22Ne-E(L) Measured in Individual KFC1 Graphite Grains from the Murchison Meteorite

Details 22Ne-E(L) Measured in Individual KFC1 Graphite Grains from the Murchison Meteorite 22Ne-E(L) Measured in Individual KFC1 Graphite Grains from the Murchison Meteorite

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..657k&link_type=abstract

Lunar and Planetary Science, volume 27, page 657

Computer Science

8

Gases: Rare/Noble, Grains: Interstellar, Graphite, Neon: E, Nucleosynthesis

Scientific paper

We have analyzed 46 individual graphite grains from Murchison KFC1 (2.15-2.20 g/cm^3) first by ion microprobe to determine C and N isotopic compositions and then by laser gas-extraction to determine He and Ne compositions. This work is part of our ongoing investigation of noble gas compositions in individual SiC and graphite grains from the Murchison meteorite. Each of the measured grains was inferred to be circumstellar (CS), based on isotopic anomalies in at least one element. Three of the 46 grains contained 22Ne-E(L) in measurable quantities.

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