	Bosse, Valérie, Féraud, Gilbert, Ballèvre, Michel, Peucat, Jean-Jacques, Corsini, Michel (2005) Rb–Sr and 40Ar/39Ar ages in blueschists from the Ile de Groix (Armorican Massif, France): Implications for closure mechanisms in isotopic systems. Chemical Geology, 220 (1) 21-45 doi:10.1016/j.chemgeo.2005.02.019	Journal (article/letter/editorial)
	ages in blueschists from the Ile de Groix (Armorican Massif, France): Implications for closure mechanisms... 5, rue Kessler, 63038 Clermont Ferrand Cedex, France b Géosciences Azur (UMR-CNRS 6526), Université...Nice-Sophia Antipolis, Parc Valrose, 06108 Nice Cedex 2, France c Géosciences Rennes (UMR-CNRS 6118), Université...Université de Rennes 1, 35042 Rennes Cedex, France Received 1 October 2003; accepted 28 February 2005 Abstract...from the HP/LT rocks from the Ile de Groix (Armorican Massif, France), which represents one of the few occurrences
	Limur, Cte de (1884) Catalogue raisonné des minéraux du Morbihan [Catalog raisonné of Morbihan minerals] - pour faire suite aux catalogues des mollusques et des oiseaux, etc. déja publiés sous les auspices de la Société Polymathique du Morbihan [to follow the catalogs of molluscs and birds, etc. already published under the auspices of the Société Polymathique du Morbihan]. Imprimerie Galles, Vannes.	Book
	général de la Société du Morbihan, décoré de la Plaque du Morbihan, d’Histoire naturelle Minéralogie...Minéralogie Béziers, de de Toulouse, France, de la Société Linnéenne Normandie, Correspondant de de...de la Société des Sciences et Arts de Doyen MORBIHAN. du Brésil, de la Société de ETC. Ordre,...OISEAUX, PRULIIIÈRE la Rose cet Géologique de France, de M. : Cte l’Ordre Impérial DES DU POLYMATHIQUE...Officier de ET SOUS LES AUSPICES PitfeHDENT PAR MORBIHAN SUITE MOLLUSQUES DES DÉJÀ PUBLIÉS DE DU
	Ballèvre, M., Fourcade, S., Capdevila, R., Peucat, J.-J., Cocherie, A., Fanning, C. Mark (2012) Geochronology and geochemistry of Ordovician felsic volcanism in the Southern Armorican Massif (Variscan belt, France): Implications for the breakup of Gondwana. Gondwana Research, 21 (4) 1019-1036 doi:10.1016/j.gr.2011.07.030	Journal (article/letter/editorial)
	in the Southern Armorican Massif (Variscan belt, France): Implications for the breakup of Gondwana M. Ballèvre...Rennes Cedex, France Open University, Chemin de Bédilières, 34120 Lézignan-la-Cèbe, France BRGM (MMA/ISO)...C. Guillemin, BP 36009, 45060 Orléans cedex 2, France d Research School of Earth Sciences, ANU, Canberra...volume of the South Armorican domain (Variscan belt, France). Their age and geochemistry are the ﬁrst focus...Precambrian crustal evolution of Western Europe (Iberia, France, Germany) is marked by the development of the Cadomian
	El Korh, A., Schmidt, S.Th., Vennemann, T., Ballèvre, M. (2013) Trace element and isotopic fingerprints in HP–LT metamorphic rocks as a result of fluid–rock interactions (Ile de Groix, France) Gondwana Research, 23 (3) 880-900 doi:10.1016/j.gr.2012.07.014	Journal (article/letter/editorial)
	a result of ﬂuid–rock interactions (Ile de Groix, France) A. El Korh a,⁎, S.Th. Schmidt a, T. Vennemann...6118), University of Rennes 1, 35042 Rennes Cedex, France a r t i c l e i n f o Article history: Received...different HP–LT metamorphic rocks of the Ile de Groix were analysed to characterise geochemical ﬁngerprints...variety of metamorphic assemblages on the Ile de Groix is thus directly related to the pre-HP rock composition...retrogression in the western part of the Ile de Groix primarily reﬂects stronger metasomatic intensities
	(2014) Correlation of the nappe stack in the Ibero-Armorican arc across the Bay of Biscay: a joint French–Spanish project. Special Publication, 405. Geological Society of London. 77-113 doi:10.1144/sp405.13	Report (chapter)
	6118,Université de Rennes I, 35042 Rennes Cedex, France 2 Departamento de Geologı́a, Universidad de Salamanca...Clermont-Ferrand, 5 rue Kessler, 63000 Clermont-Ferrand, France Corresponding author (e-mail: michel.ballevre@univ-rennes1...the similarities to the terrains of Cornwall and Brittany* and the fact that both folded regions continue...nine zones, most of them continuing into western France. The authors also established a tectonic zoning...granitic orthogneisses in Spain, ‘porphyroı̈des’ in France (Le Hébel et al. 2002, 2007). They are derived
	El Korh, Afifé, Luais, Béatrice, Boiron, Marie-Christine, Deloule, Etienne, Cividini, Damien (2017) Investigation of Ge and Ga exchange behaviour and Ge isotopic fractionation during subduction zone metamorphism. Chemical Geology, 449. 165-181 doi:10.1016/j.chemgeo.2016.11.017	Journal (article/letter/editorial)
	20, F-54501 Vandœuvre-lès- 2 MA Nancy Cedex, France GeoRessources, Université de Lorraine, CNRS, UMR...BP PT ED 70239, F-54506 Vandœuvre-lès-Nancy, France CE Corresponding author: elkorh@crpg.cnrs-nancy...and pelitic micaschists from MA the Ile de Groix* (France), to determine Ge and Ga behaviour and Ge isotope...reduced fluid migration in subduction zones for graphite formation in subducted sediments overlying hydrothermally...and retrograde greenschist facies of the Ile de Groix, a well-known latePalaeozoic HP–LT terrane. In this
	El-Shazly, A. K., Liou, J. G. (1991) Glaucophane chloritoid-bearing assemblages from NE Oman: petrologic significance and a petrogenetic grid for high P metapelites. Contributions to Mineralogy and Petrology, 107 (2) 180-201 doi:10.1007/bf00310706	Journal (article/letter/editorial)
	from Oman, New Caledonia, Seward Peninsula, Ile de Groix, Sifnos and Peloponnese, where G l n + Ctd bearing...formation of phase "i"; Gln= Glaucophane; Grph = Graphite; Gt = Garnet; A/-Ff'i = Standard state enthalpy...Roever 1956; Zermatt Saas, Bearth 1967; Ile de Groix, Velde 1967). The rarity of this assemblage led...chlorite and paragonite in metapelites from Ile de Groix. Katagas (1980) reached the same conclusion after...- T estimates of Paradis et al. (1983) for Brittany (France). Theye and Seidel (1989) suggest that reaction
	Keppie, J. Duncan, Nance, R. Damian, Murphy, J. Brendan, Dostal, Jaroslav, Braid, James A. (2010) The high-pressure Iberian–Czech belt in the Variscan orogen: Extrusion into the upper (Gondwanan) plate?. Gondwana Research, 17 (2) 306-316 doi:10.1016/j.gr.2009.08.007	Journal (article/letter/editorial)
	be either: (a) a suture of the Galician, South Brittany, Massif Central and Moldanubian ocean; (b) a nappe...and then from Armorica and the Massif Central in France to the Black Forest and Bohemian Massif of Germany...Simancas et al., 2002), the Ligerian or southern Brittany ocean (Matte, 2001), the Massif Central ocean...in the Silurian through the Middle Devonian in France and their contemporaneous passive margin neighbours...long piece of the Rheic suture (1000 km in both France and Iberia, to which must be added an additional
	*Lacroix, A. (1913) Minéralogie de la France et de ses colonies* Vol. 5. Library Polytechnique, Paris.**	Book (volume)
	l’Institut Muséum d’histoire naturelle DE LA FRANCE ET SES COLONIES DK description physique et chimique...strüvérite et la inonazite. MINÉHALÜGIE DE IA FRANCE 4 lima paru dès le premier abord vraisemblable...0;09 1120 10,90 : ana- MlNKliALOGIK DK (i FRANCE ],A (>nOUPE DE L’APATÏTE APATITE Anjou. (T...0,3930 : 1 : 0,4339] 8 MINÉKALOGIE DE LA FRANCE Ces nouvelles données permettent de simplifier.../r"(o30), lŸ (320). (443), dü MINÉRALOGIE DE LA FRANCE — Madagascar. La région minière d’Andavakoera
	*(2005, October) Richard Tayler Individual Minerals Catalogue* 98. Richard Tayler Minerals**	Catalog/List
	Mission Mine, Pima County, Arizona USA £25 17. GRAPHITE, pure metallic mass about 2x4 inches Ratnapure...second cleavage (lineation) lie de Crozon, Brittany France 6x2.5 inches and about 4mm thick £4 What you...grained, throughout out green-grey rock. (Groix Island, Brittany, France) 2x2 £2 2x3 £4 98. ALBITE PEGMATITE
	Katagas, Christos (1980) Ferroglaucophane- and chloritoid-bearing metapelites from the phyllite series, southern Peloponnese, Greece. Mineralogical Magazine, 43 (332) 975-978 doi:10.1180/minmag.1980.043.332.03	Journal (article/letter/editorial)
	(I967), and Makanjuola and Howie 0972) from ile de Groix, Roever and Nijhuis 0964) from Spain, Tshcopp (1923)...garnet occur in lesser amounts and fine-grained graphite is dispersed in the rock, sometimes forming trains...NF 26, 257 320. - - I924. C.R. somm. Soc. geol. France, 24, 61- 3. - - 1 9 2 6 . Prakt. Akad. Ath. 1,...Paris, D280, 947-5 o. - - 1976. Bull. Soc. geol. France, 7, t. XVIII, 346. Tschopp (H.), 1923. Eclogae...Eclogae Geol. Helv. 18, 77-2o6. Velde (B.), 1967. Morbihan. Bull. Soe. Franc. Mineral. Crist. 90, 265-6. Wedepohl
	*Foucault, Alain, Farges, François (2013) À la découverte des minéraux et des pierres précieuses [Discovering minerals and gemstones]. Dunod, Paris.*	Book
	stalactiforme et rubanée sont en Oural et au Katanga. En France, hormis la célèbre mine de Chessy (localité-type...négatives. Diamant (sur gangue, Afrique du Sud) Graphite (Maroc) À la lumière des dernières découvertes... La fluorine possède un clivage identique. Le graphite doit sa faible dureté à des plans de clivage,...Morphologie et structures atomiques du carbone dans le graphite et la lonsdaléite leurs différences de structure...minéraux composés uniquement de carbone : diamant, graphite, lonsdaléite et chaoite. Mais, seul le diamant
	El Korh, Afifé, Luais, Béatrice, Deloule, Etienne, Cividini, Damien (2017) Iron isotope fractionation in subduction-related high-pressure metabasites (Ile de Groix, France) Contributions to Mineralogy and Petrology, 172 (6) doi:10.1007/s00410-017-1357-x	Journal (article/letter/editorial)
	subduction‑related high‑pressure metabasites (Ile de Groix, France) Afifé El Korh1,2 · Béatrice Luais1 · Etienne...and retrograde greenschists) from the Ile de Groix (France), a Variscan high-pressure terrane, to determine...Pauvres, BP 20, 54501 Vandœuvre‑Lès‑Nancy Cedex, France 2 Unit of Earth Sciences, Department of Geosciences...hydrothermally altered metabasites (Ile de Groix, France) of prograde blueschist and eclogite facies...greenschist facies from the Ile de Groix (Armorican Massif, France), a well-known Variscan HP–LT unit
	*Lattard, Dominique, Le Breton, Nicole (1994) The P-T-fO 2 stability of deerite, Fe 12 2+ Fe 6 3+ [Si12O40](OH)10. Contributions to Mineralogy and Petrology, 115 (4) 474-487 doi:10.1007/bf00320980*	Journal (article/letter/editorial)
	Universit~ d'Orl~ans, B.P. 6759, F-45067 Orleans, France Received February 1, 1993 AcceptedAugust 4, 1993...chambers 19 mm in diameter and pressure cells with graphite furnaces mantled by NaC1, talc or fired pyrophyllite...et al. 1992); C, San Andrea di Cotone, Corsica, France (Caron et al. 1981 ; Verni6 et al. 1986; Fournier...Schliestcdt 1984; Brown 1986); G, lle de Groix, Brittany, France (Barrientos 1992; Barrientos and Selverstone...Corsica (France; cf. Verni6 et al. 1986; "C" box in Fig. 9), and in the lle de Groix (Bretagne, France; Dudek
	*HALFERDAHL, L. B. (1961) Chloritoid: Its Composition, X-ray and Optical Properties, Stability, and Occurrence. Journal of Petrology, 2 (1) 49-135 doi:10.1093/petrology/2.1.49*	Journal (article/letter/editorial)
	Rhode Island, U.S.A. Venasque, Pyrenees Mts., France St. Marcel, Piedmont, Italy Prost, 1883-4 Igelstrom...analyses of ottrelite from the Ardennes of Belgium and France (52-56, Table 6) showed varying and lesser amounts...1-44 007 0-24 404 1000 21. Venasque, Pyrenees, France. Manasse (1911, p. 41). This analysis and specific...quartz, and sericite. 34. Monte Fenouillet, Var, France. Manasse (1911). This analysis and specific gravity...The analysed chloritoid 61. Venasque, Pyrenees, France. Damour (1879). The analysed chloritoid was too
	Massonne, Hans-Joachim, Szpurka, Zbigniew (1997) Thermodynamic properties of white micas on the basis of high-pressure experiments in the systems K2OMgOAl2O3SiO2H2O and K2OFeOAl3O3SiO2H3O. Lithos, 41 (1) 229-250 doi:10.1016/s0024-4937(97)82014-2	Journal (article/letter/editorial)
	synthesis experiments in FASH. Cell type II with a graphite furnace having an inner diameter of 6 mm is able...paleozoic blueschist terrane of the Ile de Groix, Brittany. According to our grid, the minimum pressure...quartz, and H,O is 3.31 p.f.u. In case of the Be de Groix, the Si content of phengite reported by Triboulet...glaucophanites et roches associees de l’ile de Groix (Morbihan, France): Etude mineralogique et petrogenetique
	VERNIÉ, P., KIENAST, J. R., MÉVEL, C. (1986) The occurrence of deerite in highly oxidizing conditions within the ?schistes lustr�s?of eastern Corsica. Journal of Metamorphic Geology, 4 (4) 385-399 doi:10.1111/j.1525-1314.1986.tb00359.x	Journal (article/letter/editorial)
	Curie, 4 place Jussieu, 75252 Paris Cedex 05, France Abstract. A deerite-bearing rock occurs at the...1979); (A):Sifnos (Schliestedt, 1980); (W): Ile de Groix, (Kienast, 1983); (0):Shuksan Unit (Brown, 1974);...1979; Caron er a/., 1981; this study). 12: Ile de Groix (Kienast. 1983). 13: Finney Creek (Brown, 1974)... and in a deerite-bearing rock from the Ile de Groix described by Kienast (1983). At Salbertrand (Agrell...ratio), are found with zussmanite, pyrite or even graphite (Wood, 1979). On the other hand, Mn-rich deerite
	*Proust, Dominique (1986) Supergene Vermiculitization of a Magnesian Chlorite: Iron and Magnesium Removal Processes. Clays and Clay Minerals, 34 (5) 572-580 doi:10.1346/ccmn.1986.0340511*	Journal (article/letter/editorial)
	Surface, Universite de Poitiers 86022 Poitiers CMex, France 2 3 Laboratoire de Metallurgie Physique, Universite...Universite de Poitiers 86022 Poitiers CCdex, France Laboratoire de Petrologie des Alterations Hydrothermales...Hydrothermales, Universite de Poitiers 86022 Poitiers CMex, France Abstract-An X-ray powder diffraction study of...vermiculitized chlorite in an amphibole schist near Limoges, France, shows the following weathering sequence: chlorite...a weathered amphibole schist south of Limoges, France (Figure 1). The unweathered rock at the bottom
	*Keppie, J. D. - Ed.* (1994) Pre-Mesozoic Geology in France and Related Areas. Springer Berlin Heidelberg. doi:10.1007/978-3-642-84915-2**	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
	Nicollet, Christian (1989) L'eclogite de Faratsiho (Madagascar): un cas exceptionnel de métamorphisme de haute-P-basse-T au Protérozoïque supérieur. Precambrian Research, 45 (4) 343-352 doi:10.1016/0301-9268(89)90069-7	Journal (article/letter/editorial)
	5, Rue Kessler, UA 10, Clermont-Ferrand, 63038 (France) (Re~u le 7 octobre 1988; rdvision accept~e le...catazonales. Cette formation montre des leptynites h graphite,des quartzites ~ magn&ite et muscovite, des amphibolites...glaucophanites et roches assocides de File de Groix (Morbihan, France): dtude min~ralogique et pdtrogdndtique
	Hoschek, G. (1969) The stability of staurolite and chloritoid and their significance in metamorphism of pelitic rocks. Contributions to Mineralogy and Petrology, 22 (3) 208-232 doi:10.1007/bf00387954	Journal (article/letter/editorial)
	muscovite with 2Mx structure. Biotite (Largentiere, France), from medium-grade pelitie rocks. A partial chemical...range of XH,O will result), and H~O--CO~--CH~ (graphite-bearing pelitie rocks; in most cases XH,o will...gas phase of the v e r y c o m m o n occurring graphite-bearing pelitic rocks (F~E~OH and EVGSTE~, 1965...of Po2- MIrASHIRO (1964) pointed o u t t h a t graphite in petitic rocks acts like a redox buffer. FI~NC~I...F M Q barfer. I t seems reasonable t h a t in graphite-bearing pelitie rocks a uniform sequence of reaetions
	*Barker, A,. J. (2014) A key for identification of rock-forming minerals in thin-section. CRC Press.*	Book
	face (ie end-section). Granite; St. Jacut, Brittany, France. (d) Anhedral spessartine garnet; Nisserdal...twinning (plagioclase) in granite; St.Jacut, Brittany, France; c) cross-hatched twinning (microcline) in...glaucophane schist (blueschist); Ile de Groix, Brittany, France. x100 81 Intense prussian blue-indigo...Oxo-hornblende phenocryst in andesite; Plomb du Cantal, France. x100 85 Note: The black iron-oxides often seen...Jadeite (end section) in blueschist; Ile de Groix, Brittany, France. Note: Omphacite (colourless to pale grn
	*Skerl, J.G.A. (1927) Notes on the petrography of the Northampton Ironstone. Proceedings of the Geologists' Association, 38 (3) 375-394 doi:10.1016/s0016-7878(27)80012-x*	Journal (article/letter/editorial)
	inclusions in the interior, probably of magnetite or graphite. The irregular grains are mainly brownish-green...country. There are two other areas, Scotland and Brittany, in which chloritoid-bearing rocks are known....wellknown occurrence of chloritoid in the schists of Morbihan (19). A specimen of this rock containing large...provenance. There are several difficulties in accepting Brittany as the source of the heavy mineral assemblage...BARROIS. Sur les schistes metamorphiques de I'lle de Groix. Ann. Soc. Ceol. du Nord, xi. (1884), p. 18. A.
	*Decarreau, A. (1987) Domain Segregation in Ni-Fe-Mg-Smectites. Clays and Clay Minerals, 35 (1) 1-10 doi:10.1346/ccmn.1987.0350101*	Journal (article/letter/editorial)
	Universite Paris XI, bat. 504, 91405 Orsay Cedex, France Laboratoire de Petrologie de la Surface, UA-CNRS...avenue du Recteur Pineau, 86022 Poitiers Cedex, France Groupe de Physico-Chimie Minerale et de Catalyse...VI et VII 4 place Jussieu, 75252 Paris Cedex 05, France 3 , Centre de Sedimentologie et Geochimie de...du CNRS I rue Blessig, 67084 Strausbourg Cedex, France 6 Laboratoire pour I'Utilisation du Rayonnement...Rayonnement Electromagnetique (LURE) CNRS, 91405 Orsay, France Abstract - The first stage of lateritic weathering
	*(2001) Les Minéraux et la Géologie de La Villeder (Morbihan) Le Règne Minéral - Hors Série* 7. Les Éditions du Piat**	Journal (issue)
	-Paléontologie Les Minéraux et la Géologie de La Villeder (Morbihan) Hors Série VII- 2001 le Règne Minéral - hors...1" Les Minéraux et la Géologie de la Villeder (Morbihan) ,--------------:=--------, Photograph ie de...cyclique 2,8 x 2 x 2, 1 cm Mine de La Villeder, Morbihan Collection privée Photo : L. -D. Bayle AVANT-PROPOS...à l'occasion des Hors-Série n°2 (La Barytine en France), n°3 (La mine d'or de Salsigne) et n°4 (La radioactivité...ici le bel exemple de la mine de La Villeder en France pour l'étain et ses splendides cassitérites tandis

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Graphite from Groix, Lorient, Morbihan, Brittany, France

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Groix, Lorient, Morbihan, Brittany, France