Abstracts 2003

Washington University 

Abstracts of presentations from our group at various scientific conferences in 2003. All contributions are downloadable as PDF-files. For abstracts from other years, see the publications page.


34th Lunar and Planetary Science Conference (LPSC), Houston, March 2003

Continued study of presolar graphite from Murchison separate KFA1.
S. Amari, F. J. Stadermann, E. Zinner and R. S. Lewis

TEM study of internal crystals in supernova graphites.
T. K. Croat, T. Bernatowicz, F.J. Stadermann, S. Messenger, and S. Amari

Complementary carbon, nitrogen and oxygen isotopic imaging of interplanetary dust particles: presolar grains and an indication of a carbon isotopic anomaly.
C. Floss and F. J. Stadermann

I-Xe ages and trapped Xe compositions.
C. M. Hohenberg, O. V. Pravdivtseva, and A. P Meshik

Northwest Africa 773: lunar mare breccia with a shallow-formed olivine-cumulate component, very-low-Ti heritage, and a KREEP connection.
B. L. Jolliff, R. L. Korotev, R. A. Zeigler, C. Floss, and L. A. Haskin

Major, minor and trace elements in some glasses from the NWA 1664 howardite.
G. Kurat, M. E. Varela, E. Zinner, T. Maruoka and F. Brandstätter

Carbon isotopic heterogeneity of graphite in the San Juan mass of the Campo Del Cielo IAB iron meteorite.
T. Maruoka, G. Kurat, E. Zinner, M. E. Varela and S. J. Ametrano

Continued studies of stardust in IDPs.
S. Messenger, L. P. Keller, and R. M. Walker

Identification of presolar spinel grains from a Murray residue by multi-detection raster imaging.
A. Nguyen, E. Zinner, and R. S. Lewis

Parentless radiogenic noble gases in lunar soils: evidence for planet pollution of the Sun?
M. Ozima, Y. N. Miura, and F. A. Podosek

The I-Xe age of Orgueil magnetite: new results.
O. V. Pravdivtseva, C. M. Hohenberg, and A. P. Meshik

Relict forsterite and igneous olivine grains in Chainpur (LL3.5) chondrules: major- and trace-element evidence for vapor-fractionation and igneous partitioning.
A. Ruzicka and C. Floss

Isotopic composition of molybdenum and barium in single presolar silicon carbide grains of type a+b.
M. R. Savina, C. E. Tripa, M. J. Pellin, A. M. Davis, R. N. Clayton, R. S. Lewis, S. Amari

Titanium and oxygen isotopic compositions of sub-micrometer TiC crystals within presolar graphite.
F. J. Stadermann, T. Bernatowicz, T. K. Croat, E. Zinner, S. Messenger and S. Amari

ToF-SIMS analysis of isotopically anomalous phases in interplanetary dust and Renazzo.
T. Stephan, J. Leitner, C. Floss, and F. J. Stadermann

Transmission electron microscopy of non-etched presolar silicon carbide.
R. M. Stroud, L. R. Nittler, C. M. O'D. Alexander, T. J. Bernatowicz, and S. R. Messenger

Trace element geochemistry of new nakhlites from the Antarctic and the saharan desert: further constraints on Nakhlite petrogenesis on Mars.
M. Wadhwa and G. Crozaz

MetSoc 66, Münster

Silicon and titanium isotopic analysis of silicon carbide grains of type X and Z.
S. Amari, E. Zinner, R. Gallino, and C. S. Lewis

Winonaite petrogenesis: first results from trace element distributions.
C. Floss, S. Colton, J. Reid, G. Crozaz, B. Jolliff, and G. Benedix

Hammadah al Hamra 193: an amphibole-bearing winonaite.
C. Floss, B. Jolliff, J. Reid, and G. Benedix

Trapped Xe in dark inclusions II: new data from reduced CV3 meteorites.
C. M. Hohenberg, O. V. Pravdivtseva, and A. P. Meshik

Large plates of anorthite-olivine inter-growths in the D'Orbigny angrite.
G. Kurat, M. E. Varela, E. Zinner, and F. Brandstätter

TOF-SIMS analysis of isotopically anomalous phases in Renazzo matrix.
J. Leitner, T. Stephan, C. Floss, and F. J. Stadermann

Isotopic fractionation of fission xenon from temperature variations: implications for the operational conditions of the Oklo reactor.
A. P. Meshik, C. M. Hohenberg, and O. V. Pravdivtseva

Identification of small presolar oxide grains by multi-detection isotopic raster imaging.
A. Nguyen, E. Zinner, and R. S. Lewis

S-process xenon in presolar silicon carbide grains and AGB models with new cross sections.
M. Pignatari, R. Gallino, R. Reifarth, F. Käppeler, S. Amari, A. M. Davis, and R. S. Lewis

I-Xe ages of the dark inclusions from the reduced CV3 chondrites Leoville, Efremovka and Vigarano.
O. V. Pravdivtseva, C. M. Hohenberg, A. P. Meshik, A. N. Krot, and A. J. Brearley

The isotopic nature of GEMS in interplanetary dust particles.
F. J. Stadermann and J. P. Bradley

Glasses in the D'Orbigny angrite.
M. E. Varela, G. Kurat, E. Zinner, and F. Brandstätter

Si isotopic measurements of small SiC and Si3N4 grains from the Indarch (EH4) meteorite.
E. Zinner, S. Amari, R. Guinness, and C. Jennings

Other

Amari S. (2003)
The origin of Ne-E(L).
Int'l. Symposium "Evolution of Solar System Materials: A New Perspective from Antarctic Meteorites", 3-4.

Amari S., Zinner E., Gallino R., and Lugaro M. (2003)
Isotopic signatures of presolar silicon carbide of type Z.
Geochim. Cosmochim. Acta 67, A14.

Amari S., Zinner E., Gallino R., and Lugaro M. (2003)
Probing the Galactic chemical evolution of Si and Ti with presolar SiC grains.
Origin of Matter and Evolution of the Galaxies 2003, submitted.

Fazio C., Gallino R., Pignatari M., Mutti P., Amari S., Lewis R. S., Davis A. M., and Käppeler F. (2003)
Isotopic composition of Kr in presolar mainstream SiC grains.
Geochim. Cosmochim. Acta 67, A91.

Savina M. R., Davis A. M., Tripa C. E., Pellin M. J., Gallino R., Lewis R. S., and Amari S. (2003)
Ruthenium isotopes in single presolar SiC grains.
Geochim. Cosmochim. Acta 67, A418.

Kurat G., Varela M. E., Zinner E., and Brandstätter F. (2003)
Do glasses in achondritic meteorites share a common source?
Geochim. Cosmochim. Acta 67, A240.

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