Nitrogen speciation in a N-15-enriched interplanetary dust particle

Details Nitrogen speciation in a N-15-enriched interplanetary dust particle Nitrogen speciation in a N-15-enriched interplanetary dust particle

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..707k&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 707.

Physics

7

Nitrogen, Interplanetary Dust, Mineralogy, Petrography, Electron Spectroscopy, Carbonaceous Chondrites

Scientific paper

Large N-15 excesses have been measured in individual interplanetary dust particles (IDPs); TEM, in combination with spectroscopic measurements of the same IDPs, shows N concentrations within the carbonaceous material, and much of this is in organic form. The isotopic signature suggests that formation of this N-bearing carbonaceous material was in a cold, presolar molecular cloud, and it is surmised that the solid material grain embedded in the N-15-rich carbonaceous matter could be of presolar origin.

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