 | 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 |  | | Journal (article/letter/editorial) | | facies rocks from the ile de Groix, Armorican Massif (northwest France) J. BERNARD-GRIFFITHS, M.S.N....Structurale des Socles, CNRS LITHOS Universitd de Rennes 1, 35042 Rennes C~dex (France} Bernard-Griffiths...blueschist facies rocks from the he de Groix, Armorican Massif (northwest France). In: W.L. Griffin (Editor), Second...Sampling includes the main rock types exposed on Groix, concentrating on those metabasic rocks with least...alkali-basalt debris. The volcanicsedimentary assemblage on Groix is suggestive of ocean-island magmatic activity |  | | Journal (article/letter/editorial) | | collected from three outcrops on Ile de Groix (Morbihan) France, each being not more than one kilometer...and petrology of the Ile de Groix and the neighbouring coastal area of France has been examined most recently...the Southern Britany coast. The geology of Ile de Groix itself is complex in structural, metamorphic and...particular outcrops studied (at Pointe de Surville and Pointe des Chats and the harbour of Locmaria) were...meters in outcrop extent) which was also on Pointe des Chats. This is near the unit ~1 of C o G ~ (1960 |  | | Journal (article/letter/editorial) | | Deerite from Ile de Groix, Brittany, France K. DUDE~ Academy of Mining and Metallurgy, Institute of Geology... Curie, 4 place Jussieu, 75252 Paris Cedex 05, France Abstract Deerite has been found in layers of Fe-rich...described in the literature show that the Ile de Groix deerites most closely resemble the Mn-poor, alpine...Sifnos deerites. The P - T conditions of the Ile de Groix metamorphism do not conform with the stability field...metamorphism. KEYWORDS: deerite, metamorphism, Brittany, France Introduction THE hydrous iron-rich silicate |  | | Journal (article/letter/editorial) | | Schists and Associated Rocks from Ile de Groix, Brittany, France A.A. M a k a n j u o l a * a n d R.A. Howie...were obtained from the metamorphic rocks of lie de Groix, and their chemical, physical, optical and X-ray... The epidotes belong to the A1-Fe epidote series and are "epidote" sensu stricto. The almandine-rich...pyroxenes are to be explained by equilibria involving epidote at high PII,O and low temperature when the Tschermak's...Tschermak's components will break down to epidote group minerals. The sphenes contain appreciable amounts |  | | Journal (article/letter/editorial) | | a result of fluid–rock interactions (Ile de Groix, France) A. El Korh a,⁎, S.Th. Schmidt a, T. Vennemann...Department of Mineralogy, University of Geneva, Rue des Maraîchers 13, CH-1205 Geneva, Switzerland Institute...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 |  | | Book (volume) | | MINERALOGIE DE LA FRANCE ET DE SES COLONIES DESCRIPTION PHYSIQUE ET CHIMIQUE DES MINÉRAUV;’ ÉTUDE DES CONDITIONS...bibliotheek iëk RimstsusEï:^ C“', éditeurs RLE DES SAINTS-PÈRES, 15 v:;^ CEOLG;!' ceolg^ Woogi. Keflxîracht...J îî y. .r •L i INTRODUCTION La lecture des ti’aités de minéralogie les plus récents, l’étude...collections publiques tendent à faire considérer la France comme fort pauvre en minéraux. Le fait paraît étiange...longtemps que ce a recueillir tous les gie de la France. J ai visité la ai fait m a frappé et c|ue j’ai |  | | Journal (article/letter/editorial) | | τοπ Mikluclio-Maclay (in Heidelberg) : Mineralien des Listwänit (Ν. Jahrb. f. Min., Geol. etc. 1 885, 1...Auszüge. 49 aus einem Bruchstück des Tulles am linken Ufer des Rio Ohne v i e l f a c h e Zwillingsstreifung...(Ausbruch v o m Jahre 1 7 9 3 ) von T e r r e - moto des Yuleans Tungurhaghua. Porphyrisch, mit Einschlüssen... Plagioklas von ebenda; aus d e r Grundmasse des Gesteins. Spec. 2,661. 4. Si02 Al203 54,89 0...aus d e m Hypersthenandesit v o m Zusammenflusse des Rio de Alausi und Rio Chanchan, z w e i M e i l |
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