Nitrogen isotopic composition in Muong Nong tektites

Details Nitrogen isotopic composition in Muong Nong tektites Nitrogen isotopic composition in Muong Nong tektites

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..993m&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 993.

Physics

Nitrogen Isotopes, Tektites, Rare Gases, Sediments, Silicon Dioxide

Scientific paper

Nitrogen and noble gases have been analyzed in two samples of Muong Nong tektites. The N contents are 0.5 and 1.34 ppm with delta-N-15 of 8 and 17 percent, respectively. Except for radiogenic Ar-40, all noble gas isotopic ratios are atmospheric. Elemental ratios show clear enrichment of He and Ne, while the heavier noble gases are normal. Higher-than-air-like N/Ar-36 values, together with the positive delta-N-15 values clearly show that most of the N in Muong Nong tektites is from the source material and of sedimentary origin.

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