 | | Journal (article/letter/editorial) | | towards a Variscan suture zone (Champtoceaux Complex, Armorican Massif, France) P . P I T R A , M . B A L...6118, Université Rennes 1, 35042 Rennes, Cedex, France (pavel.pitra@univ-rennes1.fr) ABSTRACT We describe...belt of Western Europe – the Champtoceaux Complex (Armorican Massif, France), interpreted as a trace of...Allochthon); and migmatites with boudins of eclogite and kyanite–biotite–garnetbearing metapelitic lenses (Upper...development of the inverted metamorphic zoning in the Champtoceaux Complex is due to the emplacement of a hot nappe |  | | Journal (article/letter/editorial) | | the Champtoceaux Nappe (Brittany, France) 1 2 Laboratoire de tectonique, CAESS, Universite de Rennes...Rennes I, 35042 Rennes Cedex, France Laboratoire de pe'trologie metamorphique, U.A. C.N.R.S. 727, Universite...Universite Paris VII, 75230 Paris Cedex 05, France (Received 29 June 1988; revised typescript accepted 24 January...micaschists from the Champtoceaux nappe (Brittany, France) is first described. The Champtoceaux metapelites present...staurolite 4- garnet cores, and (2) garnet rims+ kyanite± chloritoid. Detailed microprobe analyses show |  | Bosse, Valerie, Feraud, Gilbert, Ruffet, Gilles, Ballèvre, Michel, Peucat, Jean-Jacques, De Jong, Koen (2000) Late Devonian subduction and early-orogenic exhumation of eclogite-facies rocks from the Champtoceaux Complex (Variscan belt, France) Geological Journal, 35 (3) 297-325 doi:10.1002/gj.864 | Journal (article/letter/editorial) | | eclogite-facies rocks from the Champtoceaux Complex (Variscan belt, France) VALERIE BOSSE,1* GILBERT FERAUD...JEAN-JACQUES PEUCAT 2 and KOEN DE JONG3 1 GeÂosciences Azur (UMR-CNRS 6526), Universite de Nice-Sophia Antipolis...Antipolis, Nice, France 2 GeÂosciences Rennes (UPR-CNRS 4661), Universite de Rennes, France 3 Geological Survey...Department, Tsukuba, Ibaraki, Japan In order to de®ne the mechanisms involved during exhumation of the...eclogite-facies rocks from the Champtoceaux Complex (Armorican Massif, France), Sm-Nd, Rb-Sr and 40Ar/39Ar |  | | Report (chapter) | | Université de Rennes I, 35042 Rennes Cedex, France 2 Departamento de Geologı́a, Universidad de Salamanca...Salamanca, Spain 3 Departamento de Petrologı́a y Geoquı́mica e Instituto de Geociencias (UCM-CSIS), Universidad...PC 130, Sultanate of Oman 5 Laboratoire Magmas et Volcans, Université Blaise-Pascal Clermont-Ferrand...Clermont-Ferrand, 5 rue Kessler, 63000 Clermont-Ferrand, France *Corresponding author (e-mail: michel.ballevre@univ-rennes1...University of Chicago on October 6, 2014 78 M. BALLÈVRE ET AL. zones on both sides of the Bay of Biscay or |  | | Book | | Geology in France and Related Areas (1994) J. D. Keppie (Ed.) Pre-Mesozoic Geology in France and Related...Cataloging-in-Publication Data. Pre-Mesozoic geology in France and related areas / J. D. Keppie (ed.). p.cm.Developed...2. Geology, Stratigraphic-Paleozoic. 3. Geology-France.!. Keppie, J. Duncan. II. IGCP Project 233-Terranes...comprehensive account of the PreMesozoic Geology of France (Armorican and Central Massifs) and related areas...the international copference held in Montpellier, France, in August, 1988, where a vast amount of new information |  | | Journal (article/letter/editorial) | | Netherlands ORIGIN OF ECLOGITES FROM SOUTH BRITTANY,FRANCE: A Sm-Nd ISOTOPICAND REE STUDY J. BERNARD-GRIFFITHS...Socles, Znstitut de Ge’ologie, for publication December 35042 Rennes Ce’dex (France) 12, 1984) Abstract...Chem. Geol. (Isot. Geosci. Sect.), 52: 185-201. France: A Sm-Nd Geochemistry and Rare-earth element (REE)...Armorican massif in the Hercynian fold-belt of western France. The REE distribution patterns suggest that: (1)...western part of the Hercynian belt in south Brittany, France, contains eclogitefacies rocks exposed in a 600-km |  | | Journal (article/letter/editorial) | | of Nantes, France) G. Godard 1, J.-R. Kienast 2 and B. Lasnier 1 Laboratoire de P6trologie et Min+ralogie...Universit6 de Nantes, 2 chemin de la Houssini~re, F-44072 Nantes Cedex, France 2 Laboratoire de P6trographie...Universit+ Pierre et Marie Curie, 4 place Jussieu, F-75230 Paris Cedex 05, France Abstract. A petrological...eclogite occurring near Nantes (MassifArmoricain, France) has enabled us to characterize this amphibole...Armoricain (West France). In this area, three occurrences of this mineral are known: Ile de Groix (Morbihan) |  | | Journal (article/letter/editorial) | | ASSOCIATED ROCKS IN THE HERCYNIAN BELTOF SOUTH BRITTANY, FRANCE J.L. PAQUETTE’, J.J. PEUCAT’, J. BERNARD-GRIFFITHS’...Structurale Laboratoire de Ge’ochimie-Gkochronologie, * U.niversite’ de Nantes, Laboratoire de Mindralogie (Accepted...Znstitut de Gdologie, 35042 Rennes Ckdex (France) et Pktrologie, 44072 Nantes Ce’dex (France) December...rocks in the Hercynian belt of south Brittany, France. In: D.C. Smith and Ph. Vidal (Guest-Editors),...U-Pb dating of zircon from an eclogite of the Champtoceaux Complex, south Brittany, has yielded an upper |  | Paquette, J.-L., Ballèvre, M., Peucat, J.-J., Cornen, G. (2017) From opening to subduction of an oceanic domain constrained by LA-ICP-MS U-Pb zircon dating (Variscan belt, Southern Armorican Massif, France) Lithos, 294. 418-437 doi:10.1016/j.lithos.2017.10.005 | Journal (article/letter/editorial) | | constrained by LA-ICP-MS U-Pb zircon dating (Variscan belt, Southern Armorican Massif, France) J.-L. Paquette...constrained by LA-ICP-MS U-Pb zircon dating (Variscan belt, Southern Armorican Massif, France). The address...constrained by LA-ICP-MS U-Pb zircon dating (Variscan belt, Southern Armorican Massif, France). J.-L. Paquettea...Ballèvreb, J.-J. Peucatb, G. Cornenc Laboratoire Magmas et Volcans (Université Clermont-Auvergne-CNRS-IRD-OPGC)...Clermont-Ferrand, France Géosciences Rennes (UMR 6118), Université de Rennes , 35042 Rennes Cedex, France c Laboratoire |  | Cheval-Garabédian, Florent, Faure, Michel, Marcoux, Eric, Gouin, Jérome, Picault, Maxime (2020) The La Bellière gold and antimony district (French Armorican Massif): A two-stage evolution model controlled by Variscan strike-slip tectonic. Ore Geology Reviews, 125. 103681pp. doi:10.1016/j.oregeorev.2020.103681 | Journal (article/letter/editorial) | | Journal Pre-proofs The La Bellière gold and antimony district (French Armorican Massif): a twostage evolution... M. Faure, E. Marcoux, J. Gouin, M. Picault, The La Bellière gold and antimony district (French Armorican...pertain. © 2020 Published by Elsevier B.V. The La Bellière gold and antimony district (French Armorican...Sciences de la Terre d'Orléans (ISTO), UMR 7327-CNRS/Université d'Orléans/BRGM, 1A Rue de la Férollerie...Férollerie 45071 Orléans Cedex 2, France 2: Variscan Mines, 10 rue Léonard-de-Vinci, 45074 Orléans Cedex 2 3: |  | | Journal (article/letter/editorial) | | formation: southern Brittany metamorphic belt, France M I C H A E L BROWN' A N D R . D A V I D D A L...generate high-T spikes during exhumation (e.g. De Yoreo et al., 1989); (2) rock strength is strongly temperature...influenced by deviatoric stresses (e.g. Sandiford et al., 1991; Stuwe & Sandiford, 1994); and (3) rates...exhumation may vary during the orogenic cycle (e.g. Hames et al., 1989). High-grade metamorphic terranes characterized...rapid exhumation during orogenic extension (e.g. Hill et al., 1992). Orogenic extension can occur if erosion |  | | Journal (article/letter/editorial) | | Mineral. 2003, 15, 977-989 Garnet-chloritoid-kyanite metapelites from the Raspas Complex (SW Ecuador):...CNRS 6118), Université de Rennes 1, F-35042 Rennes Cedex, France pour la Recherche et le Développement -...Laboratoire de Géologie des Chaînes Alpines, BP 53, F-38041 Grenoble Cedex 9, France 3Institut de Minéralogie...Minéralogie et Géochimie, Université de Lausanne, BFSH2, CH-1015 Lausanne, Suisse 2Institut Abstract: The...display three assemblages: (i) garnet + chloritoid + kyanite, (ii) garnet + chloritoid and (iii) garnet + chlorite |  | | Journal (article/letter/editorial) | | Laboratoire de Tectonique, Centre armoricain d’ktude structurale des socles, Universitk de Rennes I, 35042...35042 Rennes Cedex, France Abstract. A detailed study of garnet-chloritoid micaschists fom the Sesia...chloritoid + chlorite and garnet + chloritoid + kyanite. Talc has never been observed. Garnet and chloritoid...magnesian when chlorite is present instead of kyanite. The distinction of the two equilibria results...chlorite coesite cordierite chloritoid garnet jadeite kyanite lawsonite paragonite quartz sillimanite staurolite |  | | Journal (article/letter/editorial) | | Gil Ibarguchi a, R.D. Dallmeyer c a Departamento de Mineralogı́a y Petrologı́a, Universidad del Paı́s...E-48080 Bilbao, Spain b Institut de Minéralogie et Géochimie, Université de Lausanne, BFSH2, CH-1015 Lausanne...Malpica – Tui complex and its correlative, the Champtoceaux complex in the French Armorican Massif. The...rocks in many orogenic systems (Bell, 1981; Bell et al., 1986). Within this strain pattern, pre-kinematic...may be preserved in undeformed 112 J. Rodrı́guez et al. / Lithos 70 (2003) 111–139 domains due to the |  | Berger, Julien, Féménias, Olivier, Ohnenstetter, Daniel, Bruguier, Olivier, Plissart, Gaëlle, Mercier, Jean-Claude C., Demaiffe, Daniel (2010) New occurrence of UHP eclogites in Limousin (French Massif Central): Age, tectonic setting and fluid–rock interactions. Lithos, 118 (3) 365-382 doi:10.1016/j.lithos.2010.05.013 | Journal (article/letter/editorial) | | Mercier f, Daniel Demaiffe a a Université Libre de Bruxelles (U.L.B.), GIGC, DSTE, CP 160/02, 50 Avenue...Belgium Chargé de recherches du FRS-FNRS, Belgium CRPG, CNRS, F-54501 Vandoeuvre lès Nancy, France d Université...Université de Montpellier 2, UMR CNRS 6250 Géosciences Montpellier, CC 60, Place Eugène Bataillon, 34095 Montpellier...Montpellier Cedex 05, France e Aspirant du FRS-FNRS, Belgium f Université de la Rochelle, UMR CNRS 6250...LIENSs », ILE, 2 rue Olympe de Gouges F-17042 La Rochelle Cedex 1, France b c a r t i c l e i n f o |  | | Journal (article/letter/editorial) | | eclogite-facies gneiss from the southern Armorican Massif (France) GASTON GODARD* CNRS-UMR 7097, IPGP, Université...Paris 7, Case 89, 4 place Jussieu, 75252 Paris, France *Corresponding author, e-mail: godard@ipgp.jussieu...Essarts Unit (Armorican Massif, Vendée, western France) contains eclogites that are considered as remnants...high-pressure minerals to grow (garnet, phengite, kyanite, rutile, and probably jadeite) at the expense of...rocks, Variscan orogeny, Armorican Massif (Vendée, France). Résumé: Voir le materiel supplémentaire, disponible |  | | Journal (article/letter/editorial) | | example from the Leon region, north-west Brittany, France K . A . JONES* Department of Geography and Geology...sequence of foliated gneisses, the Gneiss de Brest and Gneiss de Lesneven. The sequence exhibits a steep...reaction; foliation development; north-west Brittany, France; overthrusting; porphyroblast growth; P-T-d paths;...(Fig. la). It is bounded to the east by the North Armorican Composite Terrane (NACT); (Strachan et al....of the 700-425-Ma Cadomian orogenic belt (D’Lemos et al., 1990, and references therein). The Leon region |  | | Journal (article/letter/editorial) | | hornblende was reported from amphibolites (Mottana et al. 1994) where it was explained to form due to the...biotite) and the initial 87Sr/86Sr ratio (Oberc-Dziedzic et al. 1996) suggests a magma-mixing process in the...649860. Mottana, A. Bocchio, R. Crespi, R. De Capitani, L. Liborio, G. Della Ventura, G. (1994):...metamorphic sequence: Example of the Champtoceaux Complex (Massif Armoricain, France) P. PITRA M. BALLEVRE UMR...6112, Géosciences Rennes, Université Rennes 1, France, pavel.pitra@univ-rennes1.fr; michel.ballevre@univ-rennes1 |  | | Report (chapter) | | Hercynian Shear Belt of Central Brittany (western France): methodology and tectonic implications C. G U... C a m p u s de Beaulieu, Universitd de R e n n e s 1, 35042 R e n n e s cedex, France (e-maik charles...deformed during Carboniferous times (see Le Corre et al. 1991, and references therein). Deformation, which...fabrics first identified and described by Berth6 et al. (1979a, b). To the south, the domain of South...during early Carboniferous times (Bosse et al. 2000, 2002; Le H6bel et al. 2002). Then, synconvergence extension |  | Debat, Pierre, Nikiéma, Serge, Mercier, Alain, Lompo, Martin, Béziat, Didier, Bourges, François, Roddaz, Martin, Salvi, Stefano, Tollon, Francis, Wenmenga, Urbain (2003) A new metamorphic constraint for the Eburnean orogeny from Paleoproterozoic formations of the Man shield (Aribinda and Tampelga countries, Burkina Faso) Precambrian Research, 123 (1) 47-65 doi:10.1016/s0301-9268(03)00046-9 | Journal (article/letter/editorial) | | Tollon a , Urbain Wenmenga c a c Laboratoire de Minéralogie et Cristallographie, UMR 5563, Université Paul...31400 Toulouse Cedex, France b BHP-BILLITON Ltd., Cape Town, South Africa Département de Géologie, FAST, Université...Université de Ouagadougou, Ouagadougou, Burkina Faso Received 7 June 2001; accepted 18 January 2003 ...metamorphism at 5–6 kbar. Biotite, chloritoid, staurolite–kyanite zones are distributed concentrically around the...Paleoproterozoic; Birimian; Eburnean; Staurolite–kyanite assemblage; Contact metamorphism; Burkina Faso |  | | Journal (article/letter/editorial) | | eclogites and garnet pyroxenites from South Brittany (France) : an old oceanic crust in the West European Hercynian...Godard 2 and B. Postaire ’ ’ Institut de Gkologie, Laboratoire de Gt!ochronologie du CAESS, C.N.R.S., Avenue...Campus de Beaulreu, 35042 Rennes Cedex (France) ’ Universitk de Names, Dkpartement des Sciences de la Terre... Laboratoire de Phrologie et Minkralogie, Chemrn de In Houssrnihe, Nantes Cedex (France) 44072 Received...in fact been obtained by U-Pb zircon dating. Krogh et al. [2] 0012-821X/82/0000-0000/$02.75 obtained 207Pb/ |  | Manzotti, Paola, Ballèvre, Michel, Pitra, Pavel, Putlitz, Benita, Robyr, Martin, Müntener, Othmar (2020) The Growth of Sodic Amphibole at the Greenschist- to Blueschist-facies Transition (Dent Blanche, Western Alps): Bulk-rock Chemical Control and Thermodynamic Modelling. Journal of Petrology, 61 (4) doi:10.1093/petrology/egaa044 | Journal (article/letter/editorial) | | Géosciences Rennes-UMR 6118, F-35000 Rennes, France; 4Ceská geologická sluzba, Prague 1, Czech Republic...(path A in Fig. 1; Roda & Zucali, 2008; Angiboust et al., 2014). The second hypothesis is that the rocks...mapping campaign (Manzotti & Ballèvre, 2017; Manzotti et al., 2017), we studied the rare sodic amphibole-bearing...theoretical development by Liou et al. (1985) and experimental data by Maruyama et al. (1986) have definitely...g. White et al., 2000, 2002; Fitzherbert et al., 2003, 2005; Warren & Waters, 2006; Diener et al., 2007; |  | | Journal (article/letter/editorial) | | those from N. W. Spain (1.5 to 5.6 permil), W. France, S. Germany, and W. Norway. Since isotopic exchange...B-type eclogites is 6.5 permil. Introduction Coleman et al. (1965) s u b d i v i d e d eclogites into t h...5 inf 1 1 Br88b Eclogite (B-type); Brittany, France whole rock quartz clinopyroxene 4- 4.0 ~= 0.2...1 4- 3.1 4- 2.5 -- 0.2 inf 2 3 i 1 1 1 NW 1 Kyanite-zoisite eclogite ; Norway whole rock quartz clinopyroxene...from the following localities: California (Coleman et al., 1965; Ernst, 1965), Erzgebirge (Eigenfeld-Mende |  | Arenas, R., Novo-Fernández, I., Garcia-Casco, A., Díez Fernández, R., Fuenlabrada, J.M., Pereira, M.F., Abati, J., Sánchez Martínez, S., Rubio Pascual, F.J. (2021) A unique blueschist facies metapelite with Mg-rich chloritoid from the Badajoz-Córdoba Unit (SW Iberian Massif): correlation of Late Devonian high-pressure belts along the Variscan Orogen. International Geology Review, 63 (13) 1634-1657 doi:10.1080/00206814.2020.1789509 | Journal (article/letter/editorial) | | Fuenlabrada d , M. a Departamento de Mineralogía y Petrología e Instituto de Geociencias (UCM, CSIC), Universidad...Spain; bDepartamento de Mineralogía y Petrología e Instituto Andaluz de Ciencias de la Tierra (UGR, CSIC)...CSIC), Universidad de Granada, Granada, Spain; cDepartamento de Geodinámica, Estratigrafía y Paleontología...Paleontología, Universidad Complutense, Madrid, Spain; dCAI de Geocronología y Geoquímica Isotópica, Universidad...Departamento de Geociȇncias, Universidade de Évora, Évora, Portugal; fInstituto Geológico y Minero de España |  | | Journal (article/letter/editorial) | | parageneses. While both contain quartz, muscovite, kyanite and hematite, one type contains additional chloritoid...and Ferry (1992), Droop and Harte (1995) and Mahar et al. (1997). The strong preference of staurolite for...(Hoinkes, 1981; Spear and Franz, 1986; Ballevre et al., 1989). It is responsible for a considerable...Cheney, 1989; Powell and Holland, 1990; Xu et al., 1994; Will et al., 1998), and even the latest grids published...rocks from a moderately high-pressure area, which de®nitely are the result of small differences in minor |
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