 | | Journal (article/letter/editorial) | | THE HERCYNIAN GRANITES OF NORTH-WEST FINISTÈRE, BRITTANY, FRANCE. J.A. JENNINGS AND G. ROWBOTHAM Jennings...the Hercynian granites of north-west Finistère, Brittany, France. Proceedings of the Ussher Society, 8...the Hercynian orogeny the region of north-west Finistère was intruded by a series of granites. Four of...ge o l o gy The regional geology of north-west Finistère is not well understood. Chauris (1966) described...facies of the Landunvez pluton. The Aber-Ildut granite comprises two facies, an outer equigranular, coarse-grained |  | | Journal (issue) | | et le 9uartz Juillet Août 2005 de Berrien (Finistère) Gîtes minéraux n° 96: Saint-Bresson (Gard) Le...é Cubes: 3 mm Carrière de kaolin de Berrien ( Finistère) Coll. : C. Lucas REVUE BIMESTRIELLE PAR ABONNEMENT...Daniel GOL LE KAOLIN ET LE QUARTZ DE BERRIEN (FINISTÈRE) Murielle LE GALL, André CHASSIN, Jean-Paul de...l'abonnement annuel : 6 numéros + 1 hors série France: Individuel : 50 € - Association et soutien : 65...1 bis, rue du Piat, 43120 Monistrol-sur-Loire, France 0 Oui - je souhaite m'abonner au Règne Minéral |  | | Journal (article/letter/editorial) | | Hill—Geological Visit to Brittany. 59 I I . — I N BRITTANY WITH THE GEOLOGICAL SOCIETY OF FRANCE. By the Rev....had the great pleasure of joining the party. As Brittany is so interesting a region, already very accessible...be conjectural. Among the eruptive i-ocks the granite of Pontaven is Cambrian or Pre-Cambrian; the porphyroid...porphyroid granites of Eostrenen and Huelgoat are of Carboniferous age; the granites with two species...1017/S0016756800200423 60 Rev. E. Bill—Geological Visit to Brittany. iferous and posterior to the last. The kersantons |  | | Journal (article/letter/editorial) | | crystalline rocks extending from southern England through France eastward into central Europe and Asia. The belt...eontemporaines s'6tendant depuis le S. de l'Angleterre, la France et en direction de I'E. en Europe Centrale et en...Normandy (the granite of Athis, southwest of Falaise), in southern France (a small granite body near Lod6ve... such rocks are known in the Massif Central of France, in the Vosges and in Czechoslovakia. Crystalline...(Baveno-Bolzano) and are suspected in Devon (Dartmoor granite, see BUTCHER 1961) and in western Bohemia (Karlovy |  | Boulvais, Philippe, Vallet, Jean-Marc, Estéoule-Choux, Janine, Fourcade, Serge, Martineau, François (2000) Origin of kaolinization in Brittany (NW France) with emphasis on deposits over granite: stable isotopes (O, H) constraints. Chemical Geology, 168 (3) 211-223 doi:10.1016/s0009-2541(00)00225-4 | Journal (article/letter/editorial) | | of kaolinization in Brittany žNW France/ with emphasis on deposits over granite: stable isotopes žO,...35042 Rennes Cedex, France b CICRP, 44 bouleÕard de Dunkerque, 13002 Marseille, France Received 24 June...2000 Abstract In the the Armorican Massif ŽNW France., the formation of kaolinite in surficial conditions...reserved. Keywords: Kaolinization; Stable isotopes; Brittany 1. Introduction Kaolinite may be produced during...kaolinization. In the Variscan Armorican Massif Žwestern France, Fig. 1., kaolinitic clay deposits are abundant |  | | Report (chapter) | | within the Hercynian Shear Belt of Central Brittany (western France): methodology and tectonic implications...n n e s cedex, France (e-maik charles.gumiaux@falw, vu. nl) Abstract: Central Brittany comprises a major...analysis shows that the eastern part of Central Brittany has been deformed by bulk dextral strike-slip...occurrence of local superimposed deformations. Central Brittany is bounded by the North Armorican Shear Zone (NASZ)...style and deformation history (Fig. 1). Central Brittany is mostly composed of Late Proterozoic to Upper |  | | Catalog/List | | 1973 Mail Order Only Minerals principally from FRANCE and IRELAND. All the min~rals were collected by...Omphacite. An Eclogite rock type. (Tulle, Correze, France) 2 x 2 I Op. lb. 30p. to 18 x 9 ins. 3. ANALCITE...breakages, in dark, dense Schist. (Salle de Rohan, Brittany, France) 1 x 2 1 Op. 2 x 2 20p. lb. 70p. to 12 x 12...Pyrite. The Andalusite is FL SW white. {Glomel, Brittany, France) 2 x 2 20p. 2 x 4 40p. lb. 60p. to 12 x 12...inclusions of glassy Plagioclase. (La Chevade, Murat, France) 1 x 2 l0p. 2 x 2 20p. lb. S0p. 7. APATITE, small |  | | Journal (article/letter/editorial) | | "Structures and Relations of some of the Older Rocks of Brittany "~ I briefly referred to the slaty rocks in the...study the older and, presumably, Archman rocks of Brittany, only a moderate amount of time was devoted to...from a small quarry south of the town (on the Huelgoat road) shows the two last-named structures still...metamorphism in Brittany already exists in an elal~oratepaper by Dr. Barrois, "Sur le granite de Rostrenen...from the south of Morlaix, where intrusions of granite are common and indubitably affect the adjacent |  | | Journal (article/letter/editorial) | | Suites and Correlation of the Granites of Northern Brittany, the Channel Islands, and the Cotentin. By A....VII GRANITES. IX. ST. MALO GNEISSES, SOUTHERN BRITTANY, CHAUSEY ISLANDS, LES MINQUIERS, LES ECREHOUS...XI. DISCUSSION AND SUMMARY. XII. CORRELATION OF GRANITE MASSES BY THEIR HEAVY MINERAL SUITES. I. INTRODUCTION...area studied includes the majority of the main granite -*- masses north of the belt of Ordovician and...FROM JAMAICA. [To face p. 218. The Granites of Brittany and Normandy. 219 of the C6tes-du-Nord, Ule-et-Vilaine |  | | Journal (article/letter/editorial) | | Variscan granites (Central Armorican Domain, Brittany, France) Received: 10 March 1997 / Accepted: 30 November...Paleozoic hornfelses of enclaves in the Rostrenen granite. The results of a microstructurally controlled...Avenue du Général Leclerc, F-35042 Rennes Cedex, France C. Triboulet Laboratoire de Pétrologie Minéralogique...Curie, 4 place Jussieu, F-75252 Paris Cedex 05, France Key words Microstructures ⋅ Garnet micaschists...Domain of the Armorican massif (central Brittany, western France), structures and mineral assemblages of |  | | Journal (article/letter/editorial) | | Pascal, 5 rue Kessler, F-63038 Clermont-Ferrand, France (Received May 10, 1992; revised and accepted July...Clermont-Ferrand on high-grade gneisses and peraluminous granite yields an average value of 0.83 for XREEPO4. If...granites (PAG) of the Velay D f m e (Massif Central, France; Montel et al., 1991 ). These enclaves have been...REE and Zr. As a general rule, it appears that a granite can be considered to be saturated in REE (or Zr)...under fluid-rich conditions (Le Fort et al., 1987; France-Lanord and Le Fort, 1988 ). An aplite in the Manaslu |  | | Journal (article/letter/editorial) | | crystals found in the zone of contact between the granite and the serpentine of 5. Ambrogio. Analysis gave...2A1(OH),,H,O]. Dark brown plumbogummite from Huelgoat, Brittany, gave the renults under 111 and IV j about...be a definite mineral, and plumbogummite (from Huelgoat) to be a L. J. S. mixture of hitchcockite and...orthoclase in metamorphosed limestone in contact with granite, near Barhges, Haute-Pyr&n&es, L. J. S. |  | | Journal (article/letter/editorial) | | Universit~ de Bretagne Occidentale, Brest Cedex, France Cette note est un essai de classification des...parag~n~tiques varisques du Massif Armoricain (France). Apr~s une presentation de la structure d' ensemble...variscan paragenetic units of the Arrnorican Massif (France). After a presentation of the general structure...(Questembert, Piriac) a ~t~ observ~e. Aux ~pontes, le granite a pu subir une albitisation; les schistes sont...localit~ type est celle de Dielette. Au contact du granite de Flamanville, les calcaires dSvoniens sont transform~s |  | | 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 |  | Gaudin, Anne, Ansan, Véronique, Lorand, Jean-Pierre, Pont, Sylvain (2020) Genesis of a florencite-bearing kaolin deposit on ordovician schists at Saint-Aubin-des-Châteaux, Armorican Massif, France. Ore Geology Reviews, 120. 103445 doi:10.1016/j.oregeorev.2020.103445 | Journal (article/letter/editorial) | | schists at saintaubin-des-chateaux, armorican massif, france Anne Gaudin, Véronique Ansan, Jean-Pierre Lorand...at saint-aubin-des-chateaux, armorican massif, france, Ore Geology Reviews (2020), doi: https://doi.org/10...AT SAINT-AUBIN-DES-CHATEAUX, ARMORICAN MASSIF, FRANCE Anne Gaudina, Véronique Ansana, Jean-Pierre Loranda...2 rue de la Houssinière, BP92208, 44322 Nantes, France. b Institut de Minéralogie, de Physique des Matériaux...7590, IRD UMR 206, 61 rue Buffon, 75005 Paris, France. Keywords: Kaolinite, Al phosphate, REE, weathering |  | | Journal (article/letter/editorial) | | VIGNERESSE Universitede Nantes, F-44072 Nantes Cedex 03, France Geological data are seldom reliable enough to...employed to display the interface between the granite and its sedimentary cover. Unfortunately, impedance...granitic intrusions. KEY WORDS Geophysics Gravity Granite Pluton shape 1. INTRODUCTION The emplacement...determine the internal post-magmatic structure of granite massifs but can hardly solve problems related to...evidence relevant to the 'room problem' in the granite controversy (Bott 1955; Dott and Simpson 1967) |  | Gloaguen, Eric, Branquet, Yannick, Boulvais, Philippe, Moëlo, Yves, Chauvel, Jean-Jacques, Chiappero, Pierre-Jacques, Marcoux, Eric (2007) Palaeozoic oolitic ironstone of the French Armorican Massif: a chemical and structural trap for orogenic base metal–As–Sb–Au mineralisation during Hercynian strike-slip deformation. Mineralium Deposita, 42 (4) 399-422 doi:10.1007/s00126-006-0120-4 | Journal (article/letter/editorial) | | eaux quarry (Armorican Hercynian belt, western France), an epigenetic hydrothermal alteration affects...de Saint Amand, BP 6759, 45067 Orleans Cedex 2, France e-mail: e.gloaguen@brgm.fr P. Boulvais : J.-J....CNRS/Université de Rennes 1, 35042 Rennes Cedex, France Y. Moëlo Laboratoire de Chimie du Solide, Institut...la Houssinière, BP 32229, 44322 Nantes Cedex 3, France P.-J. Chiappero Département Histoire de la Terre...d’Histoire Naturelle, 61 rue Buffon, 75005 Paris, France Present address: E. Gloaguen BRGM, 3, avenue Claude-Guillemin |  | | Journal (article/letter/editorial) | | Nantes C6dex, France Laboratoire de P6trologie, U.S.T.L., F-34060 Montpellier C~dex, France In a recent...Travers-M6trich 1976 (Table 7), same rock as 5 & 10. 13 From granite, (Conqu6r6 1963 - an. no 1, p. 95). Minerals from...Donn6es pr61iminaires sur la cordi~rite du massif du Huelgoat. 88e Congr6s Soc Savantes, pp 327-336 Conqu6r6...Conqu6r6 F (1969) Le Massif granitique du Huelgoat (Nord Finist6re). Mem Mus Natl Hist Nat, s+rie C Sciences...Min~ralogie de la France T 1, A Blanchard ~d Le Maitre RW (1974) Partially fused granite blocks from Mt |  | | Journal (article/letter/editorial) | | western and Mandeliue-La market until the Napoule (France) Quartz pseudomorph after beta quartz. Near Luesma...specimens from the Chessy mine in Rhone department (France) have been known for a long time, probably since...Malachite pseudomorph after cuprite. 2 cm. Chessy, France. C. Gonzalez coll. Joaquim Callen photos. Malachite...Caldbeck, Cumberland (Great Britain) and Huelgoat, in Brittany (France). In Spain these pseudomorphs have been...Himmelsfürst mine, also in Saxony, the Huelgoat mine in Brittany (France), and the Wheal Amphibole pseudomorphs |  | | Book | | stalactiforme et rubanée sont en Oural et au Katanga. En France, hormis la célèbre mine de Chessy (localité-type...agrégat d’un ou de plusieurs minéraux. Ainsi, un granite est essentiellement composé de cristaux visibles...rouge). Exemples de fluorescences : en haut, granite à autunite (St. Symphorien de Marmagne, Saône-et-Loire)...Macle en croix droite de la staurolite (Coray, Finistère) Exemples de macles réelles © Dunod. Toute reproduction...sont aussi appelées « semi-précieuses », sauf en France où cette désignation est interdite depuis 2002 |  | | Journal (issue) | | 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...le même déclin de leur industrie extractive, en France comme dans de nombreux pays, face à la production...Saint-Renan dans le Finistère (voir figure 8) en 1975 et bien après la "période Villeder", la France ne possède...dépendants du marché et des importations. En 1985, la France importait déjà 50% de produits dérivés (ferrotungstène) |  | Ballouard, C., Poujol, M., Mercadier, J., Deloule, E., Boulvais, P., Baele, J. M., Cuney, M., Cathelineau, M. (2018) Uranium metallogenesis of the peraluminous leucogranite from the Pontivy-Rostrenen magmatic complex (French Armorican Variscan belt): the result of long-term oxidized hydrothermal alteration during strike-slip deformation. Mineralium Deposita, 53 (5) 601-628 doi:10.1007/s00126-017-0761-5 | Journal (article/letter/editorial) | | OSUR, Université Rennes 1, 35042 Rennes Cedex, France 2 Department of Geology, University of Johannesburg...Vandoeuvre-lès-Nancy, France 4 CRPG, UMR 7358 CNRS, Université de Lorraine, BP20, 54501 Vandoeuvre Cedex, France 5 ...and the north-western part of the Massif Central (France; Cathelineau et al. 1990; Cuney et al. 1990; Gébelin...Gébelin et al. 2009) (Fig. 1). The Armorican Massif (France) in the EVB (Figs. 1 and 2) represents a historical...(peraluminous) né es Bt + Ms granite (peraluminous) A type granite U U U Uranium deposits U Large |  | | Journal (article/letter/editorial) | | Granodiorite iiber, wiihrend im Gebiete der Hau&xhebung Granite weitaus vorherrschen. In verschiedenen Fsllen...Diorite, in den h6hern Partien Granodiorite und Granite. Auf Grund dieser Feststellungen kann angenommen...unterschiedenwerden. Im nordlichen Teil des Massivs dominieren Granite (granites banatiques). ‘Den Hauptteil bilden Granodiorite...Umwandlung von Tonschiefern am Kontakt des Granits von Huelgoat (Bretagne, Frankreich). Die Resultate sind in...einfach wie bei den Beispielen von Barr-Andlau und Huelgoat eind die Verhiiltnisse bei einer weiteren Untersuchungsreihe |  | | Journal (article/letter/editorial) | | folded Palzeozoic rocks continuous with those of Brittany, and forming part of the Armorican massif. In...VII.-Monoc!ine of la Foret-Aunai (margining the granite on the N.) VIII.-Zone of the Bocage, IX.-Monocline...rocks, the fold-axes being frequently occupied by granite, in the neighbourhood of which the phyllites of...massifs : 1. The Vir e g ran i t e is a biotite granite of very uniform composition, of medium texture...veins the granite becomes pegmatitic and carries tourmaline (Vire). Occasionally the granite makes contact |  | | Journal (article/letter/editorial) | | of Annorica and central Europe. The different granite phases within the composite plutons and the various...The age of formation (crystallisation) of the granite batholith, and (ii) the possibility of measurably...measurably different ages for the individual granite bosses according to their position along their WSW-ENE...phases of intrusion within a single composite granite occurred, extending on through periods of aplitic...The use of the age of intrusion of the Dartmoor granite as a critical point in establishing the Carboniferous-Permian |
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