre, and O. Vidal, Ductile Thrusting Recorded by the Garnet Isograd from Blueschist-Facies Metapelites of the Ile de Groix, Armorican Massif, France, Journal of Petrology, vol.43, issue.3, pp.485-510, 2002.
DOI : 10.1093/petrology/43.3.485

V. Bosse, G. Féraud, M. Ballèvre, J. Peucat, and M. Corsini, Rb???Sr and 40Ar/39Ar ages in blueschists from the Ile de Groix (Armorican Massif, France): Implications for closure mechanisms in isotopic systems, Rb-Sr and 40 Ar/ 39 Ar ages in blueschists from the Ile de Groix, pp.21-45, 2005.
DOI : 10.1016/j.chemgeo.2005.02.019

URL : https://hal.archives-ouvertes.fr/hal-00083665

D. R. Bowes and M. Aftalion, U-Pb zircon isotopic evidence for early Ordovician and late Proterozoic units in the Mariánské-Lázn? Complex, 1991.

Y. Brière, Les éclogites françaises. Leur composition minéralogique et chimique Bulletin de la Société Française de Minéralogie, pp.72-222, 1920.

C. Chelle-michou, O. Laurent, J. Moyen, S. Block, J. Paquette et al., Pre-Cadomian to late-Variscan odyssey of the eastern Massif Central, France: Formation of the West European crust in a nutshell, Gondwana Research, vol.46, issue.46, pp.170-190
DOI : 10.1016/j.gr.2017.02.010

URL : https://hal.archives-ouvertes.fr/insu-01474059

A. Cocherie, E. Be-mezeme, O. Legendre, C. M. Fanning, M. Faure et al., Electron-microprobe dating as a tool for determining the closure of Th-U-Pb systems in migmatitic monazites, American Mineralogist, vol.90, issue.4, pp.607-618, 2005.
DOI : 10.2138/am.2005.1303

URL : https://hal.archives-ouvertes.fr/hal-00023368

K. C. Condie, Plate Tectonics and Crustal Evolution, 1997.

G. Cornen, J. Girardeau, and C. Monnier, Basalts, underplated gabbros and pyroxenites record the rifting process of the West Iberian margin, Mineralogy and Petrology, vol.57, issue.11, pp.111-142, 1999.
DOI : 10.1139/e88-054

D. García, F. Arenas, R. Martínez-catalán, J. R. González-del-tánago, J. Dunning et al., Tectonic Evolution of the Care??n Ophiolite (Northwest Spain): A Remnant of Oceanic Lithosphere in the Variscan Belt, The Journal of Geology, vol.107, issue.5, pp.587-605, 1999.
DOI : 10.1086/314368

D. Fernández, R. Arenas, and R. , Reply to Comment on ???The Late Devonian Variscan suture of the Iberian Massif: A correlation of high-pressure belts in NW and SW Iberia???, Tectonophysics, vol.670, pp.96-100, 2015.
DOI : 10.1016/j.tecto.2015.11.033

E. Dubi?ska, P. Bylina, A. Koz?owski, W. Dörr, K. Nejbert et al., U???Pb dating of serpentinization: hydrothermal zircon from a metasomatic rodingite shell (Sudetic ophiolite, SW Poland), Chemical Geology, vol.203, issue.3-4, pp.183-203, 2004.
DOI : 10.1016/j.chemgeo.2003.10.005

G. Dubuisson, J. C. Mercier, J. Girardeau, and J. Frison, Evidence for a lost ocean in Variscan terranes of the western Massif Central, France, Nature, vol.337, issue.6209, pp.729-732, 1989.
DOI : 10.1038/337729a0

J. Ducrot, J. Lancelot, and J. Marchand, Datation U-Pb sur zircons de l'??clogite de La Borie (Haut-Allier, France) et cons??quences sur l'??volution ante-hercynienne de l'Europe occidentale, Earth and Planetary Science Letters, vol.62, issue.3, pp.385-394, 1983.
DOI : 10.1016/0012-821X(83)90009-2

E. Korh, A. Schmidt, S. T. Ulianov, A. Potel, and S. , Trace Element Partitioning in HP???LT Metamorphic Assemblages during Subduction-related Metamorphism, Ile de Groix, France: a Detailed LA-ICPMS Study, Journal of Petrology, vol.50, issue.6, pp.1107-1148, 2009.
DOI : 10.1093/petrology/egp034

E. Korh, A. Schmidt, S. T. Ulianov, A. Potel, and S. , Trace Element Partitioning in HP???LT Metamorphic Assemblages during Subduction-related Metamorphism, Ile de Groix, France: a Detailed LA-ICPMS Study, Journal of Petrology, vol.50, issue.6, pp.1107-1148, 2009.
DOI : 10.1093/petrology/egp034

E. Korh, A. Schmidt, S. T. Ballèvre, M. Ulianov, A. Bruguier et al., Discovery of an albite gneiss from the Ile de Groix (Armorican Massif, France): geochemistry and LA-ICP-MS U???Pb geochronology of its Ordovician protolith, International Journal of Earth Sciences, vol.40, issue.2, pp.1169-1190, 2012.
DOI : 10.1016/S0024-4937(97)00033-9

URL : https://hal.archives-ouvertes.fr/insu-00714570

S. W. Faryad, High-pressure polymetamorphic garnet growth in eclogites from the Mari??nsk?? L??zn?? Complex (Bohemian Massif), European Journal of Mineralogy, vol.24, issue.3, pp.483-497, 2012.
DOI : 10.1127/0935-1221/2012/0024-2184

M. Faure, J. Lardeaux, and P. Ledru, A review of the pre-Permian geology of the Variscan French Massif Central, Comptes Rendus Geoscience, vol.341, issue.2-3, pp.202-213, 2009.
DOI : 10.1016/j.crte.2008.12.001

URL : https://hal.archives-ouvertes.fr/insu-00352699

W. Franke, L. R. Cocks, and T. H. Torsvik, The Palaeozoic Variscan oceans revisited, Gondwana Research, vol.48, pp.257-284, 2017.
DOI : 10.1016/j.gr.2017.03.005

D. Gebauer, J. Bernard-griffiths, and M. Grünenfelder, U-Pb zircon and monazite dating of a mafic-ultramafic complex and its country rocks, Contributions to Mineralogy and Petrology, vol.57, issue.4, pp.292-300, 1981.
DOI : 10.2475/ajs.254.9.521

J. Girardeau, G. Dubuisson, and J. Mercier, The Limousin ophiolite complexes: evidence for oceanic lithosphere, Pre-Mesozoic Geology in France and Related Areas, pp.349-354, 1994.

G. Godard, Lambeaux probables d'une croûte océanique subductée: les éclogites de Vendée, 1981.

G. Godard, Dispersion tectonique des éclogites de Vendée lors d'une collision continent-continent, Bulletin de Minéralogie, vol.106, pp.719-722, 1983.

G. Godard, Petrology of some eclogites in the Hercynides: The eclogites from the southern Armorican Massif, Eclogites and eclogite-facies rocks, pp.451-519, 1988.

G. Godard, The Les Essarts eclogite-bearing metamorphic complex (Vendée, Southern Armorican Massif, France): Pre-Variscan terrains in the Hercynian belt ? Géologie de la France, pp.19-51, 2001.

G. Godard, Two orogenic cycles recorded in eclogite-facies gneiss from the southern Armorican Massif (France), European Journal of Mineralogy, vol.21, issue.6, pp.1173-1190, 2009.
DOI : 10.1127/0935-1221/2009/0021-1984

G. Godard, J. R. Kienast, and B. Lasnier, Retrogressive development of glaucophane in some eclogites from ?Massif Armoricain? (East of Nantes, France), Contributions to Mineralogy and Petrology, vol.15, issue.n?? 2, pp.126-135, 1981.
DOI : 10.1093/petrology/15.2.197

M. Guiraud, J. Burg, and R. Powell, Evidence for a Variscan suture zone in the Vend??e, France: a petrological study of blueschist facies rocks from Bois de Cen??, Journal of Metamorphic Geology, vol.63, issue.7, pp.225-237, 1987.
DOI : 10.1007/BF00371137

C. B. Grimes, B. E. John, M. J. Cheadle, F. K. Mazdab, J. L. Wooden et al., On the occurrence, trace element geochemistry, and crystallization history of zircon from in situ ocean lithosphere, Contributions to Mineralogy and Petrology, vol.2, issue.Suppl 1, pp.757-783, 2009.
DOI : 10.2138/am-2004-11-1226

S. Hanmer, Age and tectonic implications of the Baie d'Audierne basic-ultrabasic complex, Nature, vol.85, issue.5635, pp.336-338, 1977.
DOI : 10.2113/gssgfbull.S7-XVIII.4.1041

V. Hurai, J. Paquette, M. Huraiová, and P. Kone?ný, U???Th???Pb geochronology of zircon and monazite from syenite and pincinite xenoliths in Pliocene alkali basalts of the intra-Carpathian back-arc basin, Journal of Volcanology and Geothermal Research, vol.198, issue.3-4, pp.275-287, 2010.
DOI : 10.1016/j.jvolgeores.2010.09.012

URL : https://hal.archives-ouvertes.fr/hal-00576121

S. E. Jackson, N. J. Pearson, W. L. Griffin, and E. A. Belousova, The application of laser ablation-inductively coupled plasma-mass spectrometry to in situ U???Pb zircon geochronology, Chemical Geology, vol.211, issue.1-2, pp.47-69, 2004.
DOI : 10.1016/j.chemgeo.2004.06.017

V. Joanny, H. Van-roermund, and J. Lardeaux, The clinopyroxene/plagioclase symplectite in retrograde eclogites: A potential geothermobarometer, Geologische Rundschau, vol.6, issue.4, pp.303-320, 1991.
DOI : 10.1007/978-3-642-86574-9_9

N. Jöns, W. Bach, and T. Schroeder, Formation and alteration of plagiogranites in an ultramafic-hosted detachment fault at the Mid-Atlantic Ridge (ODP Leg 209), Contributions to Mineralogy and Petrology, vol.28, issue.8, 2009.
DOI : 10.1127/ejm/9/3/0623

T. E. Krogh, Improved accuracy of U-Pb zircon ages by the creation of more concordant systems using an air abrasion technique, Geochimica et Cosmochimica Acta, vol.46, issue.4, pp.637-649, 1982.
DOI : 10.1016/0016-7037(82)90165-X

R. Kryza and C. Pin, The Central-Sudetic ophiolites (SW Poland): Petrogenetic issues, geochronology and palaeotectonic implications, Gondwana Research, vol.17, issue.2-3, pp.292-305, 2010.
DOI : 10.1016/j.gr.2009.11.001

URL : https://hal.archives-ouvertes.fr/hal-00515991

A. Lacroix, Etude pétrographique des éclogites de la Loire Inférieure Bulletin de la Société des Sciences Naturelles de l'Ouest de la France I, pp.81-114, 1891.

J. Lardeaux, Deciphering orogeny: a metamorphic perspective Examples from European Alpine and Variscan belts, Bulletin de la Societe Geologique de France, vol.185, issue.5, pp.281-310, 2014.
DOI : 10.2113/gssgfbull.185.5.281

URL : https://hal.archives-ouvertes.fr/hal-00996573

K. R. Ludwig, User's manual for Isoplot/Ex Version 2.49, a geochronological toolkit for Microsoft Excel, Berkeley Geochronological Center, Special Publication, vol.1, p.55, 2001.

J. Marchand, Ecaillage d'un «mélange tectonique» profond: le complexe cristallophyllien de Champtoceaux (Bretagne méridionale) Comptes-Rendus de l'Académie des Sciences de Paris II-293, pp.223-228, 1981.

J. Marchand, Une véritable éclogite en Bretagne occidentale (Baie d'Audierne, France), Terra Cognita, vol.23, p.312, 1982.

P. Matte, The Variscan collage and orogeny (480-290 Ma) and the tectonic definition of the Armorica microplate: a review, Terra Nova, vol.60, issue.2, pp.123-128, 2001.
DOI : 10.1016/S0040-1951(98)00278-9

J. M. Mattinson, Zircon U???Pb chemical abrasion (???CA-TIMS???) method: Combined annealing and multi-step partial dissolution analysis for improved precision and accuracy of zircon ages, Chemical Geology, vol.220, issue.1-2, pp.47-66, 2005.
DOI : 10.1016/j.chemgeo.2005.03.011

R. Ménot, J. Peucat, D. Scarenzi, and M. Piboule, 496 My age of plagiogranites in the Chamrousse ophiolite complex (external crystalline massifs in the French Alps): evidence of a Lower Paleozoic oceanization, Earth and Planetary Science Letters, vol.88, issue.1-2, pp.82-92, 1988.
DOI : 10.1016/0012-821X(88)90048-9

P. Monchoux and M. Couturier, Présence de gabbros, norites coronitiques et éclogites dans le massif gneissique de La Bessenoits, Comptes- Rendus de l'Académie des Sciences de Paris, pp.1295-1298, 1987.

R. Montigny and C. J. Allègre, A la recherche des océans perdus : les éclogites de Vendée, témoins métamorphisés d'une ancienne croûte océanique, Comptes-Rendus de l'Académie des Sciences de Paris 279, pp.543-545, 1974.

W. Müller, M. Shelley, P. Miller, and S. Broude, Initial performance metrics of a new custom-designed ArF excimer LA-ICPMS system coupled to a two-volume laser-ablation cell, J. Anal. At. Spectrom., vol.110, issue.2, pp.209-214, 2009.
DOI : 10.1093/bmb/ldg032

J. B. Murphy, C. Quesada, G. Gutiérrez-alonso, S. T. Johnston, and A. Weil, Reconciling competing models for the tectono-stratigraphic zonation of the Variscan orogen in Western Europe, Tectonophysics, vol.681, pp.209-219, 2016.
DOI : 10.1016/j.tecto.2016.01.006

A. P. Nutman, D. H. Green, C. A. Cook, M. T. Styles, and R. E. Holdsworth, SHRIMP U-Pb zircon dating of the exhumation of the Lizard Peridotite and its emplacement over crustal rocks: constraints for tectonic models, Journal of the Geological Society, vol.158, issue.5, pp.809-820, 2001.
DOI : 10.1144/jgs.158.5.809

J. L. Paquette, Comportement des systèmes isotopiques U-Pb et Sm-Nd dans le métamorphisme éclogitique. Chaîne hercynienne et chaîne alpine, p.14, 1987.

J. L. Paquette and M. Tiepolo, High resolution (5????m) U???Th???Pb isotope dating of monazite with excimer laser ablation (ELA)-ICPMS, Chemical Geology, vol.240, issue.3-4, pp.222-237, 2007.
DOI : 10.1016/j.chemgeo.2007.02.014

J. L. Paquette, J. J. Peucat, J. Bernard-griffiths, and J. Marchand, Evidence for old Precambrian relics shown by U-Pb zircon dating of eclogites and associated rocks in the Hercynian belt of south, Chemical Geology, vol.52, pp.203-216, 1985.

J. L. Paquette, P. Monchoux, and M. Couturier, Geochemical and isotopic study of a norite-eclogite transition in the European Variscan belt: Implications for U???Pb zircon systematics in metabasic rocks, Geochimica et Cosmochimica Acta, vol.59, issue.8, pp.1611-1622, 1995.
DOI : 10.1016/0016-7037(95)00067-A

J. L. Paquette, P. Balé, M. Ballèvre, and Y. Georget, Géochronologie et géochimie des éclogites du Léon: nouvelles contraintes sur l'évolution géodynamique du Nord-Ouest du Massif Armoricain, Bulletin de Minéralogie, vol.110, pp.683-696, 1987.

J. Paquette, P. Goncalves, B. Devouard, and C. Nicollet, Micro-drilling ID-TIMS U-Pb dating of single monazites: A new method to unravel complex poly-metamorphic evolutions. Application to the UHT granulites of Andriamena (North-Central Madagascar)., Contributions to Mineralogy and Petrology, vol.147, issue.1, pp.110-122, 2004.
DOI : 10.1007/s00410-003-0549-8

URL : https://hal.archives-ouvertes.fr/hal-00221519

J. L. Paquette, J. L. Piro, J. L. Devidal, V. Bosse, and A. Didier, Sensitivity enhancement in LA-ICP-MS by N2 addition to carrier gas: application to radiometric dating of U-Thbearing minerals, Agilent ICP-MS Journal, vol.58, pp.4-5, 2014.

J. Peucat, Les schistes cristallins de la baie d'Audierne, Massif armoricain, France. Etude structurale et pétrologique, p.108, 1973.

J. J. Peucat, P. Vidal, G. Godard, and B. Postaire, Precambrian U-Pb zircon ages in eclogites and garnet pyroxenites from South Brittany (France): an old oceanic crust in the West European Hercynian belt? Earth and Planetary Science Letters, pp.70-78, 1982.

A. Pietranik, C. Storey, J. Koepke, S. Lassale, and . Eimf, Zircon record of fractionation, hydrous partial melting and thermal gradients at different depths in oceanic crust (ODP Site 735B, South-West Indian Ocean). Contributions to Mineralogy and Petrology, p.10, 2017.

C. Pin, Variscan oceans: Ages, origins and geodynamic implications inferred from geochemical and radiometric data, Tectonophysics, vol.177, issue.1-3, pp.215-227, 1990.
DOI : 10.1016/0040-1951(90)90282-D

C. Pin and F. Carme, A Sm-Nd isotopic study of 500 Ma old oceanic crust in the Variscan belt of Western Europe: the Chamrousse ophiolite complex, Western Alps (France), Contributions to Mineralogy and Petrology, vol.46, issue.3, 1987.
DOI : 10.1007/BF00371258

C. Pin, J. L. Paquette, J. F. Santos-zalduegui, G. Ibarguchi, and J. I. , An early Devonian supra-subduction zone ophiolite related to incipient collisional processes in the Western Variscan belt: the Sierra de Careon unit, Ordenes complex, Galicia, pp.57-71, 2002.

P. Pitra, M. Ballèvre, and G. Ruffet, Inverted metamorphic field gradient towards a Variscan suture zone (Champtoceaux Complex, Armorican Massif, France), Journal of Metamorphic Geology, vol.5, issue.2, pp.183-208, 2010.
DOI : 10.1093/petrology/5.3.359

URL : https://hal.archives-ouvertes.fr/insu-00573328

A. Pouclet, J. J. Alvaro, J. Bardintzeff, G. Imaz, A. Monceret et al., Cambrian-early Ordovician volcanisme across the South Armorican and Occitan domains of the Variscan Belt in France: Continental break-up and rifting of the Gondwana margin, Geoscience Frontiers, vol.8, pp.26-64, 2017.

D. Rubatto, Zircon trace element geochemistry: partitioning with garnet and the link between U???Pb ages and metamorphism, Chemical Geology, vol.184, issue.1-2, pp.123-138, 2002.
DOI : 10.1016/S0009-2541(01)00355-2

D. Rubatto and D. Gebauer, Use of cathodoluminescence for U-Pb zircon dating by ion microprobe: some examples from the Western AlpsCathodoluminescence in Geosciences, pp.373-400, 2000.

D. Rubatto, D. Gebauer, and M. Fanning, Jurassic formation and Eocene subduction of the Zermatt-Saas-Fee ophiolites: implications for the geodynamic evolution of the Central and Western Alps, Contributions to Mineralogy and Petrology, vol.132, issue.3, pp.269-287, 1998.
DOI : 10.1007/s004100050421

S. Martínez and S. , Geoquímica y geochronologia de las ofiolitas de Galicia, Nova Terra, vol.37, p.351, 2009.

S. Martínez, S. Arenas, R. Gerdes, A. Castiñeiras, P. Potrel et al., Isotope geochemistry and revised geochronology of the Purrido Ophiolite (Cabo Ortegal Complex, NW Iberian Massif): Devonian magmatism with mixed sources and involved Mesoproterozoic basement, Journal of the Geological Society, vol.168, issue.3, pp.733-750, 2011.
DOI : 10.1144/0016-76492010-065

S. Martínez, S. Gerdes, A. Arenas, R. Abati, and J. , The Bazar Ophiolite of NW Iberia: a relic of the Iapetus-Tornquist Ocean in the Variscan suture, Terra Nova, vol.50, issue.4, pp.283-294, 2012.
DOI : 10.1093/petrology/egp027

U. Schaltegger, A. K. Schmidt, and M. S. Horstwood, U???Th???Pb zircon geochronology by ID-TIMS, SIMS, and laser ablation ICP-MS: Recipes, interpretations, and opportunities, Chemical Geology, vol.402, pp.89-110, 2015.
DOI : 10.1016/j.chemgeo.2015.02.028

B. Schulz, H. Lucks, C. Audren, and C. Triboulet, Variscan pressure-temperature evolution of garnet pyroxenites and amphibolites in the Baie d'Audierne metamorphic series, America Special Paper, vol.364, pp.89-103, 2002.

J. J. Schwartz, B. E. John, M. J. Cheadle, J. L. Wooden, F. Mazdab et al., Dissolution???reprecipitation of igneous zircon in mid-ocean ridge gabbro, Atlantis Bank, Southwest Indian Ridge, Chemical Geology, vol.274, issue.1-2, pp.68-81, 2010.
DOI : 10.1016/j.chemgeo.2010.03.017

A. M. Seydoux-guillaume, B. Bingen, J. L. Paquette, and V. Bosse, Nanoscale evidence for uranium mobility in zircon and the discordance of U???Pb chronometers, Earth and Planetary Science Letters, vol.409, pp.43-48, 2015.
DOI : 10.1016/j.epsl.2014.10.044

URL : https://hal.archives-ouvertes.fr/hal-01172200

J. F. Simancas, A. Azor, M. Poyatos, D. J. Expósito, I. Pérez-cáceres et al., Comment on " The Late Devonian Variscan suture of the Iberian Massif: A correlation of high-pressure belts in NW and SW Iberia, Tectonophysics, vol.654, issue.666, pp.96-100, 2016.

E. Skrzypek, A. Tabaud, J. Edel, K. Schumann, A. Cocherie et al., The significance of Late Devonian ophiolites in the Variscan orogen: a record from the Vosges Klippen Belt, International Journal of Earth Sciences, vol.126, issue.4, pp.951-972, 2012.
DOI : 10.1016/0040-1951(86)90236-2

URL : https://hal.archives-ouvertes.fr/hal-00737967

I. Soejono, E. ?á?ková, V. Janou?ek, M. Machek, and J. Ko?ler, Vestige of an Early Cambrian incipient oceanic crust incorporated in the Variscan orogen: Letovice Complex, Bohemian Massif, Journal of the Geological Society, vol.167, issue.6, pp.1113-1130, 2010.
DOI : 10.1144/0016-76492009-180

F. Tera and G. Wasserburg, U-Th-Pb systematics in three Apollo 14 basalts and the problem of initial Pb in lunar rocks, Earth and Planetary Science Letters, vol.14, issue.3, pp.281-304, 1972.
DOI : 10.1016/0012-821X(72)90128-8

G. R. Tilton, Volume diffusion as a mechanism for discordant lead ages, Journal of Geophysical Research, vol.37, issue.9, pp.2933-2945, 1960.
DOI : 10.1029/TR037i003p00320

H. Timmermann, V. ?t?drá, A. Gerdes, S. R. Noble, R. R. Parrish et al., The Problem of Dating High-pressure Metamorphism: a U-Pb Isotope and Geochemical Study on Eclogites and Related Rocks of the Marianske Lazne Complex, Czech Republic, Journal of Petrology, vol.45, issue.7, pp.1311-1338, 2004.
DOI : 10.1093/petrology/egh020

C. Triboulet, Glaucophane schists and associated rocks in ???le de Groix (Morbihan, France): A mineralogical and petrogenetic study, Contributions to Mineralogy and Petrology, vol.96, issue.1, pp.65-90, 1974.
DOI : 10.1007/BF00371137

E. Van-achterbergh, C. G. Ryan, S. E. Jackson, and W. L. Griffin, Data reduction software for LA-ICP-MS. In Laser ablation-ICPMS in the earth science, 2001.

B. Velde, The origin of some granulite facies rocks from the Baie d'Audierne, Finistère, Bulletin de la Société Géologique et Minéralogique de Bretagne (C) IV, pp.91-95, 1972.

V. Raumer, J. F. Stampfli, G. M. Arenas, R. Sánchez-martínez, and S. , Ediacaran to Cambrian oceanic rocks of the Gondwana margin and their tectonic interpretation, International Journal of Earth Sciences, vol.77, issue.4, pp.1107-1121, 2015.
DOI : 10.1144/SP405.9

D. L. Whitney, F. Roger, C. Teyssier, P. F. Rey, and J. Respaut, Syn-collapse eclogite metamorphism and exhumation of deep crust in a migmatite dome: The P???T???t record of the youngest Variscan eclogite (Montagne Noire, French Massif Central), Earth and Planetary Science Letters, vol.430, pp.224-234, 2015.
DOI : 10.1016/j.epsl.2015.08.026

URL : https://hal.archives-ouvertes.fr/hal-01243499

M. Wiedenbeck, P. Allé, F. Corfu, W. L. Griffin, M. Meier et al., THREE NATURAL ZIRCON STANDARDS FOR U-TH-PB, LU-HF, TRACE ELEMENT AND REE ANALYSES, Three natural zircon standards for U-Th-Pb, Lu-Hf, trace element and REE analyses, pp.1-23, 1995.
DOI : 10.4095/122739