Abstracts 2000

Washington University 

Abstracts of presentations from our group at various scientific conferences in 2000. All contributions are downloadable as PDF-files. For abstracts from other years, see the publications page.


31st Lunar and Planetary Science Conference (LPSC), Houston

Presolar SiC of type Y: origin from low-metallicity asymptotic giant branch stars.
S. Amari, L. R. Nittler, E. Zinner, R. Gallino, M. Lugaro and R. S. Lewis

Presolar SiC of type A + B: grains of an enigmatic stellar origin.
S. Amari, L. R. Nittler, E. Zinner, and R. S. Lewis

Comparative morphology of pristine and chemical-dissolution presolar SiC from Murchison.
T. Bernatowicz, P. Swan, S. Messenger, R. Walker, and S. Amari.

LEW 86220: evidence for melt migration on the acapulcoite-lodranite parent body.
C. Floss

Heating of Renazzo matrix material: evidence for the presence of two distinct deuterium carriers.
C. Floss, T. Bernatowicz, T. Smolar, F. J. Stadermann, R. Walker

Re-examination of anomalous I-Xe ages: Orgueil and Murchison magnetites and Allegan feldspar.
C. M. Hohenberg, O. Pravdivtseva, and A. Meshik

Abundances of presolar grains in Renazzo and Axtell: implications for their thermal histories.
G. R.Huss, A. P. Meshik, and C. M.Hohenberg

Presolar Si3N4 and subtypes of SiC of type X from the Qingzhen (EH3) meteorite.
Y. Lin, S. Amari and O. Pravdivtseva

Isotopic and trace element compositions of two unusual type B inclusions from the Ningqiang carbonaceous chondrite.
Y. Lin , C. Floss, F. J. Stadermann, E. Zinner and M. Kimura

Release of implanted noble gases from metallic glass vitreloy during pyrolysis.
A. P. Meshik, C. M. Hohenberg, D. S. Burnett, and D. S. Woolum

Toward complete isotopic analysis of individual presolar silicon carbide grains: C, N, Si, Sr, Zr, Mo, and Ba in single grains of type X.
M. J. Pellin, W. Calaway, A. M. Davis, R. S. Lewis, S. Amari and R. N. Clayton

Zr and Mo isotopic constraints on the origins of unusual types of presolar SiC grains.
M. J. Pellin, A. M. Davis, W. F. Calaway, R. S. Lewis, R. N. Clayton and S. Amari

I-Xe record of cooling in k-feldspar inclusion from the Colomera (IIE) iron.
O. Pravdivtseva, A. Meshik, C. M. Hohenberg and G. J. Wasserburg

SIMS isotopic analysis of interplanetary dust from space-exposed aerogel.
F. J. Stadermann and C. Floss

Dar Al Gani 476 and Dar Al Gani 489, twin shergottites from Mars.
M. Wadhwa, R. C. F. Lentz, H. Y. McSween, Jr., and G. Crozaz

MetSoc 63, Chicago

Search for presolar silicates in Acfer 094.
S. Messenger and T. J. Bernatowicz

Sahara 99555: Trace element compositions and relationship to antarctic angrites.
C. Floss, G. Crozaz, and T. Mikouchi

Ultrarefractory-depleted REE patterns in a rhönite-bearing type b1 CAI from Efremovka.
C. Floss, M. A. Nazarov and L. A. Taylor

Presolar grains from novae.
S. Amari, X. Gao, L. R. Nittler, E. Zinner, J. José, M. Hernanz, and R. S. Lewis

Presolar grains in 2000: Where do we stand?
E. Zinner

Chemical and petrographic studies of molecular cloud materials preserved ininterplanetary dust.
L. P. Keller, S. Messenger, G. J. Flynn, C. Jacobsen, and S. Wirick

Group Publications Page

Home Page of the Laboratory for Space Sciences