Search Results - "Mostefaoui, S."

UltraCarbonaceous Antarctic micrometeorites, probing the Solar System beyond the nitrogen snow-line by Dartois, E., Engrand, C., Brunetto, R., Duprat, J., Pino, T., Quirico, E., Remusat, L., Bardin, N., Briani, G., Mostefaoui, S., Morinaud, G., Crane, B., Szwec, N., Delauche, L., Jamme, F., Sandt, Ch, Dumas, P.

“…• We investigate UltraCarbonaceous Antarctic micrometeorites composition. • They reveal a new N-rich organic matter from the Solar System. • This exceptional…”
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Extreme Deuterium Excesses in Ultracarbonaceous Micrometeorites from Central Antarctic Snow by Duprat, J, Dobrică, E, Engrand, C, Aléon, J, Marrocchi, Y, Mostefaoui, S, Meibom, A, Leroux, H, Rouzaud, J.-N, Gounelle, M, Robert, F

“…Primitive interplanetary dust is expected to contain the earliest solar system components, including minerals and organic matter. We have recovered, from…”
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Biocorrosion detection by sulphur isotopic fractionation measurements by Grousset, S., Urios, L., Mostefaoui, S., Dauzeres, A., Crusset, D., Deydier, V., Linard, Y., Dillmann, P., Mercier-Bion, F., Neff, D.

“…•Iron sulphide are distributed at the micrometric scale in anoxic corrosion layers.•Sulphur isotopic fractionation determine the biotic/abiotic origin of iron…”
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Minor and trace element concentrations in adjacent kamacite and taenite in the Krymka chondrite by Meftah, N., Mostefaoui, S., Jambon, A., Guedda, E. H., Pont, S.

“…We report in situ NanoSIMS siderophile minor and trace element abundances in individual Fe‐Ni metal grains in the unequilibrated chondrite Krymka (LL3.2)…”
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Nitrogen-rich organics from comets probed by ultra-carbonaceous Antarctic micrometeorites by Rojas, J., Duprat, J., Dartois, E., Wu, T-D., Engrand, C., Nittler, L. R., Bardin, N., Delauche, L., Mostefaoui, S., Remusat, L., Stroud, R. M., Guérin, B.

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NanoSIMS mapping and LA-ICP-MS chemical and U–Th–Pb data in monazite from a xenolith enclosed in andesite (Central Slovakia Volcanic Field) by Didier, A., Bosse, V., Bouloton, J., Mostefaoui, S., Viala, M., Paquette, J. L., Devidal, J. L., Duhamel, R.

“…In this study, we use NanoSIMS element and isotope ratio mapping and LA-ICP-MS trace element measurements to elucidate the origins of monazites from a restitic…”
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Timescales of shock processes in chondritic and martian meteorites by Gillet, Ph, Mostefaoui, S, Beck, P, El Goresy, A

“…The accretion of the terrestrial planets from asteroid collisions and the delivery to the Earth of martian and lunar meteorites has been modelled extensively…”
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53Mn-53Cr ages of Kaidun carbonates by PETITAT, M., MARROCCHI, Y., McKEEGAN, K. D., MOSTEFAOUI, S., MEIBOM, A., ZOLENSKY, M. E., GOUNELLE, M.

“…– We report the 53Mn‐53Cr systematics of three dolomite grains from two different CI1 clasts contained within the Kaidun meteorite breccia. Three internal…”
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Toward an agent-based and context-oriented approach for Web services composition by Maamar, Z., Mostefaoui, S.K., Yahyaoui, H.

“…This paper presents an agent-based and context-oriented approach that supports the composition of Web services. A Web service is an accessible application that…”
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Mode of occurrence, textural settings and nitrogen-isotopic compositions of in situ diamonds and other carbon phases in the Bencubbin meteorite by Mostefaoui, S., El Goresy, A., Hoppe, P., Gillet, Ph, Ott, U.

“…Investigations on a polished thin section (PTS) by reflected-light microscopy, laser micro-Raman spectroscopy, and cathodoluminescence of the Bencubbin…”
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60Fe: A Heat Source for Planetary Differentiation from a Nearby Supernova Explosion by Mostefaoui, S, Lugmair, G. W, Hoppe, P

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In situ Discovery of Graphite with Interstellar Isotopic Signatures in a Chondrule-Free Clast in an L3 Chondrite by Mostefaoui, S., Hoppe, P., El Goresy, A.

“…Optical and scanning electron microscopy of a chondrule-free clast in the unequilibrated L3 chondrite Khohar revealed a spherical object consisting of an…”
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Multicomponent diffusion in sodium borosilicate glasses by Pablo, H., Schuller, S., Toplis, M.J., Gouillart, E., Mostefaoui, S., Charpentier, T., Roskosz, M.

“…Multicomponent chemical diffusion has been investigated in the SiO2-Na2O-B2O3 system for melts with an average composition (mol.%) of 68SiO2-18B2O3-14Na2O…”
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Impact of chemical diffusion on crystal growth in sodium borosilicate glasses by Pablo, H., Schuller, Sophie, Toplis, M.J., Mostefaoui, S., Mesbah, A., Roskosz, M.

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Impact of chemical diffusion on crystal growth in sodium borosilicate glasses by Pablo, H., Schuller, S., Toplis, M.J., Mostefaoui, S., Mesbah, A., Roskosz, M.

“…The link between multicomponent diffusion and crystal growth has been investigated in a sodium borosilicate glass of interest to the nuclear industry. The…”
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Discovery of Abundant In Situ Silicate and Spinel Grains from Red Giant Stars in a Primtive Meteorite by Mostefaoui, Smail, Hoppe, Peter

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Hydrogen in magnetite from asteroid Ryugu by Aléon, J., Mostefaoui, S., Bureau, H., Vangu, D., Khodja, H., Nagashima, K., Kawasaki, N., Abe, Y., Alexander, C. M. O'D., Amari, S., Amelin, Y., Bajo, K., Bizzarro, M., Bouvier, A., Carlson, R. W., Chaussidon, M., Choi, B.‐G., Dauphas, N., Davis, A. M., Di Rocco, T., Fujiya, W., Fukai, R., Gautam, I., Haba, M. K., Hibiya, Y., Hidaka, H., Homma, H., Hoppe, P., Huss, G. R., Ichida, K., Iizuka, T., Ireland, T. R., Ishikawa, A., Itoh, S., Kita, N. T., Kitajima, K., Kleine, T., Komatani, S., Krot, A. N., Liu, M.‐C., Masuda, Y., Morita, M., Motomura, K., Moynier, F., Nakai, I., Nguyen, A., Nittler, L. R., Onose, M., Pack, A., Park, C., Piani, L., Qin, L., Russell, S. S., Sakamoto, N., Schönbächler, M., Tafla, L., Tang, H., Terada, K., Terada, Y., Usui, T., Wada, S., Wadhwa, M., Walker, R. J., Yamashita, K., Yin, Q.‐Z., Yokoyama, T., Yoneda, S., Young, E. D., Yui, H., Zhang, A.‐C., Nakamura, T., Naraoka, H., Noguchi, T., Okazaki, R., Sakamoto, K., Yabuta, H., Abe, M., Miyazaki, A., Nakato, A., Nishimura, M., Okada, T., Yada, T., Yogata, K., Nakazawa, S., Saiki, T., Tanaka, S., Terui, F., Tsuda, Y., Watanabe, S., Yoshikawa, M., Tachibana, S., Yurimoto, H.

“…In order to gain insights on the conditions of aqueous alteration on asteroid Ryugu and the origin of water in the outer solar system, we developed the…”
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Nitrogen and Carbon Isotopic Composition of the Sun Inferred from a High-Temperature Solar Nebular Condensate by Meibom, Anders, Krot, Alexander N, Robert, François, Mostefaoui, Smail, Russell, Sara S, Petaev, Michael I, Gounelle, Matthieu

“…We report high-precision measurements of nitrogen and carbon isotopic compositions of a carbon-bearing titanium-nitride (osbornite) in a calcium-aluminum-rich…”
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Trace element distribution between orthopyroxene and clinopyroxene in peridotites from the Gakkel Ridge: a SIMS and NanoSIMS study by Hellebrand, Eric, Snow, Jonathan E., Mostefaoui, Smail, Hoppe, Peter

“…Clinopyroxenes (cpx) in abyssal and ophiolitic peridotites are commonly analyzed for lithophile trace element abundances in order to estimate degrees of…”
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Biological forcing controls the chemistry of reef-building coral skeleton by Meibom, Anders, Mostefaoui, Smail, Cuif, Jean-Pierre, Dauphin, Yannicke, Houlbreque, Fanny, Dunbar, Robert, Constantz, Brent

“…We present analyses of major elements C and Ca and trace elements N, S, Mg and Sr in a Porites sp. exoskeleton with a spatial resolution better than ∼150 nm…”
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