Deuterium Enrichments in Cluster IDPs

Details Deuterium Enrichments in Cluster IDPs Deuterium Enrichments in Cluster IDPs

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..867m&link_type=abstract

Lunar and Planetary Science, volume 27, page 867

Physics

14

Anomalies: Isotopic, Comets, Interplanetary Dust Particles, Microprobes: Ion, Molecules: Organic

Scientific paper

Substantial enrichments in D/H, of up to +2,700 per mil, have been previously observed in roughly 1/3 of chondritic IDPs. Often D-rich IDPs are marked by significant isotopic variations between different subfragments. The most extreme example of this isotopic heterogeneity is the IDP Butterfly, in which delta D varies between -200 and +2700 per mil. Ion imaging of one fragment from Butterfly found the D highly concentrated relative to the H, with an inferred dD of at least +9,000 per mil. Recent measurements of an unusual 'cluster' IDP (Dragonfly) dramatically surpass these results, with delta D ranging up to ~ +50,000 per mil. _

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