Mathematics – Logic
Scientific paper
Jun 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008em%26p..102..461r&link_type=abstract
Earth, Moon, and Planets, Volume 102, Issue 1-4, pp. 461-471
Mathematics
Logic
1
Aqueous Alteration, Ci Composition, Comet Nucleus, Comet Dust, Chemical Abundances, Differential Ablation, Interplanetary Dust Particles, Halley, Main Meteor Component, Meteoroids, Minerals, Leonids, Perseids, Solar Abundances, Wild 2
Scientific paper
Bulk compositions of aggregate meteoroids made of the originally accreted dust with its highly varied in mineral content and chemistry and considerable grain size variations do not have a chondritic bulk composition. Deviations from CI element abundances reflect indigenous variations within and among comet nuclei. These unmodified meteoroids that are heterogeneous in all their properties are fundamentally different from meteoroids with a CI bulk composition that are fine-grained, equigranular materials and chemically and mineralogically homogeneous. Collection and data reduction bias exists but the compositions of individual fast meteors are entirely constrained by the measured main component meteor abundances.
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