J. Bellot, La structure de la croûte varisque du Sud-Limousin (Massif Central français) et ses relations avec les minéralisations aurifères tardi-orogéniques: apport des données géologiques, gîtologiques, géophysiques et de la modélisation 3D, 2001.

F. Berthier, J. L. Duthou, and M. Roques, Datation géochronologique Rb/Sr sur roches totales du granite de Guéret (Massif Central) Age fini-Dévonien de mise en place de l'un de ses faciès types, Bull. Bur. Rech. Geol. Min. Fr, vol.1, pp.31-42, 1979.

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 : 10.1002/gj.864

D. Boutelier, La modélisation expérimentale tridimensionnelle thermo-mécanique de la subduction continentale et l'exhumation des roches de ultra haute pression/basse température, 2004.

D. Boutelier and A. Chemenda, 3D thermo-mechanical experimental modelling of exhumation of UHP/LT rocks, paper presented at AGU-EGS-EUG Joint Assembly, 2003.

D. Boutelier, A. Chemenda, and J. P. Burg, Subduction versus accretion of intraoceanic volcanic arc: Insights from thermo-mechanical analogue experiments, 2003.

R. Boutin and R. Montigny, Datation 39 Ar/ 40 Ar des amphibolites du complexe leptyno-amphibolique du plateau d'Aigurande: collision varisque à 390 Ma dans le Nord- Ouest du Massif Central français, C. R. Acad. Sci, issue.2, pp.316-1391, 1993.

D. A. Carswell and R. Y. Zhang, Petrographic Characteristics and Metamorphic Evolution of Ultrahigh-Pressure Eclogites in Plate-Collision Belts, International Geology Review, vol.36, issue.9, pp.781-798, 1999.
DOI : 10.1111/j.1525-1314.1997.00035.x

C. Cartannaz, P. Rolin, A. Cocherie, D. Marquer, O. Legendre et al., Characterization of wrench tectonics from dating of syn- to post-magmatism in the north-western French Massif Central, International Journal of Earth Sciences, vol.7, issue.2, pp.271-28710, 2006.
DOI : 10.1007/s00531-006-0101-y

URL : https://hal.archives-ouvertes.fr/hal-00315612

C. Cartier, Structure de l'Unité de St-Georges-sur-Loire et du Domaine Ligérien (Massif Armoricain, 2002.

C. Cartier and M. Faure, The Saint-Georges-sur-Loire olistostrome, a key zone to understand the Gondwana-Armorica boundary in the Variscan belt (Southern Brittany, France), International Journal of Earth Sciences, vol.23, issue.6, pp.945-95810, 2004.
DOI : 10.1007/s00531-004-0398-3

URL : https://hal.archives-ouvertes.fr/hal-00068289

C. Cartier, M. Faure, and H. Lardeux, The Hercynian orogeny in the South Armorican Massif (Saint-Georges-sur-Loire Unit, Ligerian Domain, France): rifting and welding of continental stripes, Terra Nova, vol.231, issue.2, pp.143-149, 2001.
DOI : 10.1007/s005310050165

URL : https://hal.archives-ouvertes.fr/hal-00089716

A. Chemenda, M. Mattauer, J. Malavieille, and A. Bokun, A mechanism for syn-collisional rock exhumation and associated normal faulting: Results from physical modelling, Earth and Planetary Science Letters, vol.132, issue.1-4, pp.225-232, 1995.
DOI : 10.1016/0012-821X(95)00042-B

A. I. Chemenda, M. Mattauer, and A. N. Bokun, Continental subduction and a mechanism for exhumation of high-pressure metamorphic rocks: new modelling and field data from Oman, Earth and Planetary Science Letters, vol.143, issue.1-4, pp.173-182, 1996.
DOI : 10.1016/0012-821X(96)00123-9

A. Chemenda, P. Matte, and V. Sokolov, A model of Paleozoic obduction and exhumation of high-pressure/low temperature rocks in southern, pp.217-227, 1997.

A. Chemenda, D. Hurpin, J. Tang, and J. Stephan, Impact of arc-continent collision on the conditions of burial and exhumation of UHP/LT rocks: experimental and numerical modelling, Tectonophysics, vol.342, issue.1-2, pp.137-161, 2001.
DOI : 10.1016/S0040-1951(01)00160-3

C. Chopin, Ultrahigh-pressure metamorphism: tracing continental crust into the mantle, Earth and Planetary Science Letters, vol.212, issue.1-2, pp.1-14, 2003.
DOI : 10.1016/S0012-821X(03)00261-9

A. Cocherie and F. Albarède, An improved U-Th-Pb age calculation for electron microprobe dating of monazite, Geochimica et Cosmochimica Acta, vol.65, issue.24, pp.4509-4522, 2001.
DOI : 10.1016/S0016-7037(01)00753-0

A. Cocherie and O. Legendre, Potential minerals for determining U???Th???Pb chemical age using electron microprobe, Lithos, vol.93, issue.3-4, pp.93-288, 2007.
DOI : 10.1016/j.lithos.2006.03.069

A. Cocherie, O. Legendre, J. Peucat, and A. Kouamelan, Geochronology of polygenetic monazites constrained by in situ electron microprobe Th-U-total lead determination: implications for lead behaviour in monazite, Geochimica et Cosmochimica Acta, vol.62, issue.14, pp.2475-2497, 1998.
DOI : 10.1016/S0016-7037(98)00171-9

A. Cocherie, E. Be-mezeme, O. Legendre, 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

J. Cogné, Une nappe cadomienne de style pennique: la série cristallophylienne de Champtoceaux en bordure méridionale du synclinal d'Ancenis (Bretagne-Anjou), 1966.

W. Compston, I. S. Williams, J. L. Kirschvink, Z. Zhang, and G. Ma, Zircon U-Pb ages for the Early Cambrian time-scale, Journal of the Geological Society, vol.149, issue.2, pp.171-184, 1989.
DOI : 10.1144/gsjgs.149.2.0171

S. Costa and H. Maluski, Datations par la méthode 39 Ar/ 40 Ar de materiel magmatique et métamorphique paléozoïque provenant du forage de Couy-Sancerre, C. R. Acad. Sci, vol.306, pp.351-356, 1988.

J. L. Crowley and E. D. Ghent, An electron microprobe study of the U???Th???Pb systematics of metamorphosed monazite: the role of Pb diffusion versus overgrowth and recrystallization, Chemical Geology, vol.157, issue.3-4, pp.285-302, 1999.
DOI : 10.1016/S0009-2541(99)00009-1

E. Deloule, P. Alexendrov, A. Cheilletz, B. Laumonier, and P. Barbey, In-situ U???Pb zircon ages for Early Ordovician magmatism in the eastern Pyrenees, France: the Canigou orthogneisses, International Journal of Earth Sciences, vol.91, issue.3, pp.398-405, 2002.
DOI : 10.1007/s00531-001-0232-0

J. Dewey, Extensional collapse of orogens, Extensional collapse of orogens, pp.1123-1139, 1988.
DOI : 10.1029/TC007i006p01123

J. Ducrot, J. R. 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

J. L. Duthou, M. Chenevoy, and M. Gay, Age Rb/Sr Dévonien moyen des migmatites à cordiérite du Lyonnais (Massif Central français), C. R. Acad. Sci., Ser. II, vol.319, pp.791-796, 1994.

M. Faure, Late orogenic carboniferous extensions in the Variscan French Masssif Central, pp.132-153, 1995.

M. Faure, C. Leloix, and J. Roig, L'évolution polycyclique de la cha?circ;ne hercynienne, Bull. Soc. Geol. Fr, vol.168, pp.695-705, 1997.

M. Faure, E. Be-mézème, M. Duguet, C. Cartier, and J. Talbot, Paleozoic tectonic evolution of medio-Europa from the example of the French Massif Central and Massif Armoricain, The Southern Variscan Belt, 2005.
DOI : 10.3809/jvirtex.2005.00120

URL : https://hal.archives-ouvertes.fr/hal-00125258

J. Floc-'h, La série métamorphique du Limousin central, 1983.

G. Godard, The Les Essarts eclogite-bearing metamorphic complex, Geol. Fr, pp.19-51, 2001.

G. Godard and H. 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

M. Granet, S. Judenherc, and A. Sourriau, Des images du systeme lithosphere-asthenosphere sous la France et leurs implications geodynamiques; l'apport de la tomographie telesismique et de l'anisotropie sismique, Bulletin de la Societe Geologique de France, vol.171, issue.2, pp.149-167, 2000.
DOI : 10.2113/171.2.149

J. Lafon, Géochronologie U-Pb appliquée à deux segments du Massif Central français. Le Rouergue oriental et le Limousin central, 1986.

J. Lagarde, La déformation des roches dans les domains à schistosité subhorizontale Application à la nappe du Canigou, Roc de France (Pyrénées Orientales) et au Complexe de Champtoceaux (Massif Armoricain), 1978.

J. Lardeaux, P. Ledru, I. Daniel, and S. Duchene, The Variscan French Massif Central???a new addition to the ultra-high pressure metamorphic ???club???: exhumation processes and geodynamic consequences, Tectonophysics, vol.332, issue.1-2, pp.143-167, 2001.
DOI : 10.1016/S0040-1951(00)00253-5

B. Lasnier, A. Leyreloup, and J. Marchand, Discovery of a ???charnockitic??? granite inside ???augen gneisses???. new data on the origin of some leptynites of the Southern Massif Armoricain (France), Contributions to Mineralogy and Petrology, vol.89, issue.1/2, pp.131-144, 1973.
DOI : 10.1007/BF00375038

L. Gall, B. , S. Loboziak, and S. L. Herissé, Le flanc sud du synclinorium carbonifère de Châteaulin (Massif armoricain, France): une bordure de bassin réactivée en contexte décrochevauchant, Bull. Soc. Geol. Fr, vol.163, pp.13-26, 1992.

C. Leloix, M. Faure, and J. L. Feybesse, Hercynian polyphase tectonics in the northeast French Massif Central: the closure of the Br??venne Devonian-Dinantian rift, International Journal of Earth Sciences, vol.88, issue.3, pp.409-421, 1999.
DOI : 10.1007/s005310050275

G. S. Lister and G. A. Davis, The origin of metamorphic core complexes and detachment faults formed during Tertiary continental extension in the northern Colorado River region, U.S.A., Journal of Structural Geology, vol.11, issue.1-2, pp.65-94, 1989.
DOI : 10.1016/0191-8141(89)90036-9

J. G. Liu, T. Tsujimori, R. Y. Zhang, I. Katayama, and S. Maruyama, Global UHP Metamorphism and Continental Subduction/Collision: The Himalayan Model, International Geology Review, vol.87, issue.1, pp.1-27, 2004.
DOI : 10.2747/0020-6814.44.9.831

K. R. Ludwig, Users Manual for Isoplot/Ex. version 2.00, A geochronological toolkit for Microsoft Excel, Spec. Publ. 1a, 43 pp, Berkeley Geochronol. Cent, 2000.

J. Malavieille, Late Orogenic extension in mountain belts: Insights from the basin and range and the Late Paleozoic Variscan Belt, Tectonics, vol.300, issue.10, pp.1115-1130, 1993.
DOI : 10.1029/93TC01129

J. Marchand, Ecaillage d'un " mélange tectonique " profond: le complexe cristallophyllien de Champtoceaux (Bretagne Méridionale), C. R. Acad. Sci., Ser. II, vol.293, pp.223-228, 1981.

P. Matte, La chaîne varisque parmi les chaînes paléozoïques péri-atlantiques, modèle d' évolution et position des grands blocs continentaux au Permo-Carbonifère, Bull. Soc. Geol. Fr, vol.8, pp.9-24, 1986.

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.122-128, 2001.
DOI : 10.1016/S0040-1951(98)00278-9

W. S. Mckerow, C. Mcniocaill, P. E. Ahlberg, G. Clayton, C. J. Cleal et al., The Late Palaeozoic relations between Gondwana and Laurussia, Orogenic Processes, Quantification and Modelling in the Variscan Belt, pp.9-20, 2001.
DOI : 10.1144/GSL.SP.2000.179.01.03

J. Paquette, Comportement des systèmes isotopiques U-Pb et Sm-Nd dans le métamorphisme éclogitique, Mem. Doc. CAES, vol.14, 0190.

J. Paquette, J. Peucat, J. Bernard-griffith, and J. Marchand, Evidence for old Precambrian relics shown by U-Pb zircon dating of eclogites and associated rocks in the Hercynian Belt of, Chem. Geol, vol.52, pp.203-216, 1985.

J. 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

F. Paris and M. Robardet, Early Palaeozoic palaeobiogeography of the Variscan regions, Early Palaeozoic paleobiogeography of the Variscan Belt, pp.193-213, 1990.
DOI : 10.1016/0040-1951(90)90281-C

R. R. Parrish, U-Pb dating of monazite and its implication to geological problems, Can, J. Earth Sci, vol.27, pp.1431-1450, 1990.

J. A. Pearce, N. B. Harris, and A. G. Tindle, Trace Element Discrimination Diagrams for the Tectonic Interpretation of Granitic Rocks, Journal of Petrology, vol.25, issue.4, pp.956-983, 1984.
DOI : 10.1093/petrology/25.4.956

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, vol.60, issue.1, pp.70-78, 1982.
DOI : 10.1016/0012-821X(82)90021-8

C. Pin and J. Lancelot, U-Pb dating of an early paleozoic bimodal magmatism in the french Massif Central and of its further metamorphic evolution, Contributions to Mineralogy and Petrology, vol.224, issue.D, pp.1-12, 1982.
DOI : 10.1007/BF00376956

A. Pommier, A. Cocherie, and O. Legendre, EPMA dating Users' manual: Age calculation from electron probe microanalyzer measurements of U-Th-Pb, internal report, Bur. de Rech. Geol. et Min, 2002.

M. Robardet, The Armorica ???microplate???: fact or fiction? Critical review of the concept and contradictory palaeobiogeographical data, Palaeogeography, Palaeoclimatology, Palaeoecology, vol.195, issue.1-2, pp.125-148, 2003.
DOI : 10.1016/S0031-0182(03)00305-5

J. Roig and M. Faure, La tectonique cisaillante polyphasee du Sud Limousin (Massif central francais) et son interpretation dans un modele d'evolution polycyclique de la chaine hercynienne, La tectonique cisaillante polyphasée du Sud-Limousin, pp.295-307, 2000.
DOI : 10.2113/171.3.295

URL : https://hal.archives-ouvertes.fr/hal-00115162

J. Y. Roig, M. Faure, and C. Truffert, Folding and granite emplacement inferred from structural, strain, TEM and gravimetric analyses: the case study of the Tulle antiform, SW French Massif Central, Journal of Structural Geology, vol.20, issue.9-10, pp.1169-1189, 1998.
DOI : 10.1016/S0191-8141(98)00061-3

J. Rolet, La Phase Bretonne en Bretagne: état des connaissances, Bull. Soc. Geol. Mineral. Bretagne, vol.14, pp.63-71, 1982.

M. Santosh, A. S. Collins, I. Tamashiro, S. Koshimoto, Y. Tsutsumi et al., The timing of ultrahigh-temperature metamorphism in Southern India: U???Th???Pb electron microprobe ages from zircon and monazite in sapphirine-bearing granulites, Gondwana Research, vol.10, issue.1-2, pp.128-155, 2006.
DOI : 10.1016/j.gr.2005.12.005

K. Suzuki and M. Adachi, Precambrian provenance and Silurian metamorphism of the Tsubonosawa paragneiss in the South Kitakami terrane, Northeast Japan, revealed by the chemical Th-U-total Pb isochron ages of monazite, zircon and xenotime., GEOCHEMICAL JOURNAL, vol.25, issue.5, pp.11-37, 1991.
DOI : 10.2343/geochemj.25.357

F. Tera and G. F. 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

P. Vidal, J. Peucat, and B. Lasnier, Dating of granulites involved in the hercynian fold-belt of Europe: An example taken from the granulite-facies orthogneisses at La Picherais, Southern Armorican Massif, France, Contributions to Mineralogy and Petrology, vol.57, issue.701, pp.283-289, 1980.
DOI : 10.1007/BF00376146

I. Wendt and C. Carl, The statistical distribution of the mean squared weighted deviation, Chem. Geol, vol.86, pp.275-285, 1991.

B. Wernicke and B. C. Burchfiel, Modes of extensional tectonics, Modes of extensional tectonics, pp.105-115, 1982.
DOI : 10.1016/0191-8141(82)90021-9

W. Roddick and . Spiegel, Three natural zircon standards for U-Th-Pb, Lu-Hf, trace element and REE analysis, Geostand. Newsl, vol.19, pp.1-23, 1995.

I. S. Willliams, U-Th-Pb Geochronology by Ion Microprobe, Rev. Ecol. Geol, vol.7, pp.1-35, 1998.

X. K. Zhu and R. K. , Zonation of monazite in metamorphic rocks and its implications for high temperature thermochronology: a case study from the Lewisian terrain, Earth and Planetary Science Letters, vol.171, issue.2, pp.209-220, 1999.
DOI : 10.1016/S0012-821X(99)00146-6