Silicon- and Calcium-Isotopic Compositions of Presolar Silicon Nitride Grains from the Indarch Enstatite Chondrite

Details Silicon- and Calcium-Isotopic Compositions of Presolar Silicon Nitride Grains from the Indarch Enstatite Chondrite Silicon- and Calcium-Isotopic Compositions of Presolar Silicon Nitride Grains from the Indarch Enstatite Chondrite

Mar 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001lpi....32.1188b&link_type=abstract

32nd Annual Lunar and Planetary Science Conference, March 12-16, 2001, Houston, Texas, abstract no.1188

Computer Science

5

Scientific paper

Presolar Si3N4 grains have 44Ca/40Ca ratios compatible with solar and
there is no apparent evidence for the presence of now extinct 44Ti. One
grain shows a clear excess in 42Ca. This, however, is not in conflict
with the proposed SN origin.

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