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Solar Wind Record on the Moon: Deciphering Presolar from Planetary Nitrogen
Abstract
Ion microprobe analyses show that solar wind nitrogen associated with solar wind hydrogen implanted in the first tens of nanometers of lunar regolith grains is depleted in 15 N by at least 24% relative to terrestrial atmosphere, whereas a nonsolar component associated with deuterium-rich hydrogen, detected in silicon-bearing coatings at the surface of some ilmenite grains, is enriched in 15 N. Systematic enrichment of 15 N in terrestrial planets and bulk meteorites relative to the protosolar gas cannot be explained by isotopic fractionation in nebular or planetary environments but requires the contribution of 15 N-rich compounds to the total nitrogen in planetary materials. Most of these compounds are possibly of an interstellar origin and never equilibrated with the 15 N-depleted protosolar nebula.
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Cited by
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Treiman, A. H. (2005) · Geochemistry · doi:10.1016/j.chemer.2005.01.004 · Cited by 333
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Zeitler, K. (2006) · Organic Letters · doi:10.1021/ol052826h · Cited by 288
Marty, B. (2006) · Reviews in Mineralogy and Geochemistry · doi:10.2138/rmg.2006.62.18 · Cited by 88
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Metadata
- Authors
- Hashizume, K., Chaussidon, M., Marty, B., & Robert, F.
- Venue
- Science
- Published
- 2000-11-10
- Volume
- 290
- Issue
- 5494
- Pages
- 1142-1145
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2031911279
- Cited by
- 178
- References
- 0
- FWCI
- 8.15
- Type
- journal article
- Language
- en
- Open access
- closed
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- Hashizume, K., Chaussidon, M., Marty, B., & Robert, F. (2000). Solar Wind Record on the Moon: Deciphering Presolar from Planetary Nitrogen. Science. https://doi.org/10.1126/science.290.5494.1142
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