Search Results - "Cottin, J. Y."

Molecular hydrogen in minerals as a clue to interpret ∂D variations in the mantle by Moine, B. N., Bolfan-Casanova, N., Radu, I. B., Ionov, D. A., Costin, G., Korsakov, A. V., Golovin, A. V., Oleinikov, O. B., Deloule, E., Cottin, J. Y.

“…Trace amounts of water dissolved in minerals affect density, viscosity and melting behaviour of the Earth’s mantle and play an important role in global…”
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Trace Element Residence and Partitioning in Mantle Xenoliths Metasomatized by Highly Alkaline, Silicate- and Carbonate-rich Melts (Kerguelen Islands, Indian Ocean) by GRÉGOIRE, M., MOINE, B. N., O’REILLY, SUZANNE Y., COTTIN, J. Y., GIRET, A.

“…Mantle xenoliths in alkaline lavas of the Kerguelen Islands consist of: (1) protogranular, Cr-diopside-bearing harzburgite; (2) poikilitic, Mg-augite-bearing…”
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Armalcolite-bearing, Ti-rich metasomatic assemblages in harzburgitic xenoliths from the Kerguelen Islands: implications for the oceanic mantle budget of high-field strength elements by Grégoire, M., Lorand, J.P., O’Reilly, S.Y., Cottin, J.Y.

“…Some mantle clinopyroxene- and spinel- harzburgite xenoliths from the Kerguelen Islands contain an unusual metasomatic mineral association consisting of…”
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High Field Strength Element Fractionation in the Upper Mantle: Evidence from Amphibole-Rich Composite Mantle Xenoliths from the Kerguelen Islands (Indian Ocean) by MOINE, B. N., GRÉGOIRE, M., O’REILLY, S. Y., SHEPPARD, S. M. F., COTTIN, J. Y.

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Open-system processes in the genesis of silica-oversaturated alkaline rocks of the Rallier-du-Baty Peninsula, Kerguelen Archipelago (Indian Ocean) by Gagnevin, D, Ethien, R, Bonin, B, Moine, B, Féraud, G, Gerbe, M.C, Cottin, J.Y, Michon, G, Tourpin, S, Mamias, G, Perrache, C, Giret, A

“…The Rallier-du-Baty Peninsula forms the southwestern part of the Kerguelen Archipelago (Indian Ocean), whose magmatic activity is related to the long-lived…”
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Oceanic mafic granulite xenoliths from the Kerguelen archipelago by Gregoire, M, Mattielli, N, Nicollet, C, Cottin, J. Y, Leyrit, H, Weis, D, Shimizu, N, Giret, A

“…Mafic granulite xenoliths have been recovered from Kerguelen Island, which is located at the northern end of the second largest oceanic plateau, the Kerguelen…”
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Evolution of Heterogeneous Lithospheric Mantle in a Plume Environment Beneath the Kerguelen Archipelago by Mattielli, N, Weis, D, Scoates, J S, Shimizu, N, J.-P. MENNESSIER, J.-Y. COTTIN, GIRET, A

“…A combined petrographic, geochemical and Sr-Nd-Pb isotopic investigation of peridotite xenoliths from the Kerguelen Archipelago (southern Indian Ocean)…”
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The lithospheric mantle beneath the Kerguelen Islands (Indian Ocean): petrological and petrophysical characteristics of mantle mafic rock types and correlation with seismic profiles by Grégoire, M., Jackson, I., O'Reilly, S., Cottin, J.

“…Deep-seated meta-igneous xenoliths brought to the surface by alkali basaltic magmas from the Kerguelen Islands reveal that basaltic magmas have intruded the…”
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A multi-technique study of platinum group element systematic in some Ligurian ophiolitic peridotites, Italy by Luguet, Ambre, Lorand, Jean-Pierre, Alard, Olivier, Cottin, Jean-Yves

“…Fe–Ni–Cu sulfide mineralogy has been investigated along with bulk-rock and in-situ PGE analyses by ICP MS and LA-ICP-MS in eight lherzolites from the Internal…”
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Platinum-group elements and the multistage metasomatic history of Kerguelen lithospheric mantle (South Indian Ocean) by Lorand, Jean-Pierre, Delpech, Guillaume, Grégoire, Michel, Moine, Bertrand, O'Reilly, Suzanne Y, Cottin, Jean-Yves

“…Chalcophile and highly siderophile trace elements in Kerguelen mantle xenoliths monitor a multistage melt-depletion/metasomatic history in the lithospheric…”
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Carbonatite melt in oceanic upper mantle beneath the Kerguelen Archipelago by Moine, B.N., Grégoire, M., O'Reilly, Suzanne Y., Delpech, G., Sheppard, S.M.F., Lorand, J.P., Renac, C., Giret, A., Cottin, J.Y.

“…Some mantle-derived Kerguelen harzburgite and dunite xenoliths have bulk-rock and mineral trace element compositions that provide evidence of carbonatitic…”
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Na- Ti- Zr- H2O-rich mineral inclusions indicating postcumulus chrome-spinel dissolution and recrystallization in the Western Laouni mafic intrusion, Algeria by LORAND, J. P, COTTIN, J. Y

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Feldspar from carbonate-rich silicate metasomatism in the shallow oceanic mantle under Kerguelen Islands (South Indian Ocean) by Delpech, G., Grégoire, M., O'Reilly, Suzanne Y., Cottin, J.Y., Moine, B., Michon, G., Giret, A.

“…Some highly depleted harzburgitic mantle xenoliths from two different localities in the Kerguelen Islands display a secondary mineral assemblage unusual for…”
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Zoisite in cratonic eclogite xenoliths - Implications for water in the upper mantle by Radu, I.B., Moine, B.N., Bolfan-Casanova, N., Ionov, D.A., Devidal, J.L., Deloule, E., Korsakov, A.V., Golovin, A.V., Oleinikov, O.B., Cottin, J.Y.

“…A significant portion of the Earth's water is found at trace levels in nominally anhydrous rock forming minerals in the crust and mantle. Its distribution has…”
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Volatile-bearing ultramafic to mafic xenoliths from the Kerguelen archipelago (southern Indian ocean): evidence for carbonatites in the mantle by Moine, B., Gregoire, M., Cottin, J.-Y., Sheppard, S.M.F., O'Reilly, S.Y., Giret, A.

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Isotopic (O, Sr, Nd) and trace element geochemistry of the Laouni layered intrusions (Pan-African belt, Hoggar, Algeria): evidence for post-collisional continental tholeiitic magmas variably contaminated by continental crust by Cottin, J.Y., Lorand, J.P., Agrinier, P., Bodinier, J.L., Liégeois, J.P.

“…The three layered intrusions studied in the Laouni area have been emplaced within syn-kinematic Pan-African granites and older metamorphic rocks. They have…”
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Kerguelen basic and ultrabasic xenoliths: Evidence for long-lived Kerguelen hotspot activity by Mattielli, N., Weis, D., Grégoire, M., Mennessier, J.P., Cottin, J.Y., Giret, A.

“…The xenoliths from the Southeast Province of the Kerguelen Archipelago derived from the lower crust or the upper mantle, can contribute to define the…”
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Evolution of Heterogeneous Lithospheric Mantle in a Plume Environment Beneath the Kerguelen Archipelago by Mattielli, N., Weis, D., Scoates, J. S., Shimizu, N., GréGoire, M., Mennessier, J.-P., Cottin, J.-Y., Giret, A.

“…A combined petrographic, geochemical and Sr–Nd–Pb isotopic investigation of peridotite xenoliths from the Kerguelen Archipelago (southern Indian Ocean)…”
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The meta-igneous granulite xenoliths from Kerguelen Archipelago: evidence of a continent nucleation in an oceanic setting by Grégoire, Michel, Cottin, Jean Yves, Giret, André, Mattielli, Nadine, Weis, Dominique

“…Xenoliths of meta-igneous origin occur as one of the two main types of ultramafic and mafic xenoliths entrained by alkaline lavas of the Kerguelen islands…”
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The volcano-sedimentary Boukaïs inlier (south-western Algeria): evidence for lithospheric thinning during the Late Neoproterozoic by Seddiki, Abdelmadjid, Remaci-Benaouda, Nacera, Cottin, Jean-Yves, Moine, Bertrand N., Ménot, René-Pierre, Perrache, Chantal

“…The Boukaïs inlier consists of a 2500 m thick series of sedimentary rocks intercalated with lavas of basic to intermediate composition, crosscut by late…”
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