Search - Laboratoire de géologie ENS - UMR 8538 Access content directly

Filter your results

26 Results
Domains : phys.astr

Carbons in Acapulco and Lodran at the Nanoscale: Comparison with Experimental Analogs

E. Charon , J. Aléon , J.N. Rouzaud
74th Annual Meeting of the Meteoritical-Society, Aug 2011, Londres, United Kingdom. pp.A42-A42
Conference papers in2p3-00623516v1

Impact delivery of organic matter on the acapulcoite-lodranite parent-body deduced from C, N isotopes and nanostructures of carbon phases in Acapulco and Lodran

E. Charon , J. Aléon , J.-N. Rouzaud
Geochimica et Cosmochimica Acta, 2014, 142, pp.224-239. ⟨10.1016/J.GCA.2014.07.009⟩
Journal articles in2p3-01069733v1

Graphitization at low temperatures (<1600°C) in presence of iron - Planetological implications

E. Charon , J.N. Rouzaud , J. Aléon
Carbon Conference, Jul 2011, Shangai, China
Conference papers in2p3-00781846v1

Nanodiamond nucleation below 2273K at 15GPa from carbons with different structural organizations

Corentin Le Guillou , Fabrice Brunet , Tetsuo Irifune , Hiroaki Ohfuji , Jean-Noël Rouzaud
Carbon, 2007, Carbon, 45 (3), pp.636-648. ⟨10.1016/j.carbon.2006.10.005⟩
Journal articles hal-02168281v1

Géochimie isotopique et nanostructures des carbones des achondrites primitives

E. Charon , J. Aléon , J.N. Rouzaud
6e congrès de la Société Française des Isotopes Stables, 2010, Toulouse, France
Conference papers in2p3-00780360v1

L'histoire et la vie des carbones lors de la formation planétaire : le message des météorites

E. Charon , J. Aléon , J.N. Rouzeaud
Journées du Groupe Français d'Etude des Carbones, 2010, Toulouse, France
Conference papers in2p3-00780366v1

Origin of insoluble organic matter in type 1 and 2 chondrites: New clues, new questions

E. Quirico , F. R. Orthous-Daunay , P. Beck , L. Bonal , R. Brunetto , et al.
Geochimica et Cosmochimica Acta, 2014, 136, pp.80-99. ⟨10.1016/J.GCA.2014.03.025⟩
Journal articles in2p3-01057484v1

Contribution of carbon science to planetology: Example of graphite formation on differentiated asteroids

E. Charon , J.N. Rouzaud , J. Aléon
Carbon Conference, Jul 2011, Shangai, China
Conference papers in2p3-00781847v1

Graphisation in presence of iron : astronomical implications

E. Charon , J.N. Rouzaud , J. Aléon , M.-R. Ammar
Carbon Conference, Jul 2010, Clemson, United States
Conference papers in2p3-00781848v1
Image document

Energy Balance From a Mantle Pseudotachylyte, Balmuccia, Italy

Thomas Ferrand , Loïc Labrousse , Grégoire Eloy , Olivier Fabbri , Nadege Hilairet , et al.
Journal of Geophysical Research : Solid Earth, 2018, Journal of Geophysical Research. Solid Earth, 162 (5), pp.406. ⟨10.1002/2017JB014795⟩
Journal articles hal-02331405v1

Oxygen Isotopes in the Ultra-Refractory CAI Efremovka 101.1 and the Solar Nebula

J. Aléon , K. D. Mckeegan , A. El Goresy , E. Charon
73rd Annual Meeting of the Meteoritical Society, Jul 2010, New York, United States. pp.5185
Conference papers in2p3-00673773v1

Transmission Electron Microscopy of Ultracarbonaceous Antarctic Micrometeorites of Possible Cometary Origin

E. Dobrică , C. Engrand , H. Leroux , J. N. Rouzaud , J. Duprat
40th Lunar and Planetary Science Conference, (Lunar and Planetary Science XL), Mar 2009, The Woodlands, United States. pp.1534
Conference papers in2p3-00672556v1

Pre-Accretion Heterogeneity of Organic Matter in Types 1 and 2 Chondrites

E. Quirico , F. R. Orthous-Daunay , P. Beck , L. Bonal , G. Briani , et al.
42nd Lunar and Planetary Science Conference, Mar 2011, The woodlands, pp.2372
Conference papers in2p3-00673710v1

Multiscale organization and isotopic composition of carbons in acapulco and lodran as fingerprints of their parent body story

E. Charon , J. Aleon , J. N. Rouzaud
75th Annual Meeting of the Meteoritical-Society, 2012, Cairns, Australia
Conference papers in2p3-00737874v1
Image document

Experimental evidence for wall-rock pulverization during dynamic rupture at ultra-high pressure conditions

Sarah Incel , Alexandre Schubnel , Jörg Renner , Timm John , Loïc Labrousse , et al.
Earth and Planetary Science Letters, 2019, pp.115832. ⟨10.1016/j.epsl.2019.115832⟩
Journal articles hal-02319107v1

Origine des excès extrêmes de 17O et 18O dans la météorite de Murchison : Minéralogie et composition isotopique de Si, Mg, C, N, S, Cl et H.

J. Aléon , J. Duprat , F. Robert , A. Aléon-Toppani , J.-N. Rouzaud , et al.
6e congrès de la Société Française des Isotopes Stables, 2010, Toulouse, France
Conference papers in2p3-00780363v1

Ultracarbonaceous Antarctic Micrometeorites (UCAMMs)

E. Dobrica , C. Engrand , H. Leroux , E. Qurico , J. Duprat , et al.
Stardust Meeting, Feb 2011, Timber Cove, United States
Conference papers in2p3-00945845v1

Géochimie isotopique et nanostructures des carbones des achondrites primitives

E. Charon , J. Aléon
Colloque quadriennal de bilan et prospective du Programme National de Planétologie, Sep 2010, Brest, France
Conference papers in2p3-00780353v1

Transmission Electron Microscopy of CONCORDIA UltraCarbonaceous Antarctic MicroMeteorites (UCAMMs): Mineralogical properties

E. Dobrică , C. Engrand , H. Leroux , J.-N. Rouzaud , J. Duprat
Geochimica et Cosmochimica Acta, 2012, 76, pp.68-82. ⟨10.1016/j.gca.2011.10.025⟩
Journal articles istex in2p3-00642627v1

Connection between micrometeorites and Wild 2 particles: From Antarctic snow to cometary ices

E. Dobrica , C. Engrand , J. Duprat , M. Gounelle , H. Leroux , et al.
Meteoritics and Planetary Science, 2009, 44 (10), pp.1643-1661. ⟨10.1111/j.1945-5100.2009.tb01196.x⟩
Journal articles istex insu-00367898v1

Regolith breccia Northwest Africa 7533: Mineralogy and petrology with implications for early Mars

Roger Hewins , Brigitte Zanda , Munir Humayun , Alexander Nemchin , Jean-Pierre Lorand , et al.
Meteoritics and Planetary Science, 2017, 52 (1), pp.89-124. ⟨10.1111/maps.12740⟩
Journal articles hal-02262480v1

Early History of Acapulco and Lodran Constrained by the Nanostructure and C, N Isotopic Composition of Their Carbons

E. Charon , J. Aléon , J. N. Rouzaud
43rd Lunar and Planetary Science Conference, Mar 2012, The Woodlands, United States. pp.2734
Conference papers in2p3-00673747v1

On a reliable structural characterization of polished carbons in meteorites by Raman microspectroscopy

M.-R. Ammar , J.-N. Rouzaud , E. Charon , J. Aleon , G. Guimbretière , et al.
Corals 2011 Conference on Micro-Raman and Luminescence in Earth and Space Sciences, May 2011, Madrid, Spain
Conference papers in2p3-00780093v1

Combined MicroRaman and C- N- Isotopic Study of Disordered Carbons in Acapulcoites - Lodranites

E. Charon , J. Aléon , J. N. Rouzaud
72nd Annual Meeting of the Meteoritical Society, Jul 2009, Nancy, France
Conference papers in2p3-00673800v1

Determination of Carbon Origin in Acapulco and Lodran by HRTEM and C, N Isotopes

E. Charon , J. Aléon , J. N. Rouzaud
73rd Annual Meeting of the Meteoritical Society, 2010, New York, United States. pp.5277
Conference papers in2p3-00673768v1

Extreme Deuterium Excesses in Ultracarbonaceous Micrometeorites from Central Antarctic Snow

J. Duprat , E. Dobrica , C. Engrand , J. Aleon , Y. Marrocchi , et al.
Science, 2010, 328, pp.742-745. ⟨10.1126/science.1184832⟩
Journal articles in2p3-00610349v1