Search Results - "Schönbächler, M"

Accretion of the Earth—Missing Components? by Mezger, K., Schönbächler, M., Bouvier, A.

“…Primitive meteorites preserve the chemical and isotopic composition of the first aggregates that formed from dust and gas in the solar nebula during the…”
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Dry late accretion inferred from Venus’s coupled atmosphere and internal evolution by Gillmann, C., Golabek, G. J., Raymond, S. N., Schönbächler, M., Tackley, P. J., Dehant, V., Debaille, V.

“…It remains contentious whether the meteoritic material delivered to the terrestrial planets after the end of core formation was rich or poor in water and other…”
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Heterogeneous Accretion and the Moderately Volatile Element Budget of Earth by Schönbächler, M, Carlson, R.W, Horan, M.F, Mock, T.D, Hauri, E.H

“…Several models exist to describe the growth and evolution of Earth; however, variables such as the type of precursor materials, extent of mixing, and material…”
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ZIRCONIUM—HAFNIUM ISOTOPE EVIDENCE FROM METEORITES FOR THE DECOUPLED SYNTHESIS OF LIGHT AND HEAVY NEUTRON-RICH NUCLEI by Akram, W, Schonbachler, M, Sprung, P, Vogel, N

“…Recent work based on analyses of meteorite and terrestrial whole-rock samples showed that the r- and s- process isotopes of Hf were homogeneously distributed…”
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Palladium–silver chronology of IAB iron meteorites by Theis, K.J., Schönbächler, M., Benedix, G.K., Rehkämper, M., Andreasen, R., Davies, C.

“…The extinct 107Pd–107Ag decay system (half-life ∼6.5Ma) is a useful chronometer to constrain the thermal evolution of the IAB parent body. To this end, Pd/Ag…”
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Unlocking the zinc isotope systematics of iron meteorites by Bridgestock, L.J., Williams, H., Rehkämper, M., Larner, F., Giscard, M.D., Hammond, S., Coles, B., Andreasen, R., Wood, B.J., Theis, K.J., Smith, C.L., Benedix, G.K., Schönbächler, M.

“…Zinc isotope compositions (δ66Zn) and concentrations were determined for metal samples of 15 iron meteorites across groups IAB, IIAB, and IIIAB. Also analyzed…”
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Zirconium isotope constraints on the composition of Theia and current Moon-forming theories by Akram, W., Schönbächler, M.

“…The giant impact theory is the most widely recognized formation scenario of the Earth's Moon. Giant impact models based on dynamical simulations predict that…”
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Ag isotopic and chalcophile element evolution of the terrestrial and martian mantles during accretion: New constraints from Bi and Ag metal-silicate partitioning by Righter, K., Schönbächler, M., Pando, K., Rowland, R., Righter, M., Lapen, T.

“…The Earth's timing of accretion and acquisition of moderately volatile compounds is uncertain. Hafnium-W and Mn-Cr isotopic data can bracket the timing of…”
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Simultaneous Ultratrace Determination of Zr and Nb in Chromium Matrixes with ICP-Dynamic Reaction Cell MS by Hattendorf, Bodo, Günther, Detlef, Schönbächler, Maria, Halliday, Alex

“…A dynamic reaction cell (DRC) has been used to minimize the formation of metal−argide ions in inductively coupled plasma mass spectrometry and applied to the…”
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The thallium isotope composition of carbonaceous chondrites — New evidence for live 205Pb in the early solar system by Baker, R.G.A., Schönbächler, M., Rehkämper, M., Williams, H.M., Halliday, A.N.

“…The extinct radionuclide 205Pb, which decays to 205Tl with a half-life of 15 Ma, is of considerable cosmochemical interest, as it is the only short-lived…”
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yeast spt14 gene is homologous to the human PIG-A gene and is required for GPI anchor synthesis by Schonbachler, M, Horvath, A, Fassler, J, Riezman, H

“…The protein encoded by the yeast gene SPT14 shows high sequence similarity to the human protein, PIG-A, whose loss of activity is at the origin of the disease…”
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Zirconium isotope evidence for the heterogeneous distribution of s-process materials in the solar system by Akram, W., Schönbächler, M., Bisterzo, S., Gallino, R.

“…A growing number of elements show well-resolved nucleosynthetic isotope anomalies in bulk-rock samples of solar system materials. In order to establish the…”
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The rates of accretion, core formation and volatile loss in the early Solar System by Halliday, Alex N., Lee, Der-Chuen, Porcelli, Don, Wiechert, Uwe, Schönbächler, Maria, Rehkämper, Mark

“…W system with a half–life of 9_2 Myr also provides new and very useful constraints on the formation of the terrestrial planets. This technique allows one to…”
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Ejby—A new H5/6 ordinary chondrite fall in Copenhagen, Denmark by Haack, H., Sørensen, A. N., Bischoff, A., Patzek, M., Barrat, J.‐A., Midtskogen, S., Stempels, E., Laubenstein, M., Greenwood, R., Schmitt‐Kopplin, P., Busemann, H., Maden, C., Bauer, K., Morino, P., Schönbächler, M., Voss, P., Dahl‐Jensen, T.

“…On February 6, 2016 at 21:07:19 UT, a very bright fireball was seen over the eastern part of Denmark. The weather was cloudy over eastern Denmark, but many…”
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The primordial He budget of the Earth set by percolative core formation in planetesimals by Roth, A.S.G., Liebske, C., Maden, C., Burton, K.W., Schönbächler, M., Busemann, H.

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Sample return of primitive matter from the outer Solar System by Vernazza, P., Beck, P., Ruesch, O., Bischoff, A., Bonal, L., Brennecka, G., Brunetto, R., Busemann, H., Carter, J., Carli, C., Cartier, C., Ciarniello, M., Debaille, V., Delsanti, A., D’Hendecourt, L., Füri, E., Groussin, O., Guilbert-Lepoutre, A., Helbert, J., Hoppe, P., Jehin, E., Jorda, L., King, A., Kleine, T., Lamy, P., Lasue, J., Le Guillou, C., Leroux, H., Leya, I., Magna, T., Marrocchi, Y., Morlok, A., Mousis, O., Palomba, E., Piani, L., Quirico, E., Remusat, L., Roskosz, M., Rubin, M., Russell, S., Schönbächler, M., Thomas, N., Villeneuve, J., Vinogradoff, V., Wurz, P., Zanda, B.

“…The last thirty years of cosmochemistry and planetary science have shown that one major Solar System reservoir is vastly undersampled in the available suite of…”
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Silver isotope variations in chondrites: Volatile depletion and the initial 107Pd abundance of the solar system by Schönbächler, M., Carlson, R.W., Horan, M.F., Mock, T.D., Hauri, E.H.

“…The extinct radionuclide 107Pd decays to 107Ag (half-life of 6.5 Ma) and is an early solar system chronometer with outstanding potential to study volatile…”
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The Solar System calcium isotopic composition inferred from Ryugu samples by Moynier, F., Dai, W., Yokoyama, T., Hu, Y., Paquet, M., Abe, Y., Aléon, J., Alexander, C. M.O'D, Amari, S., Amelin, Y., Bajo, K. -I., 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., Ito, M., Itoh, S., Kawasaki, N., Kita, N. T., Kitajima, K., Kleine, T., Komatani, S., Krot, A. N., Liu, M. -C., Masuda, Y., McKeegan, K. D., Morita, M., Motomura, K., Nakai, I., Nagashima, K., Nesvorný, D., Nguyen, A., Nittler, L., 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., 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. -I., Yoshikawa, M., Tachibana, S., Yurimoto, H.

“…The Hayabusa2 spacecraft has returned samples from the Cb-type asteroid (162173) Ryugu to Earth. Previous petrological and chemical analyses support a close…”
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Ag isotopic and chalcophile element evolution of the terrestrial and martian mantles during accretion: new constraints from Bi, Pd, and Ag metal-silicate partitioning by Righter, K, Schonbachler, M, Pando, K, R Rowland, II, Righter, M, Lapen, T

“…The Earth’s timing of accretion and acquisition of moderately volatile compounds is uncertain. Hafnium-W and Mn-Cr isotopic data can bracket the timing of…”
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Titanium isotopes and the radial heterogeneity of the solar system by Leya, Ingo, Schönbächler, Maria, Wiechert, Uwe, Krähenbühl, Urs, Halliday, Alex N.

“…The solar system is assumed to be uniform on a large scale in terms of the isotope composition of refractory elements. Here we show that the titanium (Ti)…”
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