Anomalous NE enrichments in tektites

Details Anomalous NE enrichments in tektites Anomalous NE enrichments in tektites

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991metic..26..217m&link_type=abstract

Meteoritics (ISSN 0026-1114), vol. 26, Sept. 1991, p. 217-220.

Computer Science

11

Abundance, Isotopic Enrichment, Neon Isotopes, Rare Gases, Tektites, Argon Isotopes, Diffusion Coefficient, Silicon Oxides

Scientific paper

Noble gases and Ne isotopic compositions were measured in five tektites collected from three different strewn fields. The elemental abundance patterns of noble gases in all samples show anomalous Ne enrichments relative to air. Ne isotopic compositions in tektites are in good agreement with that of atmospheric Ne, suggesting that Ne has diffused in from the atmosphere. It is conceivable that the high relative Ne abundance is essentially an equilibrium effect (i.e., storage of Ne in vesicles rather than the glass itself, facilitated by the relatively high diffusion coefficient of Ne).

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