 | 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...obtained on phengite from the HP/LT rocks from the Ile de Groix (Armorican Massif, France), which represents |  | | Journal (issue) | | BOGNY-SUR-MEUSE (08). Cosec. Beurs (M-F). CREMIEU (38). Salle des sports et loisirs. Beurs. GÖTEBORG. Frölundaborg...11-17 h. Beurs (M-E-J). CHAMPAGNOLE (39). Salle des Fêtes, Place Camille Prost. Beurs. BOLZANO. Messehalle... 10-18/10-17 h. Beurs. NEUCHATEL. Polyexpo, rue des Crétêts 149. 10-18/10-17 h. Beurs (M-F). ULM. Donauhalle...Beurs (E). BLAGNAC (31). Salle polyvalente du chemin des Ramiers. Beurs (M-F). MONTCEAU-LES-MINES (71). Centre...Naturelle (Paris). Loodmineralen, door Multi Axes France, met wulfeniet, crocoiet, recent ontgonnen galeniet |  | | Journal (article/letter/editorial) | | collected from three outcrops on Ile de Groix (Morbihan) France, each being not more than one kilometer...experimental work was ~hat the St+4 content of the phengite micas is directly related to their physical conditions...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...the late metamorphic history which produced the phengite micas. The samples were collected in and around |  | | 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) | | 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) | | 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 |  | | 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...composition of the glaucophane schists of Ile de Groix is given i n T a b l e 1. N i n e t y - s e v e...composition of the glaucophane schists of Ile de Groix Phengite Quartz Chloritoid Plagioclase Chlorite Glaucophane...schists a n d a s s o c i a t e d rocks of I l e de Groix h a v e been r a t h e r few. B a r r o i s (1884) |
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