Search Results - "Rolland, Yann"

Jurassic back-arc and Cretaceous hot-spot series In the Armenian ophiolites — Implications for the obduction process by Rolland, Yann, Galoyan, Ghazar, Bosch, Delphine, Sosson, Marc, Corsini, Michel, Fornari, Michel, Verati, Chrystèle

“…The identification of a large OIB-type volcanic sequence on top of an obducted nappe in the Lesser Caucaus of Armenia helps us explain the obduction processes…”
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Role of mantle indentation in collisional deformation evidenced by deep geophysical imaging of Western Alps by Schwartz, Stéphane, Rolland, Yann, Nouibat, Ahmed, Boschetti, Louise, Bienveignant, Dorian, Dumont, Thierry, Mathey, Marguerite, Sue, Christian, Mouthereau, Frédéric

“…Abstract In collision belts, the first-order role of the mantle in localizing deformation has remained elusive, as the resolution of geophysical imaging…”
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Blueschists of the Amassia-Stepanavan Suture Zone (Armenia): linking Tethys subduction history from E-Turkey to W-Iran by Rolland, Yann, Billo, Sandra, Corsini, Michel, Sosson, Marc, Galoyan, Ghazar

“…The Amassia–Stepanavan blueschist-ophiolite complex of the Lesser Caucasus in NW Armenia is part of an Upper Cretaceous-Cenozoic belt, which presents similar…”
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Bridging the Gap between Long–Term Orogenic Evolution (>10 Ma Scale) and Geomorphological Processes That Shape the Western Alps: Insights from Combined Dating Approaches by Rolland, Yann, Bilau, Antonin, Cardinal, Thibaut, Nouibat, Ahmed, Bienveignant, Dorian, Boschetti, Louise, Schwartz, Stéphane, Bernet, Matthias

“…Constraining the relative roles of erosion and tectonics in the evolution of mountain belts is a challenging scientific goal. In this review article on the…”
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Quantified sensitivity of small lake sediments to record historic earthquakes: Implications for paleoseismology by Wilhelm, Bruno, Nomade, Jerome, Crouzet, Christian, Litty, Camille, Sabatier, Pierre, Belle, Simon, Rolland, Yann, Revel, Marie, Courboulex, Françoise, Arnaud, Fabien, Anselmetti, Flavio S.

“…Seismic hazard assessment is a critical but challenging issue for modern societies. A key parameter to be estimated is the recurrence interval of damaging…”
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21,000 Years of Ethiopian African monsoon variability recorded in sediments of the western Nile deep-sea fan by Revel, Marie, Colin, Christophe, Bernasconi, Stefano, Combourieu-Nebout, Nathalie, Ducassou, Emmanuelle, Grousset, Francis E, Rolland, Yann, Migeon, Sebastien, Bosch, Delphine, Brunet, Pierre, Zhao, Yulong, Mascle, Jean

“…The Nile delta sedimentation constitutes a continuous high-resolution record of Ethiopian African monsoon (EAM) regime intensity. Multi-proxy analyses…”
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Linking the NE Anatolian and Lesser Caucasus ophiolites: evidence for large-scale obduction of oceanic crust and implications for the formation of the Lesser Caucasus-Pontides Arc by Hässig, Marc, Rolland, Yann, Sosson, Marc, Galoyan, Ghazar, Sahakyan, Lilit, Topuz, Gültekin, Çelik, Ömer Faruk, Avagyan, Ara, Müller, Carla

“…In the Lesser Caucasus and NE Anatolia, three domains are distinguished from south to north: (1) Gondwanian-derived continental terranes represented by the…”
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Geology, geochemistry and 40Ar/ 39Ar dating of Sevan ophiolites (Lesser Caucasus, Armenia): Evidence for Jurassic Back-arc opening and hot spot event between the South Armenian Block and Eurasia by Galoyan, Ghazar, Rolland, Yann, Sosson, Marc, Corsini, Michel, Billo, Sandra, Verati, Chrystelle, Melkonyan, Rafael

“…In the Lesser Caucausus the Sevan-Akera ophiolites of N Armenia have lithological features of a slow-spreading oceanic lithosphere: serpentinites are…”
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The Late Neoproterozoic/Early Palaeozoic evolution of the West Congo Belt of NW Angola: geochronological (U-Pb and Ar-Ar) and petrostructural constraints by Monié, Patrick, Bosch, Delphine, Bruguier, Olivier, Vauchez, Alain, Rolland, Yann, Nsungani, Pedro, Buta Neto, André

“…Terra Nova, 24, 238–247, 2012 U‐Pb zircon and Ar‐Ar amphibole and biotite ages from rocks of the West Congo Belt of Angola indicate that this area underwent…”
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Rare earth and trace element mobility in mid-crustal shear zones: insights from the Mont Blanc Massif (Western Alps) by Rolland, Yann, Cox, Stephen, Boullier, Anne-Marie, Pennacchioni, Giorgio, Mancktelow, Neil

“…The behaviour of rare earth elements (REE) during fluid–rock interaction in mid-crustal shear zones has received little attention, despite their potential for…”
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The cretaceous Ladakh arc of NW himalaya—slab melting and melt–mantle interaction during fast northward drift of Indian Plate by Rolland, Yann, Picard, Christian, Pecher, Arnaud, Lapierre, Henriette, Bosch, Delphine, Keller, Francine

“…The Kohistan–Ladakh Terrane in the NW Himalaya is a remnant of a Cretaceous arc sequence obducted onto the Indian margin. This paper presents a geochemical…”
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Pliocene to Quaternary deformation in the Var Basin (Nice, SE France) and its interpretation in terms of “slow-active” faulting by Bauve, Victorien, Rolland, Yann, Sanchez, Guillaume, Giannerini, Gérard, Schreiber, Dimitri, Corsini, Michel, Perez, Jean-Louis, Romagny, Adrien

“…Seismic hazard assessment of active faults in slow orogenic domains is a challenging issue. In this paper we present a multi-disciplinary approach based on a…”
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Neogene to Quaternary stress field evolution in Lesser Caucasus and adjacent regions using fault kinematics analysis and volcanic cluster data by Avagyan, Ara, Sosson, Marc, Philip, Herve, Karakhanian, Arkadi, Rolland, Yann, Melkonyan, Rafael, Rebaï, Samira, Davtyan, Vahan

“…In the Great Caucasus, the Lesser Caucasus and Eastern Turkey, the distribution of Neogene to Quaternary volcanic cluster geometries, paleo-stress field data…”
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Fluids in crustal deformation: Fluid flow, fluid-rock interactions, rheology, melting and resources by Lacombe, Olivier, Rolland, Yann

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Eocene high-K magmatic flare-up in a context of south dipping subduction and strike-slip tectonics: Insights from the Talysh Massif, NW Iran by Shiva, Alizadeh Noudeh, Yann, Rolland, Magali, Rossi, Olivier, Bruguier, Mohammad, Rahgoshay

“…[Display omitted] •In the Talesh Massif, we document an Eocene high-K volcanic flare-up.•A trachytic ignimbrite layer is dated at 43.17 ± 0.40 Ma.•Melting of…”
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Two-stage fluid flow and element transfers in shear zones during collision burial-exhumation cycle: Insights from the Mont Blanc Crystalline Massif (Western Alps) by Rolland, Y., Rossi, M.

“…[Display omitted] •Mont Blanc Massif deformed in 2 stages: 30 Ma underthrusting, 22-11 Ma extrusion.•Four main metamorphic zones are distinguished, oriented…”
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Style of Alpine tectonic deformation in the Castellane fold-and-thrust belt (SW Alps, France): Insights from balanced cross-sections by Jourdon, Anthony, Rolland, Yann, Petit, Carole, Bellahsen, Nicolas

“…This study proposes a reappraisal of the role of the basement tectonics in the structuration of the Alpine foreland, across the Castellane fold-and-thrust belt…”
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The Tertiary structuration of the Western Subalpine foreland deciphered by calcite-filled faults and veins by Bilau, Antonin, Bienveignant, Dorian, Rolland, Yann, Schwartz, Stéphane, Godeau, Nicolas, Guihou, Abel, Deschamps, Pierre, Mangenot, Xavier, Brigaud, Benjamin, Boschetti, Louise, Dumont, Thierry

“…The age of brittle deformation in the superficial part of orogens is generally constrained by relative, cross-cutting structural relationships. However, it…”
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Stable isotope and Ar-Ar evidence of prolonged multi-scale fluid flow during exhumation of orogenic crust: example from the Mont Blanc and Aar massifs (NW Alps) by Rossi, Magali, Rolland, Yann

“…The spatial and temporal scales and the geometry of fluid pathways in a collisional orogen are investigated using stable isotope analysis (O, C, H) and…”
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Shaping the crustal structure of the SW-Alpine Foreland: Insights from 3D Geological modeling by Bienveignant, Dorian, Nouibat, Ahmed, Sue, Christian, Rolland, Yann, Schwartz, Stéphane, Bernet, Matthias, Dumont, Thierry, Nomade, Jérôme, Caritg, Séverine, Walpersdorf, Andrea

“…Reactivation processes play a significative role in the localization of deformation but still remain hard to establish at the lithospheric scale. In this work,…”
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