Abstracts 2004

Washington University 

Abstracts of presentations from our group at various scientific conferences in 2004. All contributions are downloadable as PDF-files. For abstracts from other years, see the publications page.


35th Lunar and Planetary Science Conference (LPSC), Houston, March 15 - 19, 2004

Comparison study of presolar graphite separates KE3 and KFA1 from the murchison meteorite
S. Amari, E. Zinner, and R. S. Lewis

Coordinated isotopic and TEM studies of presolar graphites from Murchison
T. K. Croat, F. J. Stadermann, E. Zinner, and T. J. Bernatowicz

Isotopically primitive interplanetary dust particles of cometary origin: evidence from nitrogen isotopic compositions
C. Floss and F. J. Stadermann

Trace element systematics of Northwest Africa 011: a "eucritic" basalt from a non-eucrite parent body
C. Floss, L. A. Taylor, and P. Promprated

Focused ion beam recovery and analysis of interplanetary dust particles (IDPs) and stardust analogues
G. A. Graham, J. P. Bradley, M. Bernas, R. M. Stroud, Z. R. Dai, C. Floss, F. J. Stadermann, C. J. Snead, and A. J. Westphal

Aluminum-26 in submicrometer-sized presolar SiC grains
P. Hoppe, K. K. Marhas, R. Gallino, O. Straniero, S. Amari, and R. S. Lewis

Trace element distribution between phases of the D´Orbigny angrite
G. Kurat, M. E. Varela, E. Zinner, P. Hoppe, T. Ntaflos, and M. Nazarov

Radiogenic 129-xenon in silicate inclusions in the Campo del Cielo iron meteorite
A. Meshik , G. Kurat, O. Pravdivtseva, and C. M. Hohenberg

Discovery of presolar silicate grains in the Acfer 094 carbonaceous chondrite
A. N. Nguyen and E. Zinner

A first look at graphite grains from Orgueil: morphology, carbon, nitrogen and neon isotopic compositions of individual, chemically separated grains
O. Pravdivtseva, E. Zinner, A. P. Meshik, C. M. Hohenberg, and R. M. Walker

Forsterite and olivine in Sahara-97210 (LL3.2) and chainpur (LL3.4) chondrules: compositional evolution and the influence of melting
A. Ruzicka and C. Floss

Extinct technetium in presolar grains
M. R. Savina, A. M. Davis, C. E. Tripa, M. J. Pellin, R. Gallino, R. S. Lewis, and S. Amari

NanoSIMS determination of carbon and oxygen isotopic compositions of presolar graphites from the Murchison meteorite
F. J. Stadermann, T. K. Croat, and T. Bernatowicz

Revised global accretion rates of micrometeorites in the last glacial period
T. Yada, T. Nakamura, N. Takaoka, T. Noguchi, K. Terada, H. Yano, T. Nakazawa, and H. Kojima

Apollo 16 mafic glass: geochemistry, provenance, and implications
R. A. Zeigler, R. L. Korotev, B. L. Jolliff, L. A. Haskin, and C. Floss

Oxygen and magnesium isotopic ratios of presolar spinel grains
E. Zinner, L. R. Nittler, P. Hoppe, R. Gallino, and R. S. Lewis

MetSoc

Amari S., Zinner E., and Lewis R. S. (2004)
Isotopic study of presolar graphite in the KFC1 separate from the Murchison meteorite.
Meteorit. Planet. Sci. 39, A13.

Kurat G., Varela M. E., Zinner E., and Engle A. (2004)
Condensation origin model for chondrules.
Meteorit. Planet. Sci. 39, A57.

Nguyen A. N. and Zinner E. (2004)
Survey of presolar silicates in primitive chondrites.
Meteorit. Planet. Sci. 39, A77.

Taylor L. A., Patchen A., Floss C., and Taylor D. (2004)
An unusual meteorite clast in lunar regolith breccia PCA 02-007.
Meteorit. Planet. Sci. 39, A105.

Chondrites and the Protoplanetary Disk

Floss C., Nazarov M. A., and Taylor L. A. (2004)
Rhönite-bearing inclusions E201 and E202 from Efremovka: constraints from trace element measurements.
In Chondrites and the Protoplanetary Disk, Abstract #9010, Lunar and Planetary Institute.

Gilmour J. D., Pravdivtseva O. V., Busfield A., and Hohenberg C. M. (2004)
I-Xe and the chronology of the early solar system.
In Chondrites and the Protoplanetary Disk, Abstract #9054, Lunar and Planetary Institute.

Hohenberg C. M., Meshik A. P., and Pravdivtseva O. V. (2004)
Apparent I-Xe cooling rates of chondrules compared with silicates from the Colomera iron meteorite.
In Chondrites and the Protoplanetary Disk, Abstract #9102, Lunar and Planetary Institute.

Kita N. T., Huss G. R., Tachibana S., Amelin Y., Zinner E., Nyquist L. E., and Hutcheon I. D. (2004)
Constraints on the origin of chondrules and CAIs from short-lived and long-lived radionuclides.
In Chondrites and the Protoplanetary Disk, Abstract #9064, Lunar and Planetary Institute.

Meshik A. P., Pravdivtseva O. V., Hohenberg C. M., and Amelin Y. (2004)
The iodine-xenon system in outer and inner portions of chondrules from the unnamed Antarctic LL3 chondrite.
In Chondrites and the Protoplanetary Disk, Abstract #9080, Lunar and Planetary Institute.

Pravdivtseva O. V., Meshik A. P., and Hohenberg C. M. (2004)
The I-Xe record on long equilibration in chondrules from the unnamed Antarctic meteorite L3/LL3.
In Chondrites and the Protoplanetary Disk, Abstract #9069, Lunar and Planetary Institute.

Stadermann F. J. and Floss C. (2004)
Discovery of presolar corundum (and SiC?) in an interplanetary dust particle.
In Chondrites and the Protoplanetary Disk, Abstract #9045, Lunar and Planetary Institute.

Tielens X., Waters R., and Bernatowicz T. (2004)
The composition, origin and evolution of dust in circumstellar and interstellar environments.
In Chondrites and the Protoplanetary Disk, Abstract #9118, Lunar and Planetary Institute.

Yada T., Stadermann F. J., Floss C., Zinner E., and Olinger C. T. (2004)
First presolar silicate discovered in an Antarctic micrometeorite.
In Chondrites and the Protoplanetary Disk, Abstract #9056, Lunar and Planetary Institute.

Other

Cole A. L., Boyd R. N., Davis M. E., Thompson L. G., Davis A. M., Lewis R. s., Amari S., and Zinner E. (2004)
The search for supernovae signatures in an ice core.
Nuclei in the Cosmos VIII, Book of Abstracts and Papers, 107.

Herwig F., Amari S., Lugaro M., and Zinner E. (2004)
Could SiC A+B grains have originated in a post-AGB thermal pulse?
Planetary Nebulae: Their Evolution and Role in the Universe, PASP Conf. Ser., IAU Symp. 209, 311-312.

Nittler L. R., Gallino R., Lugaro M., and Zinner E. (2004)
Si and C isotopes in presolar silicon carbide grains from AGB stars.
In Nuclei in the Cosmos VIII, pp. 54.

Savina M. R., Pellin M. J., Tripa C. E., Davis A. M., Lewis R. S., and Amari S. (2004)
Excess p-process molybdenum and ruthenium in a presolar SiC grain.
Nuclei in the Cosmos VIII, submitted.

Zinner E. (2004)
New results of presolar grain studies and constraints on nucleosynthesis and stellar evolution.
In Nuclei in the Cosmos VIII, pp. 134.

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